• KOYO Inner Rings for Needle Roller Bearings, Metric (JR, IM, JRZ)
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KOYO Inner Rings for Needle Roller Bearings, Metric (JR, IM, JRZ)

KOYO Inner Rings for Needle Roller Bearings, Metric (JR, IM, JRZ)

Metric inner rings (JR, IM, JR..JS1, JRZ..JS1) for drawn cup and machined ring needle roller bearings, used where the shaft cannot be hardened and ground as a raceway.

Key features

  • Hardened and ground raceway on the inner ring
  • JR, IM, JR..JS1 and JRZ..JS1 types
  • For drawn cup and machined ring needle bearings
  • Bore d 5 mm to over 100 mm

Specifications

Product type Needle bearing inner ring
Series JR, IM, JR..JS1, JRZ..JS1
F Raceway (outside) diameter
Source KOYO Needle Roller Bearings catalogue, p. B-2-28 to B-2-37, B-8-12 to B-8-21
JR5x8x8JS1 d: 5 mm | F: 8 mm | B: 8 mm | r min: 0.3 mm | Mass: 0.002 kg
JR5x8x12 d: 5 mm | F: 8 mm | B: 12 mm | r min: 0.3 mm | Mass: 0.003 kg
JR5x8x16 d: 5 mm | F: 8 mm | B: 16 mm | r min: 0.3 mm | Mass: 0.004 kg
JR6x9x8JS1 d: 6 mm | F: 9 mm | B: 8 mm | r min: 0.3 mm | Mass: 0.002 kg
JR6x9x12 d: 6 mm | F: 9 mm | B: 12 mm | r min: 0.3 mm | Mass: 0.003 kg
JR6x9x16 d: 6 mm | F: 9 mm | B: 16 mm | r min: 0.3 mm | Mass: 0.004 kg
JR6x10x10 d: 6 mm | F: 10 mm | B: 10 mm | r min: 0.3 mm | Mass: 0.004 kg
JR6x10x10JS1 d: 6 mm | F: 10 mm | B: 10 mm | r min: 0.3 mm | Mass: 0.004 kg
JRZ6x10x12JS1 d: 6 mm | F: 10 mm | B: 12 mm | r min: 0.3 mm | Mass: 0.005 kg
JR7x10x10,5 d: 7 mm | F: 10 mm | B: 10.5 mm | r min: 0.3 mm | Mass: 0.003 kg
JR7x10x12 d: 7 mm | F: 10 mm | B: 12 mm | r min: 0.3 mm | Mass: 0.004 kg
JR7x10x16 d: 7 mm | F: 10 mm | B: 16 mm | r min: 0.3 mm | Mass: 0.005 kg
JR8x12x10 d: 8 mm | F: 12 mm | B: 10 mm | r min: 0.3 mm | Mass: 0.005 kg
JR8x12x10JS1 d: 8 mm | F: 12 mm | B: 10 mm | r min: 0.3 mm | Mass: 0.005 kg
JR8x12x10,5 d: 8 mm | F: 12 mm | B: 10.5 mm | r min: 0.3 mm | Mass: 0.005 kg
JRZ8xl2x12JS1 d: 8 mm | F: 12 mm | B: 12 mm | r min: 0.3 mm | Mass: 0.006 kg
JR8x12x12,5 d: 8 mm | F: 12 mm | B: 12.5 mm | r min: 0.3 mm | Mass: 0.006 kg
IM 8 12 16 P d: 8 mm | F: 12 mm | B: 16 mm | r min: 0.3 mm | Mass: 0.007 kg
JR9x12x12 d: 9 mm | F: 12 mm | B: 12 mm | r min: 0.3 mm | Mass: 0.005 kg
JR9x12x16 d: 9 mm | F: 12 mm | B: 16 mm | r min: 0.3 mm | Mass: 0.006 kg
JR10x13x12,5 d: 10 mm | F: 13 mm | B: 12.5 mm | r min: 0.3 mm | Mass: 0.005 kg
JR10x14x11JS1 d: 10 mm | F: 14 mm | B: 11 mm | r min: 0.3 mm | Mass: 0.007 kg
JR10x14x12 d: 10 mm | F: 14 mm | B: 12 mm | r min: 0.3 mm | Mass: 0.007 kg
JR10x14x12JS1 d: 10 mm | F: 14 mm | B: 12 mm | r min: 0.3 mm | Mass: 0.007 kg
JR10x14x13 d: 10 mm | F: 14 mm | B: 13 mm | r min: 0.3 mm | Mass: 0.007 kg
JRZ10x14x14JS1 d: 10 mm | F: 14 mm | B: 14 mm | r min: 0.3 mm | Mass: 0.008 kg
JR10x14x16 d: 10 mm | F: 14 mm | B: 16 mm | r min: 0.3 mm | Mass: 0.009 kg
JR10x14x20 d: 10 mm | F: 14 mm | B: 20 mm | r min: 0.3 mm | Mass: 0.012 kg
JR12x15x12,5 d: 12 mm | F: 15 mm | B: 12.5 mm | r min: 0.3 mm | Mass: 0.006 kg
JR12x15x16 d: 12 mm | F: 15 mm | B: 16 mm | r min: 0.3 mm | Mass: 0.008 kg
JR12x15x16,5 d: 12 mm | F: 15 mm | B: 16.5 mm | r min: 0.3 mm | Mass: 0.008 kg
JR12x15x18,5 d: 12 mm | F: 15 mm | B: 18.5 mm | r min: 0.3 mm | Mass: 0.009 kg
IM 12 15 22,4 P d: 12 mm | F: 15 mm | B: 22.4 mm | r min: 0.2 mm | Mass: 0.011 kg
JR12x15x22,5 d: 12 mm | F: 15 mm | B: 22.5 mm | r min: 0.3 mm | Mass: 0.011 kg
JR12x16x12 d: 12 mm | F: 16 mm | B: 12 mm | r min: 0.3 mm | Mass: 0.008 kg
JR12x16x12JS1 d: 12 mm | F: 16 mm | B: 12 mm | r min: 0.3 mm | Mass: 0.008 kg
JR12x16x13 d: 12 mm | F: 16 mm | B: 13 mm | r min: 0.3 mm | Mass: 0.008 kg
JRZ12x16x14JS1 d: 12 mm | F: 16 mm | B: 14 mm | r min: 0.3 mm | Mass: 0.010 kg
JR12x16x16 d: 12 mm | F: 16 mm | B: 16 mm | r min: 0.3 mm | Mass: 0.011 kg
JR12x16x20 d: 12 mm | F: 16 mm | B: 20 mm | r min: 0.3 mm | Mass: 0.014 kg
JR12x16x22 d: 12 mm | F: 16 mm | B: 22 mm | r min: 0.3 mm | Mass: 0.015 kg
IM 13 18 16 P d: 13 mm | F: 18 mm | B: 16 mm | r min: 0.35 mm | Mass: 0.015 kg
JR14x17x17 d: 14 mm | F: 17 mm | B: 17 mm | r min: 0.3 mm | Mass: 0.009 kg
JR15x18x16,5 d: 15 mm | F: 18 mm | B: 16.5 mm | r min: 0.3 mm | Mass: 0.010 kg
JR15x19x16 d: 15 mm | F: 19 mm | B: 16 mm | r min: 0.3 mm | Mass: 0.013 kg
JR15x19x20 d: 15 mm | F: 19 mm | B: 20 mm | r min: 0.3 mm | Mass: 0.017 kg
JR15x20x12 d: 15 mm | F: 20 mm | B: 12 mm | r min: 0.3 mm | Mass: 0.012 kg
JR15x20x12JS1 d: 15 mm | F: 20 mm | B: 12 mm | r min: 0.3 mm | Mass: 0.012 kg
JR15x20x13 d: 15 mm | F: 20 mm | B: 13 mm | r min: 0.3 mm | Mass: 0.014 kg
JRZ15x20x14JS1 d: 15 mm | F: 20 mm | B: 14 mm | r min: 0.3 mm | Mass: 0.015 kg
JR15x20x16 d: 15 mm | F: 20 mm | B: 16 mm | r min: 0.3 mm | Mass: 0.017 kg
