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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Oilite or Lead-bronze bushes on Girdraulic, timing and RFM?
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<blockquote data-quote="Howard" data-source="post: 32346" data-attributes="member: 271"><p>Good question Vince. Answers vary from "How long's a piece of string" to "It lasts the life of the bush". The lube is only used when the bush is working (heat or pressure) I've used Oilites working 8,750 hours/year, that's 250,000 miles at 30 mph. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p></p><p>Oilites are a cheap effective way of providing a maintenance free bearing, for low impact loads. I've used them in lots of designs, and sold more than I can remember with no problems. Fit and forget, until they wear, then repace them for a couple of pounds. You can relubricate them, but that's not what they're intended for. If you're fitting NOS Oilites, soak them in oil overnight first.</p><p></p><p>I personally wouldn't use oilites in Girdraulics, shock loads can cause them to break or crumble. "Proper" bronze bushes with grease grooves would be better, but the right grade of nylon or one of the Nylatron bearing materials is probably the best option now.</p><p></p><p>These are just my opinions, based on 40+ years designing (amongst other things) low tech sewage and water treatment machines that run 24/7/52, but I'm sure someone will tell me I'm talking through my hat.</p><p></p><p><a href="http://www.nskamericas.com/cps/rde/xbcr/na_en/CNSK_Oilite.pdf" target="_blank">http://www.nskamericas.com/cps/rde/xbcr/na_en/CNSK_Oilite.pdf</a></p><p></p><p>H</p></blockquote><p></p>
[QUOTE="Howard, post: 32346, member: 271"] Good question Vince. Answers vary from "How long's a piece of string" to "It lasts the life of the bush". The lube is only used when the bush is working (heat or pressure) I've used Oilites working 8,750 hours/year, that's 250,000 miles at 30 mph. :) Oilites are a cheap effective way of providing a maintenance free bearing, for low impact loads. I've used them in lots of designs, and sold more than I can remember with no problems. Fit and forget, until they wear, then repace them for a couple of pounds. You can relubricate them, but that's not what they're intended for. If you're fitting NOS Oilites, soak them in oil overnight first. I personally wouldn't use oilites in Girdraulics, shock loads can cause them to break or crumble. "Proper" bronze bushes with grease grooves would be better, but the right grade of nylon or one of the Nylatron bearing materials is probably the best option now. These are just my opinions, based on 40+ years designing (amongst other things) low tech sewage and water treatment machines that run 24/7/52, but I'm sure someone will tell me I'm talking through my hat. [URL]http://www.nskamericas.com/cps/rde/xbcr/na_en/CNSK_Oilite.pdf[/URL] H [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Oilite or Lead-bronze bushes on Girdraulic, timing and RFM?
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