The bearing is important as it supports the drive-side main journal of the crankshaft. A worn crankshaft bearing will contribute to excessive noise and vibration.
This is a new Triumph 350 500 unit twins drive-side crank bearing for model years 1969-74. This bearing is a roller journal type bearing specified in CN clearance.
The bearing supports the drive-side main journal of the crankshaft and is installed onto the crankshaft. The outer race is an interference fit into the drive-side crankcase bore.
Please refer to your parts catalog for proper fitment.
*****Please note that it is always best to Examine & Inspect your original bearing before choosing a replacement! Check your parts book!*****
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