IM 15 20 20 P d: 15 mm | F: 20 mm | B: 20 mm | r min: 0.35 mm | Mass: 0.021 kg
JR15x20x23 d: 15 mm | F: 20 mm | B: 23 mm | r min: 0.3 mm | Mass: 0.025 kg
JR15x20x26 d: 15 mm | F: 20 mm | B: 26 mm | r min: 0.3 mm | Mass: 0.028 kg
JR17x20x16,5 d: 17 mm | F: 20 mm | B: 16.5 mm | r min: 0.3 mm | Mass: 0.011 kg
JR17x20x20 d: 17 mm | F: 20 mm | B: 20 mm | r min: 0.3 mm | Mass: 0.014 kg
JR17x20x20,5 d: 17 mm | F: 20 mm | B: 20.5 mm | r min: 0.3 mm | Mass: 0.014 kg
JR17x20x30,5 d: 17 mm | F: 20 mm | B: 30.5 mm | r min: 0.3 mm | Mass: 0.021 kg
JR17x21x16 d: 17 mm | F: 21 mm | B: 16 mm | r min: 0.3 mm | Mass: 0.015 kg
JR17x21x20 d: 17 mm | F: 21 mm | B: 20 mm | r min: 0.3 mm | Mass: 0.019 kg
JR17x22x13 d: 17 mm | F: 22 mm | B: 13 mm | r min: 0.3 mm | Mass: 0.015 kg
IM 4903 d: 17 mm | F: 22 mm | B: 13 mm | r min: 0.35 mm | Mass: 0.015 kg
JR17x22x16 d: 17 mm | F: 22 mm | B: 16 mm | r min: 0.3 mm | Mass: 0.019 kg
JR17x22x16JS1 d: 17 mm | F: 22 mm | B: 16 mm | r min: 0.3 mm | Mass: 0.019 kg
JRZ17x22x16JS1 d: 17 mm | F: 22 mm | B: 16 mm | r min: 0.3 mm | Mass: 0.019 kg
IM 17 22 20 P d: 17 mm | F: 22 mm | B: 20 mm | r min: 0.35 mm | Mass: 0.023 kg
JR17x22x23 d: 17 mm | F: 22 mm | B: 23 mm | r min: 0.3 mm | Mass: 0.028 kg
JR17x22x26 d: 17 mm | F: 22 mm | B: 26 mm | r min: 0.3 mm | Mass: 0.031 kg
JR17x22x32 d: 17 mm | F: 22 mm | B: 32 mm | r min: 0.3 mm | Mass: 0.038 kg
JR20x24x16 d: 20 mm | F: 24 mm | B: 16 mm | r min: 0.3 mm | Mass: 0.018 kg
JR20x24x20 d: 20 mm | F: 24 mm | B: 20 mm | r min: 0.3 mm | Mass: 0.022 kg
JR20x25x16 d: 20 mm | F: 25 mm | B: 16 mm | r min: 0.3 mm | Mass: 0.022 kg
JR20x25x16JS1 d: 20 mm | F: 25 mm | B: 16 mm | r min: 0.3 mm | Mass: 0.022 kg
JR20x25x17 d: 20 mm | F: 25 mm | B: 17 mm | r min: 0.3 mm | Mass: 0.023 kg
JRZ20x25x18JS1 d: 20 mm | F: 25 mm | B: 18 mm | r min: 0.3 mm | Mass: 0.025 kg
JR20x25x20 d: 20 mm | F: 25 mm | B: 20 mm | r min: 0.3 mm | Mass: 0.028 kg
JR20x25x20,5 d: 20 mm | F: 25 mm | B: 20.5 mm | r min: 0.3 mm | Mass: 0.029 kg
JR20x25x26 d: 20 mm | F: 25 mm | B: 26 mm | r min: 0.3 mm | Mass: 0.036 kg
JR20x25x26,5 d: 20 mm | F: 25 mm | B: 26.5 mm | r min: 0.3 mm | Mass: 0.037 kg
JR20x25x30 d: 20 mm | F: 25 mm | B: 30 mm | r min: 0.3 mm | Mass: 0.042 kg
JR20x25x32 d: 20 mm | F: 25 mm | B: 32 mm | r min: 0.3 mm | Mass: 0.044 kg
JR20x25x38,5 d: 20 mm | F: 25 mm | B: 38.5 mm | r min: 0.3 mm | Mass: 0.054 kg
JR22x26x16 d: 22 mm | F: 26 mm | B: 16 mm | r min: 0.3 mm | Mass: 0.019 kg
JR22x26x20 d: 22 mm | F: 26 mm | B: 20 mm | r min: 0.3 mm | Mass: 0.023 kg
JR22x28x17 d: 22 mm | F: 28 mm | B: 17 mm | r min: 0.3 mm | Mass: 0.030 kg
JR22x28x20,5 d: 22 mm | F: 28 mm | B: 20.5 mm | r min: 0.3 mm | Mass: 0.038 kg
JR22x28x30 d: 22 mm | F: 28 mm | B: 30 mm | r min: 0.3 mm | Mass: 0.056 kg
IM 23 28 20 P d: 23 mm | F: 28 mm | B: 20 mm | r min: 0.35 mm | Mass: 0.030 kg
JR25x29x20 d: 25 mm | F: 29 mm | B: 20 mm | r min: 0.3 mm | Mass: 0.027 kg
JR25x29x30 d: 25 mm | F: 29 mm | B: 30 mm | r min: 0.3 mm | Mass: 0.040 kg
JR25x30x16 d: 25 mm | F: 30 mm | B: 16 mm | r min: 0.3 mm | Mass: 0.027 kg
JR25x30x16JS1 d: 25 mm | F: 30 mm | B: 16 mm | r min: 0.3 mm | Mass: 0.027 kg
JR25x30x17 d: 25 mm | F: 30 mm | B: 17 mm | r min: 0.3 mm | Mass: 0.028 kg
JRZ25x30x18JS1 d: 25 mm | F: 30 mm | B: 18 mm | r min: 0.3 mm | Mass: 0.031 kg
JR25x30x20 d: 25 mm | F: 30 mm | B: 20 mm | r min: 0.3 mm | Mass: 0.034 kg
JR25x30x20,5 d: 25 mm | F: 30 mm | B: 20.5 mm | r min: 0.3 mm | Mass: 0.035 kg
JR25x30x26 d: 25 mm | F: 30 mm | B: 26 mm | r min: 0.3 mm | Mass: 0.044 kg
JR25x30x26,5 d: 25 mm | F: 30 mm | B: 26.5 mm | r min: 0.3 mm | Mass: 0.045 kg
JR25x30x30 d: 25 mm | F: 30 mm | B: 30 mm | r min: 0.3 mm | Mass: 0.051 kg
JR25x30x32 d: 25 mm | F: 30 mm | B: 32 mm | r min: 0.3 mm | Mass: 0.054 kg
JR25x30x38,5 d: 25 mm | F: 30 mm | B: 38.5 mm | r min: 0.3 mm | Mass: 0.066 kg
JR28x32x17 d: 28 mm | F: 32 mm | B: 17 mm | r min: 0.3 mm | Mass: 0.028 kg
JR28x32x20 d: 28 mm | F: 32 mm | B: 20 mm | r min: 0.3 mm | Mass: 0.030 kg
JR28x32x30 d: 28 mm | F: 32 mm | B: 30 mm | r min: 0.3 mm | Mass: 0.044 kg
JR30x35x16 d: 30 mm | F: 35 mm | B: 16 mm | r min: 0.3 mm | Mass: 0.031 kg
JR30x35x17 d: 30 mm | F: 35 mm | B: 17 mm | r min: 0.3 mm | Mass: 0.033 kg
IM 4906 d: 30 mm | F: 35 mm | B: 17 mm | r min: 0.35 mm | Mass: 0.033 kg
JRZ30x35x18JS1 d: 30 mm | F: 35 mm | B: 18 mm | r min: 0.3 mm | Mass: 0.036 kg
JR30x35x20 d: 30 mm | F: 35 mm | B: 20 mm | r min: 0.3 mm | Mass: 0.039 kg
JRZ30x35x20JS1 d: 30 mm | F: 35 mm | B: 20 mm | r min: 0.3 mm | Mass: 0.039 kg
JR30x35x20,5 d: 30 mm | F: 35 mm | B: 20.5 mm | r min: 0.3 mm | Mass: 0.040 kg
JR30x35x26 d: 30 mm | F: 35 mm | B: 26 mm | r min: 0.3 mm | Mass: 0.054 kg
