• KOYO Special Inner Rings: IM Precision, BIC/BIK/BIG with Oil Holes
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KOYO Special Inner Rings: IM Precision, BIC/BIK/BIG with Oil Holes

KOYO Special Inner Rings: IM Precision, BIC/BIK/BIG with Oil Holes

Metric inner rings for machine-tool quality precision combined bearings (IM..P / R6) and inner rings with oil holes or extra width for RNA bearings and track rollers (BIC, BIK, BIG).

Key features

  • Precision ground for machine-tool combined bearings
  • BIC / BIK / BIG with lubrication holes
  • Extra-wide versions available
  • Hardened bearing steel

Specifications

Product type Needle bearing inner ring
Series IM (precision), BIC, BIK, BIG
Source KOYO Needle Roller Bearings catalogue, p. B-8-24 to B-8-28
IM 19017 d: 17 mm | F: 20 mm | B: 27.5 mm | Mass: 0.019 kg
IM 20617 d: 17 mm | F: 20 mm | B: 32 mm | Mass: 0.021 kg
IM 19020 d: 20 mm | F: 25 mm | B: 27.5 mm | Mass: 0.038 kg
IM 20620 d: 20 mm | F: 25 mm | B: 32 mm | Mass: 0.044 kg
IM 19025 d: 25 mm | F: 30 mm | B: 27.5 mm | Mass: 0.042 kg
IM 20625 d: 25 mm | F: 30 mm | B: 32 mm | Mass: 0.052 kg
IM 19030 d: 30 mm | F: 35 mm | B: 27.5 mm | Mass: 0.053 kg
IM 20630 d: 30 mm | F: 35 mm | B: 32 mm | Mass: 0.061 kg
IM 19035 d: 35 mm | F: 40 mm | B: 27.5 mm | Mass: 0.063 kg
IM 20635 d: 35 mm | F: 40 mm | B: 32 mm | Mass: 0.072 kg
IM 19040 d: 40 mm | F: 45 mm | B: 27.5 mm | Mass: 0.069 kg
IM 20640 d: 40 mm | F: 45 mm | B: 32 mm | Mass: 0.080 kg
IM 19045 d: 45 mm | F: 50 mm | B: 30.5 mm | Mass: 0.085 kg
IM 20645 d: 45 mm | F: 50 mm | B: 35 mm | Mass: 0.096 kg
BIC 1012 d: 12 mm | F: 17.6 mm | B: 15 mm | Mass: 0.016 kg
BIP 1012 d: 12 mm | F: 17.6 mm | B: 20 mm | Mass: 0.020 kg
BIC 1015 d: 15 mm | F: 20.8 mm | B: 15 mm | Mass: 0.018 kg
BIC 2015 d: 15 mm | F: 22.1 mm | B: 22 mm | Mass: 0.035 kg
BIC 1017 d: 17 mm | F: 23.9 mm | B: 15 mm | Mass: 0.026 kg
BIC 1020 d: 20 mm | F: 28.7 mm | B: 18 mm | Mass: 0.046 kg
BIC 2020 d: 20 mm | F: 28.7 mm | B: 22 mm | Mass: 0.056 kg
BIP 1020 d: 20 mm | F: 28.7 mm | B: 22 mm | Mass: 0.056 kg
