6309-Z - SKF Deep Groove Radial Ball Bearings - 45x100x25mm Protorque SPZ2120 Light Series 15mm - Bore

Light Series 15mm - Bore Size Modified Internal Construction with a 30° Contact Angle Rubber Seals on Both Sides of the Bearing Plastic Cage Normal Internal Clearance

Heavy Series 420mm - Bore Size High Capacity Design Brass Cage

CFE 30-2 B UU R Eccentric Type Size High Carbon Steel Cage Type Hexagon Socket Sealed Type Crowned Outer Ring

This SLFE25A bearing is a Pressed Steel Flange Bearing Unit with unit fitted with set screw lock insert with flush inner ring on one side

6309-Z - SKF Deep Groove Radial Ball Bearings - 45x100x25mm Protorque SPZ2120 Light Series 15mm - Bore63 09 z Metric, Medium 45mm Bore Size Single Metal Shield on One Side Steel Cage Normal Internal Clearance