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					Originally Posted by  particlewave
					 
				 
				 
FWIW, I think the roller bearing is superior to any single row ball bearing, ceramic hybrid or not. However, if I replaced my double row bearing, I'd probably favor a double row ceramic hybrid ball bearing over roller. 
Single - roller bearing. 
Double - ceramic hybrid ball bearing. 
			
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Well, in the spirit of FWIW, there is no reason to replace a single row bearing with another single row bearing. LN Engineering offers a ceramic double row retrofit as well as the plain bearing Solution for single row cars. Moreover, there is no objective evidence that pressurized oil feeds extend the IMSB operating lifetimes