Main Shaft High Gear Bearing

Information relating to the Matchless G2 or AJS Model 14 250cc Lightweight
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Re: Main Shaft High Gear Bearing

Postby Martin.S » Tue Nov 20, 2018 8:31 pm

" If you try to use a normal RU205 bearing without the inner race provided with it is 1mm too large across the rollers and will not fit (I have one so I know!!) "

Looking at the SKF site they list two RNU205s each with a different loading spec, the simple drawings look as though the rollers are indeed different widths so I have emailed SKF and am waiting for a reply.

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Re: Main Shaft High Gear Bearing

Postby Ozmadman » Tue Nov 20, 2018 11:40 pm

Martin.S wrote:" If you try to use a normal RU205 bearing without the inner race provided with it is 1mm too large across the rollers and will not fit (I have one so I know!!) "

Looking at the SKF site they list two RNU205s each with a different loading spec, the simple drawings look as though the rollers are indeed different widths so I have emailed SKF and am waiting for a reply.

I got mine straight off the simply bearings website https://simplybearings.co.uk/shop/advan ... rds=rnu205
Paul
1960 Model 8
1974 Yamaha RD250B US Model 6 speed

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