JR30x35x30 d: 30 mm | F: 35 mm | B: 30 mm | r min: 0.3 mm | Mass: 0.057 kg
JR30x35x32 d: 30 mm | F: 35 mm | B: 32 mm | r min: 0.3 mm | Mass: 0.062 kg
JR30x38x20JS1 d: 30 mm | F: 38 mm | B: 20 mm | r min: 0.6 mm | Mass: 0.067 kg
JR32x37x20 d: 32 mm | F: 37 mm | B: 20 mm | r min: 0.3 mm | Mass: 0.043 kg
JR32x37x30 d: 32 mm | F: 37 mm | B: 30 mm | r min: 0.3 mm | Mass: 0.064 kg
JR32x40x20 d: 32 mm | F: 40 mm | B: 20 mm | r min: 0.6 mm | Mass: 0.069 kg
JR32x40x36 d: 32 mm | F: 40 mm | B: 36 mm | r min: 0.6 mm | Mass: 0.128 kg
JR35x40x17 d: 35 mm | F: 40 mm | B: 17 mm | r min: 0.3 mm | Mass: 0.040 kg
JR35x40x20 d: 35 mm | F: 40 mm | B: 20 mm | r min: 0.3 mm | Mass: 0.046 kg
JR35x40x20,5 d: 35 mm | F: 40 mm | B: 20.5 mm | r min: 0.3 mm | Mass: 0.049 kg
JR35x40x22 d: 35 mm | F: 40 mm | B: 22 mm | r min: 0.3 mm | Mass: 0.052 kg
JR35x40x30 d: 35 mm | F: 40 mm | B: 30 mm | r min: 0.3 mm | Mass: 0.071 kg
JR35x40x34 d: 35 mm | F: 40 mm | B: 34 mm | r min: 0.3 mm | Mass: 0.080 kg
JR35x40x40 d: 35 mm | F: 40 mm | B: 40 mm | r min: 0.3 mm | Mass: 0.094 kg
JR35x42x20 d: 35 mm | F: 42 mm | B: 20 mm | r min: 0.6 mm | Mass: 0.065 kg
JR35x42x20JS1 d: 35 mm | F: 42 mm | B: 20 mm | r min: 0.6 mm | Mass: 0.065 kg
JRZ35x42x23JS1 d: 35 mm | F: 42 mm | B: 23 mm | r min: 0.6 mm | Mass: 0.074 kg
JR35x42x36 d: 35 mm | F: 42 mm | B: 36 mm | r min: 0.6 mm | Mass: 0.122 kg
JR35x44x22 d: 35 mm | F: 44 mm | B: 22 mm | r min: 0.6 mm | Mass: 0.097 kg
IM 37 42 20 P d: 37 mm | F: 42 mm | B: 20 mm | r min: 0.35 mm | Mass: 0.046 kg
JR38x43x20 d: 38 mm | F: 43 mm | B: 20 mm | r min: 0.3 mm | Mass: 0.050 kg
JR38x43x30 d: 38 mm | F: 43 mm | B: 30 mm | r min: 0.3 mm | Mass: 0.075 kg
JR40x45x17 d: 40 mm | F: 45 mm | B: 17 mm | r min: 0.3 mm | Mass: 0.044 kg
JR40x45x20 d: 40 mm | F: 45 mm | B: 20 mm | r min: 0.3 mm | Mass: 0.052 kg
JR40x45x20,5 d: 40 mm | F: 45 mm | B: 20.5 mm | r min: 0.3 mm | Mass: 0.054 kg
IM 40 45 25 P d: 40 mm | F: 45 mm | B: 25 mm | r min: 0.35 mm | Mass: 0.062 kg
JR40x45x30 d: 40 mm | F: 45 mm | B: 30 mm | r min: 0.3 mm | Mass: 0.078 kg
JR40x45x34 d: 40 mm | F: 45 mm | B: 34 mm | r min: 0.3 mm | Mass: 0.089 kg
JR40x45x40 d: 40 mm | F: 45 mm | B: 40 mm | r min: 0.3 mm | Mass: 0.115 kg
JR40x48x22 d: 40 mm | F: 48 mm | B: 22 mm | r min: 0.6 mm | Mass: 0.094 kg
JRZ40x48x23JS1 d: 40 mm | F: 48 mm | B: 23 mm | r min: 0.6 mm | Mass: 0.100 kg
JR40x48x40 d: 40 mm | F: 48 mm | B: 40 mm | r min: 0.6 mm | Mass: 0.173 kg
JR40x50x20 d: 40 mm | F: 50 mm | B: 20 mm | r min: 1 mm | Mass: 0.110 kg
JR42x47x20 d: 42 mm | F: 47 mm | B: 20 mm | r min: 0.3 mm | Mass: 0.055 kg
JR42x47x30 d: 42 mm | F: 47 mm | B: 30 mm | r min: 0.3 mm | Mass: 0.083 kg
JR45x50x20 d: 45 mm | F: 50 mm | B: 20 mm | r min: 0.3 mm | Mass: 0.058 kg
JR45x50x25 d: 45 mm | F: 50 mm | B: 25 mm | r min: 0.6 mm | Mass: 0.073 kg
JR45x50x25,5 d: 45 mm | F: 50 mm | B: 25.5 mm | r min: 0.3 mm | Mass: 0.075 kg
JR45x50x35 d: 45 mm | F: 50 mm | B: 35 mm | r min: 0.6 mm | Mass: 0.103 kg
JR45x50x40 d: 45 mm | F: 50 mm | B: 40 mm | r min: 0.3 mm | Mass: 0.117 kg
JR45x52x22 d: 45 mm | F: 52 mm | B: 22 mm | r min: 0.6 mm | Mass: 0.090 kg
IM 4909 d: 45 mm | F: 52 mm | B: 22 mm | r min: 0.85 mm | Mass: 0.087 kg
JR45x52x23 d: 45 mm | F: 52 mm | B: 23 mm | r min: 0.6 mm | Mass: 0.096 kg
JRZ45x52x23JS1 d: 45 mm | F: 52 mm | B: 23 mm | r min: 0.6 mm | Mass: 0.096 kg
JR45x52x40 d: 45 mm | F: 52 mm | B: 40 mm | r min: 0.6 mm | Mass: 0.167 kg
JR45x55x20 d: 45 mm | F: 55 mm | B: 20 mm | r min: 1 mm | Mass: 0.133 kg
JR45x55x20JS1 d: 45 mm | F: 55 mm | B: 20 mm | r min: 1 mm | Mass: 0.133 kg
JR45x55x22 d: 45 mm | F: 55 mm | B: 22 mm | r min: 1 mm | Mass: 0.135 kg
JR45x55x40 d: 45 mm | F: 55 mm | B: 40 mm | r min: 1 mm | Mass: 0.247 kg
JR50x55x20 d: 50 mm | F: 55 mm | B: 20 mm | r min: 0.3 mm | Mass: 0.065 kg
JR50x55x25 d: 50 mm | F: 55 mm | B: 25 mm | r min: 0.6 mm | Mass: 0.081 kg
IM 50 55 35 P d: 50 mm | F: 55 mm | B: 35 mm | r min: 0.65 mm | Mass: 0.107 kg
JR50x55x35 d: 50 mm | F: 55 mm | B: 35 mm | r min: 0.6 mm | Mass: 0.113 kg
JR50x55x40 d: 50 mm | F: 55 mm | B: 40 mm | r min: 0.3 mm | Mass: 0.130 kg
JR50x58x22 d: 50 mm | F: 58 mm | B: 22 mm | r min: 0.6 mm | Mass: 0.117 kg
JRZ50x58x23JS1 d: 50 mm | F: 58 mm | B: 23 mm | r min: 0.6 mm | Mass: 0.122 kg
JR50x58x40 d: 50 mm | F: 58 mm | B: 40 mm | r min: 0.6 mm | Mass: 0.213 kg
JR50x60x20 d: 50 mm | F: 60 mm | B: 20 mm | r min: 1 mm | Mass: 0.155 kg
JR50x60x20JS1 d: 50 mm | F: 60 mm | B: 20 mm | r min: 1 mm | Mass: 0.155 kg
JR50x60x25 d: 50 mm | F: 60 mm | B: 25 mm | r min: 1 mm | Mass: 0.170 kg
JR50x60x40 d: 50 mm | F: 60 mm | B: 40 mm | r min: 1 mm | Mass: 0.310 kg
