The timing side crankshaft metric ball bearing as fitted to Triumph 650 and 750 twins from 1971-1980 was known to fail due to the size and smaller ball diameter. This failure was usually caused from stress and load. To fix that problem you can install this 3-piece roller bearing.
Roller bearings are known to take a substantially higher load and stress than a deep groove ball bearing. Comes with a streel cage - CN clearance This bearing is made in Japan by NSK Bearings - replaces Triumph part number 60-7362 and D7362.
Can be retro-fitted to all Triumph 650 and 750 twins from 1971 and on which include the T120R, TR6, T140, TR7, etc. Check your parts book to ensure the best fitment.