Triumph Metric Timing Side Crankshaft Main Bearing 70-3835 60-4167 C3 500 750 NJ306E These new Koyo Torrington bearings

These new Koyo Torrington bearings are the highest quality needle bearings you can install in your Triumph

BSA and Norton models

Machined perfectly flat to ensure an oil tight seal

Also fits BSA B40

correct color wires

Triumph Metric Timing Side Crankshaft Main Bearing 70-3835 60-4167 C3 500 750 NJ306E These new Koyo Torrington bearingsTriumph 650 & 750 Twins Timing Side Metric Main Ball Bearing. Comes with the correct "C3" internal clearance. Install and away you go! Fits Triumph 650 & 750 models (Bonneville, T120, Tiger, TR6, T120V, T140 & TR7) from 1972 1980 that use a metric bearing. Also fits Triumph 350 & 500 Unit Twins (3TA, 5TA, Twenty One, Daytona, T100SS, T100C, T100A, T100T & T90) from 1958 1968 on the "Drive" Side and also various early Norton twin cylinder applications