JR55x60x25 d: 55 mm | F: 60 mm | B: 25 mm | r min: 0.6 mm | Mass: 0.088 kg
IM 55 60 35 P d: 55 mm | F: 60 mm | B: 35 mm | r min: 0.65 mm | Mass: 0.118 kg
JR55x60x35 d: 55 mm | F: 60 mm | B: 35 mm | r min: 0.6 mm | Mass: 0.124 kg
JR55x63x25 d: 55 mm | F: 63 mm | B: 25 mm | r min: 1 mm | Mass: 0.141 kg
JR55x63x45 d: 55 mm | F: 63 mm | B: 45 mm | r min: 1 mm | Mass: 0.286 kg
JR55x65x30 d: 55 mm | F: 65 mm | B: 30 mm | r min: 1 mm | Mass: 0.222 kg
JR55x65x60 d: 55 mm | F: 65 mm | B: 60 mm | r min: 1 mm | Mass: 0.444 kg
IM 58 65 25 P d: 58 mm | F: 65 mm | B: 25 mm | r min: 0.85 mm | Mass: 0.125 kg
JR60x68x25 d: 60 mm | F: 68 mm | B: 25 mm | r min: 0.6 mm | Mass: 0.153 kg
JR60x68x35 d: 60 mm | F: 68 mm | B: 35 mm | r min: 0.6 mm | Mass: 0.220 kg
JR60x68x45 d: 60 mm | F: 68 mm | B: 45 mm | r min: 1 mm | Mass: 0.284 kg
JR60x70x25 d: 60 mm | F: 70 mm | B: 25 mm | r min: 1 mm | Mass: 0.200 kg
JR60x70x30 d: 60 mm | F: 70 mm | B: 30 mm | r min: 1 mm | Mass: 0.240 kg
IM 60 70 35 P d: 60 mm | F: 70 mm | B: 35 mm | r min: 0.85 mm | Mass: 0.280 kg
JR60x70x60 d: 60 mm | F: 70 mm | B: 60 mm | r min: 1 mm | Mass: 0.480 kg
JR65x72x25 d: 65 mm | F: 72 mm | B: 25 mm | r min: 1 mm | Mass: 0.143 kg
JR65x72x45 d: 65 mm | F: 72 mm | B: 45 mm | r min: 1 mm | Mass: 0.266 kg
JR65x73x25 d: 65 mm | F: 73 mm | B: 25 mm | r min: 0.6 mm | Mass: 0.170 kg
JR65x73x35 d: 65 mm | F: 73 mm | B: 35 mm | r min: 0.6 mm | Mass: 0.240 kg
JR65x75x28 d: 65 mm | F: 75 mm | B: 28 mm | r min: 1 mm | Mass: 0.240 kg
JR65x75x30 d: 65 mm | F: 75 mm | B: 30 mm | r min: 1 mm | Mass: 0.260 kg
JR65x75x60 d: 65 mm | F: 75 mm | B: 60 mm | r min: 1 mm | Mass: 0.520 kg
JR70x80x25 d: 70 mm | F: 80 mm | B: 25 mm | r min: 1 mm | Mass: 0.230 kg
JR70x80x30 d: 70 mm | F: 80 mm | B: 30 mm | r min: 1 mm | Mass: 0.270 kg
JR70x80x35 d: 70 mm | F: 80 mm | B: 35 mm | r min: 1 mm | Mass: 0.320 kg
JR70x80x54 d: 70 mm | F: 80 mm | B: 54 mm | r min: 1 mm | Mass: 0.500 kg
JR70x80x60 d: 70 mm | F: 80 mm | B: 60 mm | r min: 1 mm | Mass: 0.556 kg
JR75x85x25 d: 75 mm | F: 85 mm | B: 25 mm | r min: 1 mm | Mass: 0.240 kg
JR75x85x30 d: 75 mm | F: 85 mm | B: 30 mm | r min: 1 mm | Mass: 0.289 kg
JR75x85x35 d: 75 mm | F: 85 mm | B: 35 mm | r min: 1 mm | Mass: 0.338 kg
JR75x85x54 d: 75 mm | F: 85 mm | B: 54 mm | r min: 1 mm | Mass: 0.530 kg
JR80x90x25 d: 80 mm | F: 90 mm | B: 25 mm | r min: 1 mm | Mass: 0.260 kg
JR80x90x30 d: 80 mm | F: 90 mm | B: 30 mm | r min: 1 mm | Mass: 0.306 kg
JR80x90x35 d: 80 mm | F: 90 mm | B: 35 mm | r min: 1 mm | Mass: 0.355 kg
JR80x90x54 d: 80 mm | F: 90 mm | B: 54 mm | r min: 1 mm | Mass: 0.565 kg
JR85x95x26 d: 85 mm | F: 95 mm | B: 26 mm | r min: 1 mm | Mass: 0.290 kg
JR85x95x30 d: 85 mm | F: 95 mm | B: 30 mm | r min: 1 mm | Mass: 0.334 kg
JR85x95x36 d: 85 mm | F: 95 mm | B: 36 mm | r min: 1 mm | Mass: 0.397 kg
JR85x100x35 d: 85 mm | F: 100 mm | B: 35 mm | r min: 1.1 mm | Mass: 0.595 kg
JR85x100x63 d: 85 mm | F: 100 mm | B: 63 mm | r min: 1.1 mm | Mass: 1.080 kg
JR90x100x26 d: 90 mm | F: 100 mm | B: 26 mm | r min: 1 mm | Mass: 0.300 kg
JR90x100x30 d: 90 mm | F: 100 mm | B: 30 mm | r min: 1 mm | Mass: 0.350 kg
JR90x100x36 d: 90 mm | F: 100 mm | B: 36 mm | r min: 1 mm | Mass: 0.422 kg
JR90x105x32 d: 90 mm | F: 105 mm | B: 32 mm | r min: 1.1 mm | Mass: 0.580 kg
JR90x105x35 d: 90 mm | F: 105 mm | B: 35 mm | r min: 1.1 mm | Mass: 0.624 kg
JR90x105x63 d: 90 mm | F: 105 mm | B: 63 mm | r min: 1.1 mm | Mass: 1.140 kg
JR95x105x26 d: 95 mm | F: 105 mm | B: 26 mm | r min: 1 mm | Mass: 0.310 kg
JR95x105x36 d: 95 mm | F: 105 mm | B: 36 mm | r min: 1 mm | Mass: 0.430 kg
JR95x110x35 d: 95 mm | F: 110 mm | B: 35 mm | r min: 1.1 mm | Mass: 0.653 kg
JR95x110x63 d: 95 mm | F: 110 mm | B: 63 mm | r min: 1.1 mm | Mass: 1.200 kg
JR100x110x30 d: 100 mm | F: 110 mm | B: 30 mm | r min: 1.1 mm | Mass: 0.384 kg
JR100x110x40 d: 100 mm | F: 110 mm | B: 40 mm | r min: 1.1 mm | Mass: 0.510 kg
JR100x115x40 d: 100 mm | F: 115 mm | B: 40 mm | r min: 1.1 mm | Mass: 0.790 kg
JR110x120x30 d: 110 mm | F: 120 mm | B: 30 mm | r min: 1 mm | Mass: 0.425 kg
JR110x125x40 d: 110 mm | F: 125 mm | B: 40 mm | r min: 1.1 mm | Mass: 0.870 kg
JR120x130x30 d: 120 mm | F: 130 mm | B: 30 mm | r min: 1 mm | Mass: 0.460 kg
JR120x135x45 d: 120 mm | F: 135 mm | B: 45 mm | r min: 1.1 mm | Mass: 1.060 kg
JR130x145x35 d: 130 mm | F: 145 mm | B: 35 mm | r min: 1.1 mm | Mass: 0.890 kg
JR130x150x50 d: 130 mm | F: 150 mm | B: 50 mm | r min: 1.5 mm | Mass: 1.730 kg
JR140x155x35 d: 140 mm | F: 155 mm | B: 35 mm | r min: 1.1 mm | Mass: 0.955 kg
JR140x160x50 d: 140 mm | F: 160 mm | B: 50 mm | r min: 1.5 mm | Mass: 1.860 kg
JR150x165x40 d: 150 mm | F: 165 mm | B: 40 mm | r min: 1.1 mm | Mass: 1.170 kg
