INA RNA4909-2RSR-XL Needle Roller Bearing without Inner Ring
Bore diameter52 mm Outer diameter68 mm Overall width22 mm Bore typeCylindrical Cage materialSteel Full complementNo Lubrication holeNo Precision classClass normal (P0) Seal typeContact seal on both sides Radial internal clearanceCN Weight (kg)0.197000
ABB Switching Protection & Accessories 1SCA151254R1001
ABB Switching Protection & Accessories 1SCA151419R1001 
