• KOYO Drawn Cup Roller Clutches & Clutch-Bearing Assemblies
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KOYO Drawn Cup Roller Clutches & Clutch-Bearing Assemblies

KOYO Drawn Cup Roller Clutches & Clutch-Bearing Assemblies

Drawn cup roller clutches (one-way clutches) in metric (FC, FCS, FCL-K) and inch (RC) series, clutch and bearing assemblies (FCB, FCBL-K, FCBN-K, RCB) and clutches for plastic housings (FCP).

Key features

  • Transmit torque in one direction, overrun in the other
  • Compact drawn cup press-fit design
  • Clutch and bearing assemblies carry radial load
  • Stainless steel springs in K types
  • Metric and inch series

Specifications

Product type Drawn cup roller clutch
Series FC, FCS, FCL-K, FCB, FCBN-K, RC, RCB, FCP
Mounting Press fit into housing
Source KOYO Needle Roller Bearings catalogue, p. B-3-10 to B-3-16
FC-4-K Type: Clutch | Fw: 4 mm | D: 8 mm | Width C: 6 mm | Torque rating: 0.349 N.m
FCS-6 Type: Clutch | Fw: 6 mm | D: 10 mm | Width C: 12 mm | Torque rating: 2.15 N.m
FC-6 Type: Clutch | Fw: 6 mm | D: 10 mm | Width C: 12 mm | Torque rating: 2.63 N.m
FCL-8-K Type: Clutch | Fw: 8 mm | D: 12 mm | Width C: 12 mm | Torque rating: 3.39 N.m
FC-8 Type: Clutch | Fw: 8 mm | D: 14 mm | Width C: 12 mm | Torque rating: 4.42 N.m
FCL-10-K Type: Clutch | Fw: 10 mm | D: 14 mm | Width C: 12 mm | Torque rating: 4.60 N.m
FC-10 Type: Clutch | Fw: 10 mm | D: 16 mm | Width C: 12 mm | Torque rating: 5.82 N.m
FC-12 Type: Clutch | Fw: 12 mm | D: 18 mm | Width C: 16 mm | Torque rating: 14.0 N.m
FC-16 Type: Clutch | Fw: 16 mm | D: 22 mm | Width C: 16 mm | Torque rating: 21.7 N.m
FC-20 Type: Clutch | Fw: 20 mm | D: 26 mm | Width C: 16 mm | Torque rating: 32.6 N.m
FC-25 Type: Clutch | Fw: 25 mm | D: 32 mm | Width C: 20 mm | Torque rating: 71.0 N.m
FC-30 Type: Clutch | Fw: 30 mm | D: 37 mm | Width C: 20 mm | Torque rating: 99.1 N.m
FCS-35 Type: Clutch | Fw: 35 mm | D: 42 mm | Width C: 20 mm | Torque rating: 107.0 N.m
RC-02 Type: Clutch | Fw: 3.18 mm | D: 7.14 mm | Width C: 6.35 mm | Torque rating: 0.323 N.m
RC-040708 Type: Clutch | Fw: 6.35 mm | D: 11.13 mm | Width C: 12.70 mm | Torque rating: 1.94 N.m
RC-061008 Type: Clutch | Fw: 9.53 mm | D: 15.88 mm | Width C: 12.70 mm | Torque rating: 5.45 N.m
RC-081208 Type: Clutch | Fw: 12.70 mm | D: 19.05 mm | Width C: 12.70 mm | Torque rating: 8.85 N.m
RC-101410 Type: Clutch | Fw: 15.88 mm | D: 22.23 mm | Width C: 15.88 mm | Torque rating: 16.8 N.m
RC-121610 Type: Clutch | Fw: 19.05 mm | D: 25.40 mm | Width C: 15.88 mm | Torque rating: 23.3 N.m
RC-162110 Type: Clutch | Fw: 25.40 mm | D: 33.35 mm | Width C: 15.88 mm | Torque rating: 49.6 N.m
FCBN-4-K Type: Clutch and bearing assembly | Fw: 4 mm | D: 10 mm | Width C: 9 mm | Torque rating: 0.19 N.m
FCBN-6-K Type: Clutch and bearing assembly | Fw: 6 mm | D: 12 mm | Width C: 10 mm | Torque rating: 0.56 N.m