JR160x175x40 d: 160 mm | F: 175 mm | B: 40 mm | r min: 1.1 mm | Mass: 1.240 kg
JR170x185x45 d: 170 mm | F: 185 mm | B: 45 mm | r min: 1.1 mm | Mass: 1.480 kg
JR180x195x45 d: 180 mm | F: 195 mm | B: 45 mm | r min: 1.1 mm | Mass: 1.560 kg
Needle Roller BearingsKOYO
238 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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KOYO Inner Rings for Needle Roller Bearings, Metric (JR, IM, JRZ)

Brand KOYO·Needle Roller Bearings

Available part numbers (238)

JR5x8x8JS1, JR5x8x12, JR5x8x16, JR6x9x8JS1, JR6x9x12, JR6x9x16, JR6x10x10, JR6x10x10JS1, JRZ6x10x12JS1, JR7x10x10,5 + 228 more — see full table ↓

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Product codes & specifications
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Product codeSpec
JR5x8x8JS1d: 5 mm | F: 8 mm | B: 8 mm | r min: 0.3 mm | Mass: 0.002 kg
JR5x8x12d: 5 mm | F: 8 mm | B: 12 mm | r min: 0.3 mm | Mass: 0.003 kg
JR5x8x16d: 5 mm | F: 8 mm | B: 16 mm | r min: 0.3 mm | Mass: 0.004 kg
JR6x9x8JS1d: 6 mm | F: 9 mm | B: 8 mm | r min: 0.3 mm | Mass: 0.002 kg
JR6x9x12d: 6 mm | F: 9 mm | B: 12 mm | r min: 0.3 mm | Mass: 0.003 kg
JR6x9x16d: 6 mm | F: 9 mm | B: 16 mm | r min: 0.3 mm | Mass: 0.004 kg
JR6x10x10d: 6 mm | F: 10 mm | B: 10 mm | r min: 0.3 mm | Mass: 0.004 kg
JR6x10x10JS1d: 6 mm | F: 10 mm | B: 10 mm | r min: 0.3 mm | Mass: 0.004 kg
JRZ6x10x12JS1d: 6 mm | F: 10 mm | B: 12 mm | r min: 0.3 mm | Mass: 0.005 kg
JR7x10x10,5d: 7 mm | F: 10 mm | B: 10.5 mm | r min: 0.3 mm | Mass: 0.003 kg
JR7x10x12d: 7 mm | F: 10 mm | B: 12 mm | r min: 0.3 mm | Mass: 0.004 kg
JR7x10x16d: 7 mm | F: 10 mm | B: 16 mm | r min: 0.3 mm | Mass: 0.005 kg
JR8x12x10d: 8 mm | F: 12 mm | B: 10 mm | r min: 0.3 mm | Mass: 0.005 kg
JR8x12x10JS1d: 8 mm | F: 12 mm | B: 10 mm | r min: 0.3 mm | Mass: 0.005 kg
JR8x12x10,5d: 8 mm | F: 12 mm | B: 10.5 mm | r min: 0.3 mm | Mass: 0.005 kg
JRZ8xl2x12JS1d: 8 mm | F: 12 mm | B: 12 mm | r min: 0.3 mm | Mass: 0.006 kg
JR8x12x12,5d: 8 mm | F: 12 mm | B: 12.5 mm | r min: 0.3 mm | Mass: 0.006 kg
IM 8 12 16 Pd: 8 mm | F: 12 mm | B: 16 mm | r min: 0.3 mm | Mass: 0.007 kg
JR9x12x12d: 9 mm | F: 12 mm | B: 12 mm | r min: 0.3 mm | Mass: 0.005 kg
JR9x12x16d: 9 mm | F: 12 mm | B: 16 mm | r min: 0.3 mm | Mass: 0.006 kg
JR10x13x12,5d: 10 mm | F: 13 mm | B: 12.5 mm | r min: 0.3 mm | Mass: 0.005 kg
JR10x14x11JS1d: 10 mm | F: 14 mm | B: 11 mm | r min: 0.3 mm | Mass: 0.007 kg
JR10x14x12d: 10 mm | F: 14 mm | B: 12 mm | r min: 0.3 mm | Mass: 0.007 kg
JR10x14x12JS1d: 10 mm | F: 14 mm | B: 12 mm | r min: 0.3 mm | Mass: 0.007 kg
JR10x14x13d: 10 mm | F: 14 mm | B: 13 mm | r min: 0.3 mm | Mass: 0.007 kg
JRZ10x14x14JS1d: 10 mm | F: 14 mm | B: 14 mm | r min: 0.3 mm | Mass: 0.008 kg
JR10x14x16d: 10 mm | F: 14 mm | B: 16 mm | r min: 0.3 mm | Mass: 0.009 kg
JR10x14x20d: 10 mm | F: 14 mm | B: 20 mm | r min: 0.3 mm | Mass: 0.012 kg
JR12x15x12,5d: 12 mm | F: 15 mm | B: 12.5 mm | r min: 0.3 mm | Mass: 0.006 kg
JR12x15x16d: 12 mm | F: 15 mm | B: 16 mm | r min: 0.3 mm | Mass: 0.008 kg
JR12x15x16,5d: 12 mm | F: 15 mm | B: 16.5 mm | r min: 0.3 mm | Mass: 0.008 kg
JR12x15x18,5d: 12 mm | F: 15 mm | B: 18.5 mm | r min: 0.3 mm | Mass: 0.009 kg
IM 12 15 22,4 Pd: 12 mm | F: 15 mm | B: 22.4 mm | r min: 0.2 mm | Mass: 0.011 kg
JR12x15x22,5d: 12 mm | F: 15 mm | B: 22.5 mm | r min: 0.3 mm | Mass: 0.011 kg
JR12x16x12d: 12 mm | F: 16 mm | B: 12 mm | r min: 0.3 mm | Mass: 0.008 kg
JR12x16x12JS1d: 12 mm | F: 16 mm | B: 12 mm | r min: 0.3 mm | Mass: 0.008 kg
JR12x16x13d: 12 mm | F: 16 mm | B: 13 mm | r min: 0.3 mm | Mass: 0.008 kg
JRZ12x16x14JS1d: 12 mm | F: 16 mm | B: 14 mm | r min: 0.3 mm | Mass: 0.010 kg
JR12x16x16d: 12 mm | F: 16 mm | B: 16 mm | r min: 0.3 mm | Mass: 0.011 kg
JR12x16x20d: 12 mm | F: 16 mm | B: 20 mm | r min: 0.3 mm | Mass: 0.014 kg
JR12x16x22d: 12 mm | F: 16 mm | B: 22 mm | r min: 0.3 mm | Mass: 0.015 kg
IM 13 18 16 Pd: 13 mm | F: 18 mm | B: 16 mm | r min: 0.35 mm | Mass: 0.015 kg
JR14x17x17d: 14 mm | F: 17 mm | B: 17 mm | r min: 0.3 mm | Mass: 0.009 kg
JR15x18x16,5d: 15 mm | F: 18 mm | B: 16.5 mm | r min: 0.3 mm | Mass: 0.010 kg
JR15x19x16d: 15 mm | F: 19 mm | B: 16 mm | r min: 0.3 mm | Mass: 0.013 kg
JR15x19x20d: 15 mm | F: 19 mm | B: 20 mm | r min: 0.3 mm | Mass: 0.017 kg
JR15x20x12d: 15 mm | F: 20 mm | B: 12 mm | r min: 0.3 mm | Mass: 0.012 kg
JR15x20x12JS1d: 15 mm | F: 20 mm | B: 12 mm | r min: 0.3 mm | Mass: 0.012 kg
JR15x20x13d: 15 mm | F: 20 mm | B: 13 mm | r min: 0.3 mm | Mass: 0.014 kg
JRZ15x20x14JS1d: 15 mm | F: 20 mm | B: 14 mm | r min: 0.3 mm | Mass: 0.015 kg
JR15x20x16d: 15 mm | F: 20 mm | B: 16 mm | r min: 0.3 mm | Mass: 0.017 kg
IM 15 20 20 Pd: 15 mm | F: 20 mm | B: 20 mm | r min: 0.35 mm | Mass: 0.021 kg