BIC 1025 d: 25 mm | F: 33.5 mm | B: 18 mm | Mass: 0.054 kg
BIC 2025 d: 25 mm | F: 33.5 mm | B: 22 mm | Mass: 0.065 kg
BIC 22025 d: 25 mm | F: 33.5 mm | B: 30 mm | Mass: 0.500 kg
BIG 2025 d: 25 mm | F: 33.5 mm | B: 32 mm | Mass: 0.095 kg
BIK 2025 d: 25 mm | F: 33.5 mm | B: 42 mm | Mass: 0.125 kg
BIC 1030 d: 30 mm | F: 38.2 mm | B: 18 mm | Mass: 0.060 kg
BIC 2030 d: 30 mm | F: 38.2 mm | B: 22 mm | Mass: 0.074 kg
BIC 3030 d: 30 mm | F: 44.0 mm | B: 30 mm | Mass: 0.188 kg
BIG 2030 d: 30 mm | F: 38.2 mm | B: 32 mm | Mass: 0.108 kg
BIG 3030 d: 30 mm | F: 44.0 mm | B: 40 mm | Mass: 0.247 kg
BIC 1035 d: 35 mm | F: 44.0 mm | B: 18 mm | Mass: 0.077 kg
BIC 2035 d: 35 mm | F: 44.0 mm | B: 22 mm | Mass: 0.093 kg
BIG 2035 d: 35 mm | F: 44.0 mm | B: 32 mm | Mass: 0.135 kg
BIC 1040 d: 40 mm | F: 49.7 mm | B: 18 mm | Mass: 0.094 kg
BIC 2040 d: 40 mm | F: 49.7 mm | B: 22 mm | Mass: 0.115 kg
BIC 3040 d: 40 mm | F: 55.4 mm | B: 36 mm | Mass: 0.321 kg
BIG 2040 d: 40 mm | F: 49.7 mm | B: 32 mm | Mass: 0.170 kg
BIP 1040 d: 40 mm | F: 49.7 mm | B: 22 mm | Mass: 0.115 kg
BIC 1045 d: 45 mm | F: 55.4 mm | B: 18 mm | Mass: 0.113 kg
BIC 2045 d: 45 mm | F: 55.4 mm | B: 22 mm | Mass: 0.139 kg
BIC 3045 d: 45 mm | F: 62.1 mm | B: 38 mm | Mass: 0.422 kg
BIG 2045 d: 45 mm | F: 55.4 mm | B: 32 mm | Mass: 0.210 kg
BIC 1050 d: 50 mm | F: 62.1 mm | B: 20 mm | Mass: 0.163 kg
BIC 11050 d: 50 mm | F: 62.1 mm | B: 24 mm | Mass: 0.196 kg
BIC 2050 d: 50 mm | F: 62.1 mm | B: 28 mm | Mass: 0.228 kg
BIC 3050 d: 50 mm | F: 68.8 mm | B: 38 mm | Mass: 0.515 kg
BIG 2050 d: 50 mm | F: 62.1 mm | B: 38 mm | Mass: 0.312 kg
BIP 1050 d: 50 mm | F: 62.1 mm | B: 28 mm | Mass: 0.228 kg
BIC 1055 d: 55 mm | F: 68.8 mm | B: 20 mm | Mass: 0.205 kg
BIC 3055 d: 55 mm | F: 72.6 mm | B: 38 mm | Mass: 0.525 kg
BICG 3055 d: 55 mm | F: 72.6 mm | B: 48 mm | Mass: 0.660 kg
BIG 2055 d: 55 mm | F: 68.8 mm | B: 38 mm | Mass: 0.390 kg
BIP 1055 d: 55 mm | F: 68.8 mm | B: 28 mm | Mass: 0.288 kg
BIC 2060 d: 60 mm | F: 72.6 mm | B: 28 mm | Mass: 0.282 kg
