1960 G5 Gearbox Bearing

Information relating to the Matchless G5 or AJS Model 8 350cc Lightweight
Posts: 5
Joined: Thu Jun 18, 2020 2:22 pm
Location: Hertfordshire UK

1960 G5 Gearbox Bearing

Postby beebike91 » Thu Jul 30, 2020 7:44 pm

Hi, I need to replace the roller bearing for the main gearbox output shaft. The bearing I've removed is an SKF 2nu05 which has a modern equivalent of RNU205. The problem is the early bearing has a roller length of 6mm and the later replacement has rollers of 9mm which get "jammed" when assembled. Has anybody been able to obtain a bearing with the narrower rollers or been able to overcome the problem in some way.

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