JR15x20x23d: 15 mm | F: 20 mm | B: 23 mm | r min: 0.3 mm | Mass: 0.025 kg
JR15x20x26d: 15 mm | F: 20 mm | B: 26 mm | r min: 0.3 mm | Mass: 0.028 kg
JR17x20x16,5d: 17 mm | F: 20 mm | B: 16.5 mm | r min: 0.3 mm | Mass: 0.011 kg
JR17x20x20d: 17 mm | F: 20 mm | B: 20 mm | r min: 0.3 mm | Mass: 0.014 kg
JR17x20x20,5d: 17 mm | F: 20 mm | B: 20.5 mm | r min: 0.3 mm | Mass: 0.014 kg
JR17x20x30,5d: 17 mm | F: 20 mm | B: 30.5 mm | r min: 0.3 mm | Mass: 0.021 kg
JR17x21x16d: 17 mm | F: 21 mm | B: 16 mm | r min: 0.3 mm | Mass: 0.015 kg
JR17x21x20d: 17 mm | F: 21 mm | B: 20 mm | r min: 0.3 mm | Mass: 0.019 kg
JR17x22x13d: 17 mm | F: 22 mm | B: 13 mm | r min: 0.3 mm | Mass: 0.015 kg
IM 4903d: 17 mm | F: 22 mm | B: 13 mm | r min: 0.35 mm | Mass: 0.015 kg
JR17x22x16d: 17 mm | F: 22 mm | B: 16 mm | r min: 0.3 mm | Mass: 0.019 kg
JR17x22x16JS1d: 17 mm | F: 22 mm | B: 16 mm | r min: 0.3 mm | Mass: 0.019 kg
JRZ17x22x16JS1d: 17 mm | F: 22 mm | B: 16 mm | r min: 0.3 mm | Mass: 0.019 kg
IM 17 22 20 Pd: 17 mm | F: 22 mm | B: 20 mm | r min: 0.35 mm | Mass: 0.023 kg
JR17x22x23d: 17 mm | F: 22 mm | B: 23 mm | r min: 0.3 mm | Mass: 0.028 kg
JR17x22x26d: 17 mm | F: 22 mm | B: 26 mm | r min: 0.3 mm | Mass: 0.031 kg
JR17x22x32d: 17 mm | F: 22 mm | B: 32 mm | r min: 0.3 mm | Mass: 0.038 kg
JR20x24x16d: 20 mm | F: 24 mm | B: 16 mm | r min: 0.3 mm | Mass: 0.018 kg
JR20x24x20d: 20 mm | F: 24 mm | B: 20 mm | r min: 0.3 mm | Mass: 0.022 kg
JR20x25x16d: 20 mm | F: 25 mm | B: 16 mm | r min: 0.3 mm | Mass: 0.022 kg
JR20x25x16JS1d: 20 mm | F: 25 mm | B: 16 mm | r min: 0.3 mm | Mass: 0.022 kg
JR20x25x17d: 20 mm | F: 25 mm | B: 17 mm | r min: 0.3 mm | Mass: 0.023 kg
JRZ20x25x18JS1d: 20 mm | F: 25 mm | B: 18 mm | r min: 0.3 mm | Mass: 0.025 kg
JR20x25x20d: 20 mm | F: 25 mm | B: 20 mm | r min: 0.3 mm | Mass: 0.028 kg
JR20x25x20,5d: 20 mm | F: 25 mm | B: 20.5 mm | r min: 0.3 mm | Mass: 0.029 kg
JR20x25x26d: 20 mm | F: 25 mm | B: 26 mm | r min: 0.3 mm | Mass: 0.036 kg
JR20x25x26,5d: 20 mm | F: 25 mm | B: 26.5 mm | r min: 0.3 mm | Mass: 0.037 kg
JR20x25x30d: 20 mm | F: 25 mm | B: 30 mm | r min: 0.3 mm | Mass: 0.042 kg
JR20x25x32d: 20 mm | F: 25 mm | B: 32 mm | r min: 0.3 mm | Mass: 0.044 kg
JR20x25x38,5d: 20 mm | F: 25 mm | B: 38.5 mm | r min: 0.3 mm | Mass: 0.054 kg
JR22x26x16d: 22 mm | F: 26 mm | B: 16 mm | r min: 0.3 mm | Mass: 0.019 kg
JR22x26x20d: 22 mm | F: 26 mm | B: 20 mm | r min: 0.3 mm | Mass: 0.023 kg
JR22x28x17d: 22 mm | F: 28 mm | B: 17 mm | r min: 0.3 mm | Mass: 0.030 kg
JR22x28x20,5d: 22 mm | F: 28 mm | B: 20.5 mm | r min: 0.3 mm | Mass: 0.038 kg
JR22x28x30d: 22 mm | F: 28 mm | B: 30 mm | r min: 0.3 mm | Mass: 0.056 kg
IM 23 28 20 Pd: 23 mm | F: 28 mm | B: 20 mm | r min: 0.35 mm | Mass: 0.030 kg
JR25x29x20d: 25 mm | F: 29 mm | B: 20 mm | r min: 0.3 mm | Mass: 0.027 kg
JR25x29x30d: 25 mm | F: 29 mm | B: 30 mm | r min: 0.3 mm | Mass: 0.040 kg
JR25x30x16d: 25 mm | F: 30 mm | B: 16 mm | r min: 0.3 mm | Mass: 0.027 kg
JR25x30x16JS1d: 25 mm | F: 30 mm | B: 16 mm | r min: 0.3 mm | Mass: 0.027 kg
JR25x30x17d: 25 mm | F: 30 mm | B: 17 mm | r min: 0.3 mm | Mass: 0.028 kg
JRZ25x30x18JS1d: 25 mm | F: 30 mm | B: 18 mm | r min: 0.3 mm | Mass: 0.031 kg
JR25x30x20d: 25 mm | F: 30 mm | B: 20 mm | r min: 0.3 mm | Mass: 0.034 kg
JR25x30x20,5d: 25 mm | F: 30 mm | B: 20.5 mm | r min: 0.3 mm | Mass: 0.035 kg
JR25x30x26d: 25 mm | F: 30 mm | B: 26 mm | r min: 0.3 mm | Mass: 0.044 kg
JR25x30x26,5d: 25 mm | F: 30 mm | B: 26.5 mm | r min: 0.3 mm | Mass: 0.045 kg
JR25x30x30d: 25 mm | F: 30 mm | B: 30 mm | r min: 0.3 mm | Mass: 0.051 kg
JR25x30x32d: 25 mm | F: 30 mm | B: 32 mm | r min: 0.3 mm | Mass: 0.054 kg
JR25x30x38,5d: 25 mm | F: 30 mm | B: 38.5 mm | r min: 0.3 mm | Mass: 0.066 kg
JR28x32x17d: 28 mm | F: 32 mm | B: 17 mm | r min: 0.3 mm | Mass: 0.028 kg
JR28x32x20d: 28 mm | F: 32 mm | B: 20 mm | r min: 0.3 mm | Mass: 0.030 kg
JR28x32x30d: 28 mm | F: 32 mm | B: 30 mm | r min: 0.3 mm | Mass: 0.044 kg
JR30x35x16d: 30 mm | F: 35 mm | B: 16 mm | r min: 0.3 mm | Mass: 0.031 kg
JR30x35x17d: 30 mm | F: 35 mm | B: 17 mm | r min: 0.3 mm | Mass: 0.033 kg
IM 4906d: 30 mm | F: 35 mm | B: 17 mm | r min: 0.35 mm | Mass: 0.033 kg
JRZ30x35x18JS1d: 30 mm | F: 35 mm | B: 18 mm | r min: 0.3 mm | Mass: 0.036 kg
JR30x35x20d: 30 mm | F: 35 mm | B: 20 mm | r min: 0.3 mm | Mass: 0.039 kg
JRZ30x35x20JS1d: 30 mm | F: 35 mm | B: 20 mm | r min: 0.3 mm | Mass: 0.039 kg
JR30x35x20,5d: 30 mm | F: 35 mm | B: 20.5 mm | r min: 0.3 mm | Mass: 0.040 kg
JR30x35x26d: 30 mm | F: 35 mm | B: 26 mm | r min: 0.3 mm | Mass: 0.054 kg
JR30x35x30d: 30 mm | F: 35 mm | B: 30 mm | r min: 0.3 mm | Mass: 0.057 kg
JR30x35x32d: 30 mm | F: 35 mm | B: 32 mm | r min: 0.3 mm | Mass: 0.062 kg
