Description
Clutch Roller Bearing — Cylindrical bearing rollers that sit between the clutch hub center and basket chainwheel, allowing smooth rotation during clutch engagement and disengagement.
Hardened steel, 1/4 inch diameter x 1/4 inch (6mm) length — OEM ref: 57-0394, T394, T0394, 42-3206
Fitment
| Triumph | T100 Tiger, T120 Bonneville, T140 Bonneville, TR6 Trophy, TR7 Trophy, TR6C, T120TT, T120C | 1963-1983 |
| Triumph | 3T, 5T, 6T, TR5, 3TA, 5TA, T90 (pre-unit and unit twins) | 1946-1974 |
| BSA | A50 Royal Star, A50 Star, A50 Cyclone, A65 Lightning, A65 Thunderbolt, A65 Hornet, A65 Spitfire, A65 Firebird (3-spring clutch) | 1966-1972 |
| BSA | A7, A10 (late models) | 1950s-1965 |
Twenty required per clutch assembly
Must be sized to Triumph factory specifications; standard bearing supplier rollers will cause clutch center binding. UK-made versions recommended for proper hardening and dimensional accuracy.
