• NACHI UC X00 Insert Ball Bearings (Set Screw, Metric & Inch)
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NACHI UC X00 Insert Ball Bearings (Set Screw, Metric & Inch)

NACHI UC X00 Insert Ball Bearings (Set Screw, Metric & Inch)

NACHI UC X00 medium duty insert ball bearings (diameter series X) with set-screw locking, shaft diameters 25-100 mm, 7/8 in to 4 in.

Key features

  • Replacement bearing for NACHI mounted units
  • Spherical outside diameter for self-alignment in the unit housing
  • Shaft locking by set screw
  • Metric sizes with load ratings in kgf; inch sizes with dimensions in inches and load ratings in lbf

Specifications

Brand NACHI
Series UC X00
Bearing type Ball bearing for units (insert bearing)
Shaft locking Set screw
Shaft range 25-100 mm, 7/8 in to 4 in
Bi Inner ring width
Source NACHI Ball Bearing Units catalogue, p. 46
UCX05 Shaft: 25 mm | D: 62 mm | Bi: 38.1 mm | C: 2000 kgf | C0: 1020 kgf
UCX06 Shaft: 30 mm | D: 72 mm | Bi: 42.9 mm | C: 2640 kgf | C0: 1400 kgf
UCX07 Shaft: 35 mm | D: 80 mm | Bi: 49.2 mm | C: 2990 kgf | C0: 1600 kgf
UCX08 Shaft: 40 mm | D: 85 mm | Bi: 49.2 mm | C: 3350 kgf | C0: 1810 kgf
UCX09 Shaft: 45 mm | D: 90 mm | Bi: 51.6 mm | C: 3600 kgf | C0: 2010 kgf
UCX10 Shaft: 50 mm | D: 100 mm | Bi: 55.6 mm | C: 4400 kgf | C0: 2550 kgf
UCX11 Shaft: 55 mm | D: 110 mm | Bi: 65.1 mm | C: 5350 kgf | C0: 3150 kgf
UCX12 Shaft: 60 mm | D: 120 mm | Bi: 65.1 mm | C: 5850 kgf | C0: 3500 kgf
UCX13 Shaft: 65 mm | D: 125 mm | Bi: 74.6 mm | C: 6350 kgf | C0: 3800 kgf
UCX14 Shaft: 70 mm | D: 130 mm | Bi: 77.8 mm | C: 6750 kgf | C0: 4200 kgf
UCX15 Shaft: 75 mm | D: 140 mm | Bi: 82.6 mm | C: 7400 kgf | C0: 4550 kgf
UCX16 Shaft: 80 mm | D: 150 mm | Bi: 85.7 mm | C: 8500 kgf | C0: 5500 kgf
UCX17 Shaft: 85 mm | D: 160 mm | Bi: 96 mm | C: 9750 kgf | C0: 6300 kgf
UCX18 Shaft: 90 mm | D: 170 mm | Bi: 104 mm | C: 11100 kgf | C0: 7100 kgf
UCX20 Shaft: 100 mm | D: 190 mm | Bi: 117.5 mm | C: 13700 kgf | C0: 9100 kgf
UCX05-14 Shaft: 7/8 in | D: 2.4409 in | Bi: 1.500 in | C: 4410 lbf | C0: 2250 lbf
UCX05-15 Shaft: 15/16 in | D: 2.4409 in | Bi: 1.500 in | C: 4410 lbf | C0: 2250 lbf
UCX05-16 Shaft: 1 in | D: 2.4409 in | Bi: 1.500 in | C: 4410 lbf | C0: 2250 lbf
UCX06-18 Shaft: 1-1/8 in | D: 2.8346 in | Bi: 1.689 in | C: 5820 lbf | C0: 3090 lbf
UCX06-19 Shaft: 1-3/16 in | D: 2.8346 in | Bi: 1.689 in | C: 5820 lbf | C0: 3090 lbf