JR30x38x20JS1d: 30 mm | F: 38 mm | B: 20 mm | r min: 0.6 mm | Mass: 0.067 kg
JR32x37x20d: 32 mm | F: 37 mm | B: 20 mm | r min: 0.3 mm | Mass: 0.043 kg
JR32x37x30d: 32 mm | F: 37 mm | B: 30 mm | r min: 0.3 mm | Mass: 0.064 kg
JR32x40x20d: 32 mm | F: 40 mm | B: 20 mm | r min: 0.6 mm | Mass: 0.069 kg
JR32x40x36d: 32 mm | F: 40 mm | B: 36 mm | r min: 0.6 mm | Mass: 0.128 kg
JR35x40x17d: 35 mm | F: 40 mm | B: 17 mm | r min: 0.3 mm | Mass: 0.040 kg
JR35x40x20d: 35 mm | F: 40 mm | B: 20 mm | r min: 0.3 mm | Mass: 0.046 kg
JR35x40x20,5d: 35 mm | F: 40 mm | B: 20.5 mm | r min: 0.3 mm | Mass: 0.049 kg
JR35x40x22d: 35 mm | F: 40 mm | B: 22 mm | r min: 0.3 mm | Mass: 0.052 kg
JR35x40x30d: 35 mm | F: 40 mm | B: 30 mm | r min: 0.3 mm | Mass: 0.071 kg
JR35x40x34d: 35 mm | F: 40 mm | B: 34 mm | r min: 0.3 mm | Mass: 0.080 kg
JR35x40x40d: 35 mm | F: 40 mm | B: 40 mm | r min: 0.3 mm | Mass: 0.094 kg
JR35x42x20d: 35 mm | F: 42 mm | B: 20 mm | r min: 0.6 mm | Mass: 0.065 kg
JR35x42x20JS1d: 35 mm | F: 42 mm | B: 20 mm | r min: 0.6 mm | Mass: 0.065 kg
JRZ35x42x23JS1d: 35 mm | F: 42 mm | B: 23 mm | r min: 0.6 mm | Mass: 0.074 kg
JR35x42x36d: 35 mm | F: 42 mm | B: 36 mm | r min: 0.6 mm | Mass: 0.122 kg
JR35x44x22d: 35 mm | F: 44 mm | B: 22 mm | r min: 0.6 mm | Mass: 0.097 kg
IM 37 42 20 Pd: 37 mm | F: 42 mm | B: 20 mm | r min: 0.35 mm | Mass: 0.046 kg
JR38x43x20d: 38 mm | F: 43 mm | B: 20 mm | r min: 0.3 mm | Mass: 0.050 kg
JR38x43x30d: 38 mm | F: 43 mm | B: 30 mm | r min: 0.3 mm | Mass: 0.075 kg
JR40x45x17d: 40 mm | F: 45 mm | B: 17 mm | r min: 0.3 mm | Mass: 0.044 kg
JR40x45x20d: 40 mm | F: 45 mm | B: 20 mm | r min: 0.3 mm | Mass: 0.052 kg
JR40x45x20,5d: 40 mm | F: 45 mm | B: 20.5 mm | r min: 0.3 mm | Mass: 0.054 kg
IM 40 45 25 Pd: 40 mm | F: 45 mm | B: 25 mm | r min: 0.35 mm | Mass: 0.062 kg
JR40x45x30d: 40 mm | F: 45 mm | B: 30 mm | r min: 0.3 mm | Mass: 0.078 kg
JR40x45x34d: 40 mm | F: 45 mm | B: 34 mm | r min: 0.3 mm | Mass: 0.089 kg
JR40x45x40d: 40 mm | F: 45 mm | B: 40 mm | r min: 0.3 mm | Mass: 0.115 kg
JR40x48x22d: 40 mm | F: 48 mm | B: 22 mm | r min: 0.6 mm | Mass: 0.094 kg
JRZ40x48x23JS1d: 40 mm | F: 48 mm | B: 23 mm | r min: 0.6 mm | Mass: 0.100 kg
JR40x48x40d: 40 mm | F: 48 mm | B: 40 mm | r min: 0.6 mm | Mass: 0.173 kg
JR40x50x20d: 40 mm | F: 50 mm | B: 20 mm | r min: 1 mm | Mass: 0.110 kg
JR42x47x20d: 42 mm | F: 47 mm | B: 20 mm | r min: 0.3 mm | Mass: 0.055 kg
JR42x47x30d: 42 mm | F: 47 mm | B: 30 mm | r min: 0.3 mm | Mass: 0.083 kg
JR45x50x20d: 45 mm | F: 50 mm | B: 20 mm | r min: 0.3 mm | Mass: 0.058 kg
JR45x50x25d: 45 mm | F: 50 mm | B: 25 mm | r min: 0.6 mm | Mass: 0.073 kg
JR45x50x25,5d: 45 mm | F: 50 mm | B: 25.5 mm | r min: 0.3 mm | Mass: 0.075 kg
JR45x50x35d: 45 mm | F: 50 mm | B: 35 mm | r min: 0.6 mm | Mass: 0.103 kg
JR45x50x40d: 45 mm | F: 50 mm | B: 40 mm | r min: 0.3 mm | Mass: 0.117 kg
JR45x52x22d: 45 mm | F: 52 mm | B: 22 mm | r min: 0.6 mm | Mass: 0.090 kg
IM 4909d: 45 mm | F: 52 mm | B: 22 mm | r min: 0.85 mm | Mass: 0.087 kg
JR45x52x23d: 45 mm | F: 52 mm | B: 23 mm | r min: 0.6 mm | Mass: 0.096 kg
JRZ45x52x23JS1d: 45 mm | F: 52 mm | B: 23 mm | r min: 0.6 mm | Mass: 0.096 kg
JR45x52x40d: 45 mm | F: 52 mm | B: 40 mm | r min: 0.6 mm | Mass: 0.167 kg
JR45x55x20d: 45 mm | F: 55 mm | B: 20 mm | r min: 1 mm | Mass: 0.133 kg
JR45x55x20JS1d: 45 mm | F: 55 mm | B: 20 mm | r min: 1 mm | Mass: 0.133 kg
JR45x55x22d: 45 mm | F: 55 mm | B: 22 mm | r min: 1 mm | Mass: 0.135 kg
JR45x55x40d: 45 mm | F: 55 mm | B: 40 mm | r min: 1 mm | Mass: 0.247 kg
JR50x55x20d: 50 mm | F: 55 mm | B: 20 mm | r min: 0.3 mm | Mass: 0.065 kg
JR50x55x25d: 50 mm | F: 55 mm | B: 25 mm | r min: 0.6 mm | Mass: 0.081 kg
IM 50 55 35 Pd: 50 mm | F: 55 mm | B: 35 mm | r min: 0.65 mm | Mass: 0.107 kg
JR50x55x35d: 50 mm | F: 55 mm | B: 35 mm | r min: 0.6 mm | Mass: 0.113 kg
JR50x55x40d: 50 mm | F: 55 mm | B: 40 mm | r min: 0.3 mm | Mass: 0.130 kg
JR50x58x22d: 50 mm | F: 58 mm | B: 22 mm | r min: 0.6 mm | Mass: 0.117 kg
JRZ50x58x23JS1d: 50 mm | F: 58 mm | B: 23 mm | r min: 0.6 mm | Mass: 0.122 kg
JR50x58x40d: 50 mm | F: 58 mm | B: 40 mm | r min: 0.6 mm | Mass: 0.213 kg
JR50x60x20d: 50 mm | F: 60 mm | B: 20 mm | r min: 1 mm | Mass: 0.155 kg
JR50x60x20JS1d: 50 mm | F: 60 mm | B: 20 mm | r min: 1 mm | Mass: 0.155 kg
JR50x60x25d: 50 mm | F: 60 mm | B: 25 mm | r min: 1 mm | Mass: 0.170 kg
JR50x60x40d: 50 mm | F: 60 mm | B: 40 mm | r min: 1 mm | Mass: 0.310 kg
JR55x60x25d: 55 mm | F: 60 mm | B: 25 mm | r min: 0.6 mm | Mass: 0.088 kg
IM 55 60 35 Pd: 55 mm | F: 60 mm | B: 35 mm | r min: 0.65 mm | Mass: 0.118 kg
JR55x60x35d: 55 mm | F: 60 mm | B: 35 mm | r min: 0.6 mm | Mass: 0.124 kg
