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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Lipped Main Bearings
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<blockquote data-quote="oexing" data-source="post: 120030" data-attributes="member: 1493"><p>Now that would be a story of poor planning: In the factory you´d shrink in the valve gear shafts at around 200 degrees C , same with seat rings in the heads. And only later you´d get the main bearings and other bearings to drop in the cases at 120 degrees max. in correctly bored places, no chance for spindles to drop out at these lower temps. I´d think the staking above was from thoughtlessnes,no real need to do so. </p><p> When starting with my B-Rapides reconstruction I could not find lipped roller bearings with rollers contained in outer races and the lips on the inner races or plain inner races. Seems this type was never common with imperial sizes. So it was an easy step for me to go all metric on most components as I wanted to do as I did with other engines and roller bearings as mentioned. And no, staking no question here. </p><p></p><p> Vic</p><p>[ATTACH=full]34473[/ATTACH]</p><p></p><p>[ATTACH=full]34474[/ATTACH]</p><p></p><p>[ATTACH=full]34476[/ATTACH]</p></blockquote><p></p>
[QUOTE="oexing, post: 120030, member: 1493"] Now that would be a story of poor planning: In the factory you´d shrink in the valve gear shafts at around 200 degrees C , same with seat rings in the heads. And only later you´d get the main bearings and other bearings to drop in the cases at 120 degrees max. in correctly bored places, no chance for spindles to drop out at these lower temps. I´d think the staking above was from thoughtlessnes,no real need to do so. When starting with my B-Rapides reconstruction I could not find lipped roller bearings with rollers contained in outer races and the lips on the inner races or plain inner races. Seems this type was never common with imperial sizes. So it was an easy step for me to go all metric on most components as I wanted to do as I did with other engines and roller bearings as mentioned. And no, staking no question here. Vic [ATTACH type="full"]34473[/ATTACH] [ATTACH type="full"]34474[/ATTACH] [ATTACH type="full"]34476[/ATTACH] [/QUOTE]
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Forums: Public Access
Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Lipped Main Bearings
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