New! USA Made Triumph Closed End Layshaft Needle Bearing. These new Koyo Torrington bearings are the highest quality needle bearings you can install in your Triumph! Made right here in the USA! Fits all Triumph 650 & 750 Unit models (Bonneville, TR6, T120TT, T120C, T140, TR7, Tiger, TR6C & Trophy) from 1963-1983. Fits Triumph 350 & 500 Unit models (T100, T100A, T100R, T100SS, T100C & TR5) from 1961-1974. Also fits many Triumph & BSA Rocket III/Trident models. Please refer to your parts catalog for proper fitment.*Please note that this open end bearing will work only on Pre-Unit models using the “Slick shift” mechanism in the gearbox.*Made in the USAO.E.M Part number is 57-1606