BIC 3060 d: 60 mm | F: 78.3 mm | B: 38 mm | Mass: 0.583 kg
BICG 2060 d: 60 mm | F: 72.6 mm | B: 38 mm | Mass: 0.385 kg
BIG 2060 d: 60 mm | F: 72.6 mm | B: 38 mm | Mass: 0.385 kg
BIC 3065 d: 65 mm | F: 83.1 mm | B: 38 mm | Mass: 0.623 kg
BIG 2065 d: 65 mm | F: 78.3 mm | B: 38 mm | Mass: 0.437 kg
BIC 3070 d: 70 mm | F: 88.0 mm | B: 38 mm | Mass: 0.662 kg
BIG 3070 d: 70 mm | F: 88.0 mm | B: 48 mm | Mass: 0.820 kg
BIK 3070 d: 70 mm | F: 88.0 mm | B: 58 mm | Mass: 1.010 kg
BIC 2075 d: 75 mm | F: 88.0 mm | B: 32 mm | Mass: 0.410 kg
BIG 2075 d: 75 mm | F: 88.0 mm | B: 42 mm | Mass: 0.538 kg
BIK 3075 d: 75 mm | F: 96.0 mm | B: 58 mm | Mass: 1.260 kg
BIC 1080 d: 80 mm | F: 96.0 mm | B: 24 mm | Mass: 0.410 kg
BIC 2080 d: 80 mm | F: 96.0 mm | B: 32 mm | Mass: 0.545 kg
BIC 3080 d: 80 mm | F: 99.5 mm | B: 38 mm | Mass: 0.805 kg
BIG 2080 d: 80 mm | F: 96.0 mm | B: 42 mm | Mass: 0.714 kg
BIC 2090 d: 90 mm | F: 104.7 mm | B: 32 mm | Mass: 0.531 kg
BIC 3090 d: 90 mm | F: 109.1 mm | B: 43 mm | Mass: 0.990 kg
BIG 3090 d: 90 mm | F: 109.1 mm | B: 53 mm | Mass: 1.220 kg
BIK 3090 d: 90 mm | F: 109.1 mm | B: 63 mm | Mass: 1.480 kg
BIC 2095 d: 95 mm | F: 109.1 mm | B: 32 mm | Mass: 0.548 kg
BIC 3095 d: 95 mm | F: 114.7 mm | B: 43 mm | Mass: 1.075 kg
BIK 3095 d: 95 mm | F: 114.7 mm | B: 63 mm | Mass: 1.585 kg
BIC 3100 d: 100 mm | F: 119.2 mm | B: 43 mm | Mass: 1.090 kg
BIG 2100 d: 100 mm | F: 114.7 mm | B: 42 mm | Mass: 0.800 kg
BIC 2105 d: 105 mm | F: 119.2 mm | B: 32 mm | Mass: 0.615 kg
BIG 3105 d: 105 mm | F: 124.7 mm | B: 55 mm | Mass: 1.505 kg
BIC 2110 d: 110 mm | F: 124.7 mm | B: 34 mm | Mass: 0.705 kg
BIG 2110 d: 110 mm | F: 124.7 mm | B: 44 mm | Mass: 0.920 kg
BICG 2125 d: 125 mm | F: 142.5 mm | B: 44 mm | Mass: 1.340 kg
BIG 2125 d: 125 mm | F: 142.5 mm | B: 44 mm | Mass: 1.325 kg
BIC 3130 d: 130 mm | F: 158.0 mm | B: 52 mm | Mass: 2.530 kg
Needle Roller BearingsKOYO
87 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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KOYO Special Inner Rings: IM Precision, BIC/BIK/BIG with Oil Holes

