6306 ZZC3 - Timken Deep Groove Radial Ball Bearing - 30x72x19mm S7007CEGB/P4A SKF Bearing they can be used for

they can be used for mounting OK couplings

60 30 Deep Groove Ball Bearings 150mm - Bore Size Open Type Normal Radial Internal Clearance

This 6203VV NSK bearing is a Sealed Deep Groove Radial Ball Bearing with a non-contact rubber seal

32 10 A 2RS1 MT33 Maximum Capacity

6306 ZZC3 - Timken Deep Groove Radial Ball Bearing - 30x72x19mm S7007CEGB/P4A SKF Bearing they can be used forThis 6306 ZZC3 bearing is a shielded deep groove ball bearing with a Radial Internal Clearance Greater than Normal. The bearing's dimensions are 30x72x19mm 63 06 ZZ C3 Medium Series 30mm Bore Size Metal Shields on Both Sides of the Bearing Radial Internal Clearance Greater than Normal