6008-2RS1/GJN - SKF Deep Groove Radial Ball Bearings - 40x68x15mm 31.75x50.8x27.762mm Spherical Plain Bearing The bearing's dimensions are 4x8

The bearing's dimensions are 4x8

FC 45 DEC 1045-45DECG 7 Self Lube Cast Iron Flange Bearing Unit 45mm Shaft Diameter Eccentric collar lock with extended inner ring Bearing Insert Casting Group

The bearing's dimensions are 55x120x49

This 7021ACD/P4AQBCA bearing is a Super Precision angular contact bearing with a 25° contact angle and a high capacity design

6008-2RS1/GJN - SKF Deep Groove Radial Ball Bearings - 40x68x15mm 31.75x50.8x27.762mm Spherical Plain Bearing The bearing's dimensions are 4x860 08 2rs1 gjn Metric, Extra Light 40mm Bore Size Rubber Seals on Both Sides of Bearing Steel Cage Normal Internal Clearance Grease with a polyurea thickener of consistency 2 to the NLGI scale for a temperature range 30C to +150C