Brand KOYO·Needle Roller Bearings

Available part numbers (87)

IM 19017, IM 20617, IM 19020, IM 20620, IM 19025, IM 20625, IM 19030, IM 20630, IM 19035, IM 20635 + 77 more — see full table ↓

How to order

Send the KOYO part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

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Product codes & specifications
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Product codeSpec
IM 19017d: 17 mm | F: 20 mm | B: 27.5 mm | Mass: 0.019 kg
IM 20617d: 17 mm | F: 20 mm | B: 32 mm | Mass: 0.021 kg
IM 19020d: 20 mm | F: 25 mm | B: 27.5 mm | Mass: 0.038 kg
IM 20620d: 20 mm | F: 25 mm | B: 32 mm | Mass: 0.044 kg
IM 19025d: 25 mm | F: 30 mm | B: 27.5 mm | Mass: 0.042 kg
IM 20625d: 25 mm | F: 30 mm | B: 32 mm | Mass: 0.052 kg
IM 19030d: 30 mm | F: 35 mm | B: 27.5 mm | Mass: 0.053 kg
IM 20630d: 30 mm | F: 35 mm | B: 32 mm | Mass: 0.061 kg
IM 19035d: 35 mm | F: 40 mm | B: 27.5 mm | Mass: 0.063 kg
IM 20635d: 35 mm | F: 40 mm | B: 32 mm | Mass: 0.072 kg
IM 19040d: 40 mm | F: 45 mm | B: 27.5 mm | Mass: 0.069 kg
IM 20640d: 40 mm | F: 45 mm | B: 32 mm | Mass: 0.080 kg
IM 19045d: 45 mm | F: 50 mm | B: 30.5 mm | Mass: 0.085 kg
IM 20645d: 45 mm | F: 50 mm | B: 35 mm | Mass: 0.096 kg
BIC 1012d: 12 mm | F: 17.6 mm | B: 15 mm | Mass: 0.016 kg
BIP 1012d: 12 mm | F: 17.6 mm | B: 20 mm | Mass: 0.020 kg
BIC 1015d: 15 mm | F: 20.8 mm | B: 15 mm | Mass: 0.018 kg
BIC 2015d: 15 mm | F: 22.1 mm | B: 22 mm | Mass: 0.035 kg
BIC 1017d: 17 mm | F: 23.9 mm | B: 15 mm | Mass: 0.026 kg
BIC 1020d: 20 mm | F: 28.7 mm | B: 18 mm | Mass: 0.046 kg
BIC 2020d: 20 mm | F: 28.7 mm | B: 22 mm | Mass: 0.056 kg
BIP 1020d: 20 mm | F: 28.7 mm | B: 22 mm | Mass: 0.056 kg
BIC 1025d: 25 mm | F: 33.5 mm | B: 18 mm | Mass: 0.054 kg
BIC 2025d: 25 mm | F: 33.5 mm | B: 22 mm | Mass: 0.065 kg
BIC 22025d: 25 mm | F: 33.5 mm | B: 30 mm | Mass: 0.500 kg
BIG 2025d: 25 mm | F: 33.5 mm | B: 32 mm | Mass: 0.095 kg
BIK 2025d: 25 mm | F: 33.5 mm | B: 42 mm | Mass: 0.125 kg
BIC 1030d: 30 mm | F: 38.2 mm | B: 18 mm | Mass: 0.060 kg
BIC 2030d: 30 mm | F: 38.2 mm | B: 22 mm | Mass: 0.074 kg
BIC 3030d: 30 mm | F: 44.0 mm | B: 30 mm | Mass: 0.188 kg
BIG 2030d: 30 mm | F: 38.2 mm | B: 32 mm | Mass: 0.108 kg
BIG 3030d: 30 mm | F: 44.0 mm | B: 40 mm | Mass: 0.247 kg
BIC 1035d: 35 mm | F: 44.0 mm | B: 18 mm | Mass: 0.077 kg
BIC 2035d: 35 mm | F: 44.0 mm | B: 22 mm | Mass: 0.093 kg
BIG 2035d: 35 mm | F: 44.0 mm | B: 32 mm | Mass: 0.135 kg
BIC 1040d: 40 mm | F: 49.7 mm | B: 18 mm | Mass: 0.094 kg
BIC 2040d: 40 mm | F: 49.7 mm | B: 22 mm | Mass: 0.115 kg
BIC 3040d: 40 mm | F: 55.4 mm | B: 36 mm | Mass: 0.321 kg
BIG 2040d: 40 mm | F: 49.7 mm | B: 32 mm | Mass: 0.170 kg
BIP 1040d: 40 mm | F: 49.7 mm | B: 22 mm | Mass: 0.115 kg
BIC 1045d: 45 mm | F: 55.4 mm | B: 18 mm | Mass: 0.113 kg