FCBL-8-K Type: Clutch and bearing assembly | Fw: 8 mm | D: 12 mm | Width C: 22 mm | Torque rating: 3.39 N.m
FCB-8 Type: Clutch and bearing assembly | Fw: 8 mm | D: 14 mm | Width C: 20 mm | Torque rating: 4.42 N.m
FCB-10 Type: Clutch and bearing assembly | Fw: 10 mm | D: 16 mm | Width C: 20 mm | Torque rating: 5.82 N.m
FCB-12 Type: Clutch and bearing assembly | Fw: 12 mm | D: 18 mm | Width C: 26 mm | Torque rating: 14.0 N.m
FCB-16 Type: Clutch and bearing assembly | Fw: 16 mm | D: 22 mm | Width C: 26 mm | Torque rating: 21.7 N.m
FCB-20 Type: Clutch and bearing assembly | Fw: 20 mm | D: 26 mm | Width C: 26 mm | Torque rating: 32.6 N.m
FCB-25 Type: Clutch and bearing assembly | Fw: 25 mm | D: 32 mm | Width C: 30 mm | Torque rating: 71.0 N.m
FCB-30 Type: Clutch and bearing assembly | Fw: 30 mm | D: 37 mm | Width C: 30 mm | Torque rating: 99.1 N.m
DF-500401 Type: Clutch for plastic housing, | D: 8 mm | Width C: 6 mm | Torque rating: 0.13 N.m
DF-500408 Type: Clutch for plastic housing, CW | D: 8 mm | Width C: 6 mm | Torque rating: 0.13 N.m
DF-500609 Type: Clutch for plastic housing, | D: 10 mm | Width C: 8 mm | Torque rating: 0.44 N.m
DF-500610 Type: Clutch for plastic housing, CW | D: 10 mm | Width C: 8 mm | Torque rating: 0.44 N.m
FCP-6 Type: Clutch for plastic housing, | D: 12 mm | Width C: 11 mm | Torque rating: 0.10 N.m
FCPC-6 Type: Clutch for plastic housing, CW | D: 12 mm | Width C: 11 mm | Torque rating: 0.10 N.m
FCP-6H Type: Clutch for plastic housing, | D: 12 mm | Width C: 11 mm | Torque rating: 0.90 N.m
FCPC-6H Type: Clutch for plastic housing, CW | D: 12 mm | Width C: 11 mm | Torque rating: 0.90 N.m
DF-500808 Type: Clutch for plastic housing, | D: 12 mm | Width C: 8 mm | Torque rating: 0.50 N.m
DF-500809 Type: Clutch for plastic housing, CW | D: 12 mm | Width C: 8 mm | Torque rating: 0.50 N.m
FCP-8 Type: Clutch for plastic housing, | D: 12 mm | Width C: 12 mm | Torque rating: 0.21 N.m
FCPC-8 Type: Clutch for plastic housing, CW | D: 12 mm | Width C: 12 mm | Torque rating: 0.21 N.m
FCP-8H Type: Clutch for plastic housing, | D: 12 mm | Width C: 12 mm | Torque rating: 1.67 N.m
FCPC-8H Type: Clutch for plastic housing, CW | D: 12 mm | Width C: 12 mm | Torque rating: 1.67 N.m
DF-500804 Type: Clutch for plastic housing, | D: 12 mm | Width C: 12 mm | Torque rating: 1.67 N.m
FCP-10 Type: Clutch for plastic housing, | D: 14 mm | Width C: 12 mm | Torque rating: 0.28 N.m
FCPC-10 Type: Clutch for plastic housing, CW | D: 14 mm | Width C: 12 mm | Torque rating: 0.28 N.m
FCP-10H Type: Clutch for plastic housing, | D: 14 mm | Width C: 12 mm | Torque rating: 2.26 N.m
FCPC-10H Type: Clutch for plastic housing, CW | D: 14 mm | Width C: 12 mm | Torque rating: 2.26 N.m
Needle Roller BearingsKOYO
49 product codes available in this family
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KOYO Drawn Cup Roller Clutches & Clutch-Bearing Assemblies

