70.00mm overall width 70.00mm bore diameter noise tested to be super quiet; pair of bearings matched for duplex tandem mounting 92a non-loading groove, non-separable, tandem mounting
0.3770" overall width 0.7498" bore diameter 1 shield on outside each bearing when mounted; pair of bearings ground for universal mtg 92c counterbored outer rings, non-separable, face to face mounting
1.3230" outside diameter 0.5800" overall width 0.9850" bore diameter hardness RB60 ; cunterbore dia 1.1600 in. min 1.1700 in. max; od surface roughness 40 microinches