Triumph 650 750 Main Bearings
Genuine English made bearings are the best choice for any Triumph rebuild. All of our bearings are in sealed factory packaging and should not be removed until ready for installation. For applications please see below.
Bearings are graded by numbers to designate the internal clearance.
Ball bearings generally are supplied in C3 condition, but roller bearings are supplied in CN (normal), C2 (less than normal), and C3 (more than normal) clearances.
Main bearings used by year and model
|engine||Timing side||Drive side|
|500 to 1954||70-1592||70-1591|
|650 to 1954||70-1592||70-1591|
|650 1972-73||70-3835 (metric)||70-2879|
|750 1973-76||70-3835 (metric)||70-2879|
|750 1977-80||70-3835 (metric)||70-2879 C2|
For any other bearing requirements please contact the shop.