JR55x63x25d: 55 mm | F: 63 mm | B: 25 mm | r min: 1 mm | Mass: 0.141 kg
JR55x63x45d: 55 mm | F: 63 mm | B: 45 mm | r min: 1 mm | Mass: 0.286 kg
JR55x65x30d: 55 mm | F: 65 mm | B: 30 mm | r min: 1 mm | Mass: 0.222 kg
JR55x65x60d: 55 mm | F: 65 mm | B: 60 mm | r min: 1 mm | Mass: 0.444 kg
IM 58 65 25 Pd: 58 mm | F: 65 mm | B: 25 mm | r min: 0.85 mm | Mass: 0.125 kg
JR60x68x25d: 60 mm | F: 68 mm | B: 25 mm | r min: 0.6 mm | Mass: 0.153 kg
JR60x68x35d: 60 mm | F: 68 mm | B: 35 mm | r min: 0.6 mm | Mass: 0.220 kg
JR60x68x45d: 60 mm | F: 68 mm | B: 45 mm | r min: 1 mm | Mass: 0.284 kg
JR60x70x25d: 60 mm | F: 70 mm | B: 25 mm | r min: 1 mm | Mass: 0.200 kg
JR60x70x30d: 60 mm | F: 70 mm | B: 30 mm | r min: 1 mm | Mass: 0.240 kg
IM 60 70 35 Pd: 60 mm | F: 70 mm | B: 35 mm | r min: 0.85 mm | Mass: 0.280 kg
JR60x70x60d: 60 mm | F: 70 mm | B: 60 mm | r min: 1 mm | Mass: 0.480 kg
JR65x72x25d: 65 mm | F: 72 mm | B: 25 mm | r min: 1 mm | Mass: 0.143 kg
JR65x72x45d: 65 mm | F: 72 mm | B: 45 mm | r min: 1 mm | Mass: 0.266 kg
JR65x73x25d: 65 mm | F: 73 mm | B: 25 mm | r min: 0.6 mm | Mass: 0.170 kg
JR65x73x35d: 65 mm | F: 73 mm | B: 35 mm | r min: 0.6 mm | Mass: 0.240 kg
JR65x75x28d: 65 mm | F: 75 mm | B: 28 mm | r min: 1 mm | Mass: 0.240 kg
JR65x75x30d: 65 mm | F: 75 mm | B: 30 mm | r min: 1 mm | Mass: 0.260 kg
JR65x75x60d: 65 mm | F: 75 mm | B: 60 mm | r min: 1 mm | Mass: 0.520 kg
JR70x80x25d: 70 mm | F: 80 mm | B: 25 mm | r min: 1 mm | Mass: 0.230 kg
JR70x80x30d: 70 mm | F: 80 mm | B: 30 mm | r min: 1 mm | Mass: 0.270 kg
JR70x80x35d: 70 mm | F: 80 mm | B: 35 mm | r min: 1 mm | Mass: 0.320 kg
JR70x80x54d: 70 mm | F: 80 mm | B: 54 mm | r min: 1 mm | Mass: 0.500 kg
JR70x80x60d: 70 mm | F: 80 mm | B: 60 mm | r min: 1 mm | Mass: 0.556 kg
JR75x85x25d: 75 mm | F: 85 mm | B: 25 mm | r min: 1 mm | Mass: 0.240 kg
JR75x85x30d: 75 mm | F: 85 mm | B: 30 mm | r min: 1 mm | Mass: 0.289 kg
JR75x85x35d: 75 mm | F: 85 mm | B: 35 mm | r min: 1 mm | Mass: 0.338 kg
JR75x85x54d: 75 mm | F: 85 mm | B: 54 mm | r min: 1 mm | Mass: 0.530 kg
JR80x90x25d: 80 mm | F: 90 mm | B: 25 mm | r min: 1 mm | Mass: 0.260 kg
JR80x90x30d: 80 mm | F: 90 mm | B: 30 mm | r min: 1 mm | Mass: 0.306 kg
JR80x90x35d: 80 mm | F: 90 mm | B: 35 mm | r min: 1 mm | Mass: 0.355 kg
JR80x90x54d: 80 mm | F: 90 mm | B: 54 mm | r min: 1 mm | Mass: 0.565 kg
JR85x95x26d: 85 mm | F: 95 mm | B: 26 mm | r min: 1 mm | Mass: 0.290 kg
JR85x95x30d: 85 mm | F: 95 mm | B: 30 mm | r min: 1 mm | Mass: 0.334 kg
JR85x95x36d: 85 mm | F: 95 mm | B: 36 mm | r min: 1 mm | Mass: 0.397 kg
JR85x100x35d: 85 mm | F: 100 mm | B: 35 mm | r min: 1.1 mm | Mass: 0.595 kg
JR85x100x63d: 85 mm | F: 100 mm | B: 63 mm | r min: 1.1 mm | Mass: 1.080 kg
JR90x100x26d: 90 mm | F: 100 mm | B: 26 mm | r min: 1 mm | Mass: 0.300 kg
JR90x100x30d: 90 mm | F: 100 mm | B: 30 mm | r min: 1 mm | Mass: 0.350 kg
JR90x100x36d: 90 mm | F: 100 mm | B: 36 mm | r min: 1 mm | Mass: 0.422 kg
JR90x105x32d: 90 mm | F: 105 mm | B: 32 mm | r min: 1.1 mm | Mass: 0.580 kg
JR90x105x35d: 90 mm | F: 105 mm | B: 35 mm | r min: 1.1 mm | Mass: 0.624 kg
JR90x105x63d: 90 mm | F: 105 mm | B: 63 mm | r min: 1.1 mm | Mass: 1.140 kg
JR95x105x26d: 95 mm | F: 105 mm | B: 26 mm | r min: 1 mm | Mass: 0.310 kg
JR95x105x36d: 95 mm | F: 105 mm | B: 36 mm | r min: 1 mm | Mass: 0.430 kg
JR95x110x35d: 95 mm | F: 110 mm | B: 35 mm | r min: 1.1 mm | Mass: 0.653 kg
JR95x110x63d: 95 mm | F: 110 mm | B: 63 mm | r min: 1.1 mm | Mass: 1.200 kg
JR100x110x30d: 100 mm | F: 110 mm | B: 30 mm | r min: 1.1 mm | Mass: 0.384 kg
JR100x110x40d: 100 mm | F: 110 mm | B: 40 mm | r min: 1.1 mm | Mass: 0.510 kg
JR100x115x40d: 100 mm | F: 115 mm | B: 40 mm | r min: 1.1 mm | Mass: 0.790 kg
JR110x120x30d: 110 mm | F: 120 mm | B: 30 mm | r min: 1 mm | Mass: 0.425 kg
JR110x125x40d: 110 mm | F: 125 mm | B: 40 mm | r min: 1.1 mm | Mass: 0.870 kg
JR120x130x30d: 120 mm | F: 130 mm | B: 30 mm | r min: 1 mm | Mass: 0.460 kg
JR120x135x45d: 120 mm | F: 135 mm | B: 45 mm | r min: 1.1 mm | Mass: 1.060 kg
JR130x145x35d: 130 mm | F: 145 mm | B: 35 mm | r min: 1.1 mm | Mass: 0.890 kg
JR130x150x50d: 130 mm | F: 150 mm | B: 50 mm | r min: 1.5 mm | Mass: 1.730 kg
JR140x155x35d: 140 mm | F: 155 mm | B: 35 mm | r min: 1.1 mm | Mass: 0.955 kg
JR140x160x50d: 140 mm | F: 160 mm | B: 50 mm | r min: 1.5 mm | Mass: 1.860 kg
JR150x165x40d: 150 mm | F: 165 mm | B: 40 mm | r min: 1.1 mm | Mass: 1.170 kg
JR160x175x40d: 160 mm | F: 175 mm | B: 40 mm | r min: 1.1 mm | Mass: 1.240 kg
JR170x185x45d: 170 mm | F: 185 mm | B: 45 mm | r min: 1.1 mm | Mass: 1.480 kg
JR180x195x45d: 180 mm | F: 195 mm | B: 45 mm | r min: 1.1 mm | Mass: 1.560 kg

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