Triumph / BSA Crankshaft Main (Ball) Bearing (1) - 70-1591 - Choose Bearing Type Brand - Part # - Clearance Rating - Application:RHP (England) - #70-1591 / 67-1240 (C3) (Triumph 650 Unit & Pre-Unit To 1971 - BSA A50 / A65 1962-65) Tiger & TR6C) for the

Tiger & TR6C) for the year of 1970 only

Please check your bore and piston to determine the ring size you need

4" eye-to-eye with a 100lb spring along with a 3/8" top and bottom bushing

Also fits many Triumph & BSA Rocket III/Trident models

original length

Triumph / BSA Crankshaft Main (Ball) Bearing (1) - 70-1591 - Choose Bearing Type Brand - Part # - Clearance Rating - Application:RHP (England) - #70-1591 / 67-1240 (C3) (Triumph 650 Unit & Pre-Unit To 1971 - BSA A50 / A65 1962-65) Tiger & TR6C) for theToday we would like to offer you new RHP crankshaft ball bearings for both Triumph & BSA twins. To be clear, we offer 2 types of ball bearings with the CN & C3 racing for 2 different applications both bearing measure the same @ 1. 1250" (ID), 2. 8125" (OD) & . 8125" (wide) "C3" crankshaft ball bearings fitted to Triumph 650 unit twins on both the drive side and timing side from 1963 1965 and also Triumph 500 & 650 pre unit twins on both sides. BSA A50