UCX06-20 Shaft: 1-1/4 in | D: 2.8346 in | Bi: 1.689 in | C: 5820 lbf | C0: 3090 lbf
UCX07-22 Shaft: 1-3/8 in | D: 3.1496 in | Bi: 1.937 in | C: 6590 lbf | C0: 3530 lbf
UCX07-23 Shaft: 1-7/16 in | D: 3.1496 in | Bi: 1.937 in | C: 6590 lbf | C0: 3530 lbf
UCX08-24 Shaft: 1-1/2 in | D: 3.3465 in | Bi: 1.937 in | C: 7390 lbf | C0: 3990 lbf
UCX09-26 Shaft: 1-5/8 in | D: 3.5433 in | Bi: 2.031 in | C: 7940 lbf | C0: 4430 lbf
UCX09-27 Shaft: 1-11/16 in | D: 3.5433 in | Bi: 2.031 in | C: 7940 lbf | C0: 4430 lbf
UCX09-28 Shaft: 1-3/4 in | D: 3.5433 in | Bi: 2.031 in | C: 7940 lbf | C0: 4430 lbf
UCX10-30 Shaft: 1-7/8 in | D: 3.9370 in | Bi: 2.189 in | C: 9700 lbf | C0: 5620 lbf
UCX10-31 Shaft: 1-15/16 in | D: 3.9370 in | Bi: 2.189 in | C: 9700 lbf | C0: 5620 lbf
UCX10-32 Shaft: 2 in | D: 3.9370 in | Bi: 2.189 in | C: 9700 lbf | C0: 5620 lbf
UCX11-34 Shaft: 2-1/8 in | D: 4.3307 in | Bi: 2.563 in | C: 11800 lbf | C0: 6940 lbf
UCX11-35 Shaft: 2-3/16 in | D: 4.3307 in | Bi: 2.563 in | C: 11800 lbf | C0: 6940 lbf
UCX11-36 Shaft: 2-1/4 in | D: 4.3307 in | Bi: 2.563 in | C: 11800 lbf | C0: 6940 lbf
UCX12-38 Shaft: 2-3/8 in | D: 4.7244 in | Bi: 2.563 in | C: 12900 lbf | C0: 7720 lbf
UCX12-39 Shaft: 2-7/16 in | D: 4.7244 in | Bi: 2.563 in | C: 12900 lbf | C0: 7720 lbf
UCX13-40 Shaft: 2-1/2 in | D: 4.9213 in | Bi: 2.937 in | C: 14000 lbf | C0: 8380 lbf
UCX14-43 Shaft: 2-11/16 in | D: 5.1181 in | Bi: 3.063 in | C: 14900 lbf | C0: 9260 lbf
UCX14-44 Shaft: 2-3/4 in | D: 5.1181 in | Bi: 3.063 in | C: 14900 lbf | C0: 9260 lbf
UCX15-47 Shaft: 2-15/16 in | D: 5.5118 in | Bi: 3.252 in | C: 16300 lbf | C0: 10000 lbf
UCX15-48 Shaft: 3 in | D: 5.5118 in | Bi: 3.252 in | C: 16300 lbf | C0: 10000 lbf
UCX16-51 Shaft: 3-3/16 in | D: 5.9055 in | Bi: 3.374 in | C: 18700 lbf | C0: 12100 lbf
UCX17-52 Shaft: 3-1/4 in | D: 6.2992 in | Bi: 3.780 in | C: 21500 lbf | C0: 13900 lbf
UCX17-55 Shaft: 3-7/16 in | D: 6.2992 in | Bi: 3.780 in | C: 21500 lbf | C0: 13900 lbf
UCX18-56 Shaft: 3-1/2 in | D: 6.6929 in | Bi: 4.094 in | C: 24500 lbf | C0: 15700 lbf
UCX20-63 Shaft: 3-15/16 in | D: 7.4803 in | Bi: 4.626 in | C: 30200 lbf | C0: 20100 lbf
UCX20-64 Shaft: 4 in | D: 7.4803 in | Bi: 4.626 in | C: 30200 lbf | C0: 20100 lbf
Insert BearingsNACHI
46 product codes available in this family
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NACHI UC X00 Insert Ball Bearings (Set Screw, Metric & Inch)