BIC 2045d: 45 mm | F: 55.4 mm | B: 22 mm | Mass: 0.139 kg
BIC 3045d: 45 mm | F: 62.1 mm | B: 38 mm | Mass: 0.422 kg
BIG 2045d: 45 mm | F: 55.4 mm | B: 32 mm | Mass: 0.210 kg
BIC 1050d: 50 mm | F: 62.1 mm | B: 20 mm | Mass: 0.163 kg
BIC 11050d: 50 mm | F: 62.1 mm | B: 24 mm | Mass: 0.196 kg
BIC 2050d: 50 mm | F: 62.1 mm | B: 28 mm | Mass: 0.228 kg
BIC 3050d: 50 mm | F: 68.8 mm | B: 38 mm | Mass: 0.515 kg
BIG 2050d: 50 mm | F: 62.1 mm | B: 38 mm | Mass: 0.312 kg
BIP 1050d: 50 mm | F: 62.1 mm | B: 28 mm | Mass: 0.228 kg
BIC 1055d: 55 mm | F: 68.8 mm | B: 20 mm | Mass: 0.205 kg
BIC 3055d: 55 mm | F: 72.6 mm | B: 38 mm | Mass: 0.525 kg
BICG 3055d: 55 mm | F: 72.6 mm | B: 48 mm | Mass: 0.660 kg
BIG 2055d: 55 mm | F: 68.8 mm | B: 38 mm | Mass: 0.390 kg
BIP 1055d: 55 mm | F: 68.8 mm | B: 28 mm | Mass: 0.288 kg
BIC 2060d: 60 mm | F: 72.6 mm | B: 28 mm | Mass: 0.282 kg
BIC 3060d: 60 mm | F: 78.3 mm | B: 38 mm | Mass: 0.583 kg
BICG 2060d: 60 mm | F: 72.6 mm | B: 38 mm | Mass: 0.385 kg
BIG 2060d: 60 mm | F: 72.6 mm | B: 38 mm | Mass: 0.385 kg
BIC 3065d: 65 mm | F: 83.1 mm | B: 38 mm | Mass: 0.623 kg
BIG 2065d: 65 mm | F: 78.3 mm | B: 38 mm | Mass: 0.437 kg
BIC 3070d: 70 mm | F: 88.0 mm | B: 38 mm | Mass: 0.662 kg
BIG 3070d: 70 mm | F: 88.0 mm | B: 48 mm | Mass: 0.820 kg
BIK 3070d: 70 mm | F: 88.0 mm | B: 58 mm | Mass: 1.010 kg
BIC 2075d: 75 mm | F: 88.0 mm | B: 32 mm | Mass: 0.410 kg
BIG 2075d: 75 mm | F: 88.0 mm | B: 42 mm | Mass: 0.538 kg
BIK 3075d: 75 mm | F: 96.0 mm | B: 58 mm | Mass: 1.260 kg
BIC 1080d: 80 mm | F: 96.0 mm | B: 24 mm | Mass: 0.410 kg
BIC 2080d: 80 mm | F: 96.0 mm | B: 32 mm | Mass: 0.545 kg
BIC 3080d: 80 mm | F: 99.5 mm | B: 38 mm | Mass: 0.805 kg
BIG 2080d: 80 mm | F: 96.0 mm | B: 42 mm | Mass: 0.714 kg
BIC 2090d: 90 mm | F: 104.7 mm | B: 32 mm | Mass: 0.531 kg
BIC 3090d: 90 mm | F: 109.1 mm | B: 43 mm | Mass: 0.990 kg
BIG 3090d: 90 mm | F: 109.1 mm | B: 53 mm | Mass: 1.220 kg
BIK 3090d: 90 mm | F: 109.1 mm | B: 63 mm | Mass: 1.480 kg
BIC 2095d: 95 mm | F: 109.1 mm | B: 32 mm | Mass: 0.548 kg
BIC 3095d: 95 mm | F: 114.7 mm | B: 43 mm | Mass: 1.075 kg
BIK 3095d: 95 mm | F: 114.7 mm | B: 63 mm | Mass: 1.585 kg
BIC 3100d: 100 mm | F: 119.2 mm | B: 43 mm | Mass: 1.090 kg
BIG 2100d: 100 mm | F: 114.7 mm | B: 42 mm | Mass: 0.800 kg
BIC 2105d: 105 mm | F: 119.2 mm | B: 32 mm | Mass: 0.615 kg
BIG 3105d: 105 mm | F: 124.7 mm | B: 55 mm | Mass: 1.505 kg
BIC 2110d: 110 mm | F: 124.7 mm | B: 34 mm | Mass: 0.705 kg
BIG 2110d: 110 mm | F: 124.7 mm | B: 44 mm | Mass: 0.920 kg
BICG 2125d: 125 mm | F: 142.5 mm | B: 44 mm | Mass: 1.340 kg
BIG 2125d: 125 mm | F: 142.5 mm | B: 44 mm | Mass: 1.325 kg
BIC 3130d: 130 mm | F: 158.0 mm | B: 52 mm | Mass: 2.530 kg

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