Brand KOYO·Needle Roller Bearings

Available part numbers (49)

FC-4-K, FCS-6, FC-6, FCL-8-K, FC-8, FCL-10-K, FC-10, FC-12, FC-16, FC-20 + 39 more — see full table ↓

How to order

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Product codes & specifications
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Product codeSpec
FC-4-KType: Clutch | Fw: 4 mm | D: 8 mm | Width C: 6 mm | Torque rating: 0.349 N.m
FCS-6Type: Clutch | Fw: 6 mm | D: 10 mm | Width C: 12 mm | Torque rating: 2.15 N.m
FC-6Type: Clutch | Fw: 6 mm | D: 10 mm | Width C: 12 mm | Torque rating: 2.63 N.m
FCL-8-KType: Clutch | Fw: 8 mm | D: 12 mm | Width C: 12 mm | Torque rating: 3.39 N.m
FC-8Type: Clutch | Fw: 8 mm | D: 14 mm | Width C: 12 mm | Torque rating: 4.42 N.m
FCL-10-KType: Clutch | Fw: 10 mm | D: 14 mm | Width C: 12 mm | Torque rating: 4.60 N.m
FC-10Type: Clutch | Fw: 10 mm | D: 16 mm | Width C: 12 mm | Torque rating: 5.82 N.m
FC-12Type: Clutch | Fw: 12 mm | D: 18 mm | Width C: 16 mm | Torque rating: 14.0 N.m
FC-16Type: Clutch | Fw: 16 mm | D: 22 mm | Width C: 16 mm | Torque rating: 21.7 N.m
FC-20Type: Clutch | Fw: 20 mm | D: 26 mm | Width C: 16 mm | Torque rating: 32.6 N.m
FC-25Type: Clutch | Fw: 25 mm | D: 32 mm | Width C: 20 mm | Torque rating: 71.0 N.m
FC-30Type: Clutch | Fw: 30 mm | D: 37 mm | Width C: 20 mm | Torque rating: 99.1 N.m
FCS-35Type: Clutch | Fw: 35 mm | D: 42 mm | Width C: 20 mm | Torque rating: 107.0 N.m
RC-02Type: Clutch | Fw: 3.18 mm | D: 7.14 mm | Width C: 6.35 mm | Torque rating: 0.323 N.m
RC-040708Type: Clutch | Fw: 6.35 mm | D: 11.13 mm | Width C: 12.70 mm | Torque rating: 1.94 N.m
RC-061008Type: Clutch | Fw: 9.53 mm | D: 15.88 mm | Width C: 12.70 mm | Torque rating: 5.45 N.m
RC-081208Type: Clutch | Fw: 12.70 mm | D: 19.05 mm | Width C: 12.70 mm | Torque rating: 8.85 N.m
RC-101410Type: Clutch | Fw: 15.88 mm | D: 22.23 mm | Width C: 15.88 mm | Torque rating: 16.8 N.m
RC-121610Type: Clutch | Fw: 19.05 mm | D: 25.40 mm | Width C: 15.88 mm | Torque rating: 23.3 N.m
RC-162110Type: Clutch | Fw: 25.40 mm | D: 33.35 mm | Width C: 15.88 mm | Torque rating: 49.6 N.m
FCBN-4-KType: Clutch and bearing assembly | Fw: 4 mm | D: 10 mm | Width C: 9 mm | Torque rating: 0.19 N.m
FCBN-6-KType: Clutch and bearing assembly | Fw: 6 mm | D: 12 mm | Width C: 10 mm | Torque rating: 0.56 N.m
FCBL-8-KType: Clutch and bearing assembly | Fw: 8 mm | D: 12 mm | Width C: 22 mm | Torque rating: 3.39 N.m
FCB-8Type: Clutch and bearing assembly | Fw: 8 mm | D: 14 mm | Width C: 20 mm | Torque rating: 4.42 N.m