Brand NACHI·Insert Bearings

Available part numbers (46)

UCX05, UCX06, UCX07, UCX08, UCX09, UCX10, UCX11, UCX12, UCX13, UCX14 + 36 more — see full table ↓

How to order

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Product codes & specifications
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Product codeSpec
UCX05Shaft: 25 mm | D: 62 mm | Bi: 38.1 mm | C: 2000 kgf | C0: 1020 kgf
UCX06Shaft: 30 mm | D: 72 mm | Bi: 42.9 mm | C: 2640 kgf | C0: 1400 kgf
UCX07Shaft: 35 mm | D: 80 mm | Bi: 49.2 mm | C: 2990 kgf | C0: 1600 kgf
UCX08Shaft: 40 mm | D: 85 mm | Bi: 49.2 mm | C: 3350 kgf | C0: 1810 kgf
UCX09Shaft: 45 mm | D: 90 mm | Bi: 51.6 mm | C: 3600 kgf | C0: 2010 kgf
UCX10Shaft: 50 mm | D: 100 mm | Bi: 55.6 mm | C: 4400 kgf | C0: 2550 kgf
UCX11Shaft: 55 mm | D: 110 mm | Bi: 65.1 mm | C: 5350 kgf | C0: 3150 kgf
UCX12Shaft: 60 mm | D: 120 mm | Bi: 65.1 mm | C: 5850 kgf | C0: 3500 kgf
UCX13Shaft: 65 mm | D: 125 mm | Bi: 74.6 mm | C: 6350 kgf | C0: 3800 kgf
UCX14Shaft: 70 mm | D: 130 mm | Bi: 77.8 mm | C: 6750 kgf | C0: 4200 kgf
UCX15Shaft: 75 mm | D: 140 mm | Bi: 82.6 mm | C: 7400 kgf | C0: 4550 kgf
UCX16Shaft: 80 mm | D: 150 mm | Bi: 85.7 mm | C: 8500 kgf | C0: 5500 kgf
UCX17Shaft: 85 mm | D: 160 mm | Bi: 96 mm | C: 9750 kgf | C0: 6300 kgf
UCX18Shaft: 90 mm | D: 170 mm | Bi: 104 mm | C: 11100 kgf | C0: 7100 kgf
UCX20Shaft: 100 mm | D: 190 mm | Bi: 117.5 mm | C: 13700 kgf | C0: 9100 kgf
UCX05-14Shaft: 7/8 in | D: 2.4409 in | Bi: 1.500 in | C: 4410 lbf | C0: 2250 lbf
UCX05-15Shaft: 15/16 in | D: 2.4409 in | Bi: 1.500 in | C: 4410 lbf | C0: 2250 lbf
UCX05-16Shaft: 1 in | D: 2.4409 in | Bi: 1.500 in | C: 4410 lbf | C0: 2250 lbf
UCX06-18Shaft: 1-1/8 in | D: 2.8346 in | Bi: 1.689 in | C: 5820 lbf | C0: 3090 lbf
UCX06-19Shaft: 1-3/16 in | D: 2.8346 in | Bi: 1.689 in | C: 5820 lbf | C0: 3090 lbf
UCX06-20Shaft: 1-1/4 in | D: 2.8346 in | Bi: 1.689 in | C: 5820 lbf | C0: 3090 lbf
UCX07-22Shaft: 1-3/8 in | D: 3.1496 in | Bi: 1.937 in | C: 6590 lbf | C0: 3530 lbf
UCX07-23Shaft: 1-7/16 in | D: 3.1496 in | Bi: 1.937 in | C: 6590 lbf | C0: 3530 lbf
UCX08-24Shaft: 1-1/2 in | D: 3.3465 in | Bi: 1.937 in | C: 7390 lbf | C0: 3990 lbf
UCX09-26Shaft: 1-5/8 in | D: 3.5433 in | Bi: 2.031 in | C: 7940 lbf | C0: 4430 lbf
UCX09-27Shaft: 1-11/16 in | D: 3.5433 in | Bi: 2.031 in | C: 7940 lbf | C0: 4430 lbf
UCX09-28Shaft: 1-3/4 in | D: 3.5433 in | Bi: 2.031 in | C: 7940 lbf | C0: 4430 lbf
UCX10-30Shaft: 1-7/8 in | D: 3.9370 in | Bi: 2.189 in | C: 9700 lbf | C0: 5620 lbf
UCX10-31Shaft: 1-15/16 in | D: 3.9370 in | Bi: 2.189 in | C: 9700 lbf | C0: 5620 lbf
UCX10-32Shaft: 2 in | D: 3.9370 in | Bi: 2.189 in | C: 9700 lbf | C0: 5620 lbf
UCX11-34Shaft: 2-1/8 in | D: 4.3307 in | Bi: 2.563 in | C: 11800 lbf | C0: 6940 lbf
UCX11-35Shaft: 2-3/16 in | D: 4.3307 in | Bi: 2.563 in | C: 11800 lbf | C0: 6940 lbf
UCX11-36Shaft: 2-1/4 in | D: 4.3307 in | Bi: 2.563 in | C: 11800 lbf | C0: 6940 lbf
UCX12-38Shaft: 2-3/8 in | D: 4.7244 in | Bi: 2.563 in | C: 12900 lbf | C0: 7720 lbf
UCX12-39Shaft: 2-7/16 in | D: 4.7244 in | Bi: 2.563 in | C: 12900 lbf | C0: 7720 lbf
UCX13-40Shaft: 2-1/2 in | D: 4.9213 in | Bi: 2.937 in | C: 14000 lbf | C0: 8380 lbf
UCX14-43Shaft: 2-11/16 in | D: 5.1181 in | Bi: 3.063 in | C: 14900 lbf | C0: 9260 lbf
UCX14-44Shaft: 2-3/4 in | D: 5.1181 in | Bi: 3.063 in | C: 14900 lbf | C0: 9260 lbf
UCX15-47Shaft: 2-15/16 in | D: 5.5118 in | Bi: 3.252 in | C: 16300 lbf | C0: 10000 lbf
UCX15-48Shaft: 3 in | D: 5.5118 in | Bi: 3.252 in | C: 16300 lbf | C0: 10000 lbf
UCX16-51Shaft: 3-3/16 in | D: 5.9055 in | Bi: 3.374 in | C: 18700 lbf | C0: 12100 lbf
UCX17-52Shaft: 3-1/4 in | D: 6.2992 in | Bi: 3.780 in | C: 21500 lbf | C0: 13900 lbf
UCX17-55Shaft: 3-7/16 in | D: 6.2992 in | Bi: 3.780 in | C: 21500 lbf | C0: 13900 lbf
UCX18-56Shaft: 3-1/2 in | D: 6.6929 in | Bi: 4.094 in | C: 24500 lbf | C0: 15700 lbf
UCX20-63Shaft: 3-15/16 in | D: 7.4803 in | Bi: 4.626 in | C: 30200 lbf | C0: 20100 lbf
UCX20-64Shaft: 4 in | D: 7.4803 in | Bi: 4.626 in | C: 30200 lbf | C0: 20100 lbf

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