OHV/SV Main Bearing - Drive Side Ball Bearing - RHP C3 Fit : Model 1, 16H, 18, ES2.

Product no.: 0242 A2/30

In stock

£110.00
Recommended Retail Price, plus delivery


- Single row ball bearing. Fitted to all pushrod and sidevalve engines (from 1930's to late 1950's). These are original high quality RHP bearings (plastic sealed), in the correct C3 fit - now extremely difficult to find

Update Feb 2021: As previously updated, these OHV/SV ball main bearings - from original manufacturer RHP, in the correect 'looser tolerance' C3 fit are now just as rare as the corresponding SOHC versions, and obsoleteu/unobtainable.  We sold our last stock at the end of 2020.

We are waiting for an update on a small delivery of the correct RHP C3 (with price expected to be @£110 each), but if you wish to reserve one now, please email us on sales@racingvincent.co.uk

It is worth noting that we also have a few of the same bearing from RHP, but in 'standard' fit - this is Item 0733.  This is exactly the same high quality bearing, but it is not quite as 'loose' when new as the C3 fit.  This just means you need to be a little bit more careful when running the bike in, to let them wear in first - so to avoid the bearing spinning in the crankcase bearing housing.  If you think you have a crankcase where the bearing may have previously spun in the housing (and the alloy bearing housing looks slightly grey or worn) - then I would advise paying the extra money and going for the C3 fit listed here - while they are still available.

Failing both options above, we may be able to obtain these bearings from one of the modern lesser brands in the near future - again, email us for details.

Final point on ball and roller main bearings fitted to 1930's/50's OHV and SV engines: Unusually, Norton's showed a roller bearing being fitted on both sides of the crankcases on OHV/SV engines (i.e. 1948 catalog), with a ball bearing fitted just on the outer drive side.  However, I have stripped OHV engines down in the past where a ball bearing is fitted both sides, with just the drive side inner being a roller bearing.  Not sure if it makes a great deal of difference - as like the SOHC engine, the OHV/SV engine was locked to the timing side bearing - but worth noting if you are struggling to find two roller bearings

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