NSK 3304 BTNG Angular Contact Ball Bearing
Bore diameter20 mm Outer diameter52 mm Overall width22.2 mm Bore typeCylindrical Cage materialPolymer Contact angle40 ° Precision classClass normal (P0) Radial internal clearanceCN Seal typeOpen Weight (kg)0.220000
ABB Switching Protection & Accessories 1SCA151254R1001 
