INSIDE DIAMETER (MM):8MM OUTSIDE DIAMETER (MM):22MM WIDTH (MM):7MM CAGE TYPE:STEEL SEALS OR SHIELDS:TWO RUBBER SEALS CLEARANCE:STANDARD DYNAMIC LOAD RATING (KN):3.3 STATIC LOAD RATING (KN):1.4 REFERENCE SPEED RATING (R/MIN):39000 LIMITING SPEED RATING (R/MIN):33000