Most reels which have a center spool shaft bearing held on by a removable pin will use this size bearing. 

*Available in Spool Speed SS Ceramic, XS Ceramic with Japanese ribbon style retainer and SS no friction seals, the XP Hi-Precision and the new XCR Ultra, the highest quality ABEC9 rated fishing reel bearing on the planet!

*Available in: 

SS Ceramic- Our original ABEC5 Ceramic that has been in service for many years

XS Ceramic- Stainless Steel sealed ABEC7 Ceramic with ribbon retainers and S20 Ceramic balls

XP Ceramic- Open Hi-Performance ABEC9 Ceramic with Japanese ribbon retainers and S25 Ceramic balls

XCR Ultra- The highest level Performance Bearings available in a fishing reel. ABEC9 With S30 Ceramic balls and PEEK Polyether Ether Ketone ribbon cage/retainer