This SLFE5/8 bearing is a Pressed Steel Flange Bearing Unit
73 20 B TVP Medium Series 100mm - Bore Size Angular Contact with 40° Contact Angle Solid window cage made from glass fibre reinforced polyamide -
This QJ208 bearing is a a four point contact bearings a normal internal clearance
72 11 ACD /P4A DG A Series - Light Bore Size - 55mm 25 Degree Contact Angle Precision Rating Duplex Universal Light Preload
Extreme Condition Bearing Grease 50g Brand Type Size Material Safety & Technical Data Sheets
NU2308-E-M1A - FAG Cylindrical Roller Bearing - 40x90x33mm RHP SNP40A This SLFE5/8 bearing is aThis NU2308 E M1A bearing is a single row cylindrical roller bearing, it has no flanges on the inner ring, an increased capacity design, a two piece solid brass cage, rib guided on outer ring and a normal radial internal clearance. The bearing's dimensions are 40x90x33. NU 23 08 E M1A Two Flanges on Outer Ring and No Flanges on Inner Ring Medium, Wide Series 40mm Bore Size Increased Capacity Design Solid Brass Cage, Two piece, Rib guided on Outer Ring