FCB-10Type: Clutch and bearing assembly | Fw: 10 mm | D: 16 mm | Width C: 20 mm | Torque rating: 5.82 N.m
FCB-12Type: Clutch and bearing assembly | Fw: 12 mm | D: 18 mm | Width C: 26 mm | Torque rating: 14.0 N.m
FCB-16Type: Clutch and bearing assembly | Fw: 16 mm | D: 22 mm | Width C: 26 mm | Torque rating: 21.7 N.m
FCB-20Type: Clutch and bearing assembly | Fw: 20 mm | D: 26 mm | Width C: 26 mm | Torque rating: 32.6 N.m
FCB-25Type: Clutch and bearing assembly | Fw: 25 mm | D: 32 mm | Width C: 30 mm | Torque rating: 71.0 N.m
FCB-30Type: Clutch and bearing assembly | Fw: 30 mm | D: 37 mm | Width C: 30 mm | Torque rating: 99.1 N.m
DF-500401Type: Clutch for plastic housing, | D: 8 mm | Width C: 6 mm | Torque rating: 0.13 N.m
DF-500408Type: Clutch for plastic housing, CW | D: 8 mm | Width C: 6 mm | Torque rating: 0.13 N.m
DF-500609Type: Clutch for plastic housing, | D: 10 mm | Width C: 8 mm | Torque rating: 0.44 N.m
DF-500610Type: Clutch for plastic housing, CW | D: 10 mm | Width C: 8 mm | Torque rating: 0.44 N.m
FCP-6Type: Clutch for plastic housing, | D: 12 mm | Width C: 11 mm | Torque rating: 0.10 N.m
FCPC-6Type: Clutch for plastic housing, CW | D: 12 mm | Width C: 11 mm | Torque rating: 0.10 N.m
FCP-6HType: Clutch for plastic housing, | D: 12 mm | Width C: 11 mm | Torque rating: 0.90 N.m
FCPC-6HType: Clutch for plastic housing, CW | D: 12 mm | Width C: 11 mm | Torque rating: 0.90 N.m
DF-500808Type: Clutch for plastic housing, | D: 12 mm | Width C: 8 mm | Torque rating: 0.50 N.m
DF-500809Type: Clutch for plastic housing, CW | D: 12 mm | Width C: 8 mm | Torque rating: 0.50 N.m
FCP-8Type: Clutch for plastic housing, | D: 12 mm | Width C: 12 mm | Torque rating: 0.21 N.m
FCPC-8Type: Clutch for plastic housing, CW | D: 12 mm | Width C: 12 mm | Torque rating: 0.21 N.m
FCP-8HType: Clutch for plastic housing, | D: 12 mm | Width C: 12 mm | Torque rating: 1.67 N.m
FCPC-8HType: Clutch for plastic housing, CW | D: 12 mm | Width C: 12 mm | Torque rating: 1.67 N.m
DF-500804Type: Clutch for plastic housing, | D: 12 mm | Width C: 12 mm | Torque rating: 1.67 N.m
FCP-10Type: Clutch for plastic housing, | D: 14 mm | Width C: 12 mm | Torque rating: 0.28 N.m
FCPC-10Type: Clutch for plastic housing, CW | D: 14 mm | Width C: 12 mm | Torque rating: 0.28 N.m
FCP-10HType: Clutch for plastic housing, | D: 14 mm | Width C: 12 mm | Torque rating: 2.26 N.m
FCPC-10HType: Clutch for plastic housing, CW | D: 14 mm | Width C: 12 mm | Torque rating: 2.26 N.m

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