D-12, Thrust Ball Bearing Bore Size 1 3/16 in Small Bore Diameter (A) Tolerance +0.005 in +0.007 in Large Bore Diameter (A') 1 1/4 in Large Bore Diameter (A') Tolerance ± 0.005 in Outside Diameter 2 3/32 in Outside Diameter (B) Tolerance ± 0.010 in Height (H) 5/8 in Height (H) Tolerance ± 0.005 in Ball Diameter 5/16 in Max. Fillet Radius2 0.030 in Bearing Weight 0.29 lbs Thrust Load Capacity (Static) 11095 lbs Thrust Load Capacity (at 500 rpm) 1545 lbs Max. Permissible Speed 2605 rpm Bearing Number D-12 Interchange / Equivalent: E-12 Aetna, D-12 INA, D-12 Consolidated, D-12 MPB