NU421-M single row Cylindrical roller bearing
NU421-M single row Cylindrical roller bearing detail Specifications:
Material : 52100 Chrome Steel
Construction : Single Row
Seal Type : open type
Cage : Brass Cage
Cage Material : Brass
Limiting Speed : 3150 rpm
Packing : Industrial packing or single box packing
Weight : 17.40 kg
Main Dimensions:
Bore diameter (d) : 105 mm
Outer diameter ( D) : 260 mm
Width (B) : 60 mm
Chamfer dimension (r) min. : 4.0 mm
Chamfer dimension (r1) min. : 4.0 mm
Permissible axial displacement (S ) max. : 5.7 mm
Raceway diameter of inner ring (F) : 144.50 mm
Dynamic load ratings (Cr) : 549.00 KN
Static load ratings (Cor) : 531.00 KN
ABUTMENT DIMENSIONS
Diameter shaft shoulder (da) min. : 125 mm
Diameter shaft shoulder (da) max. : 143 mm
Minimum shaft shoulder (Db) min. : 147 mm
Diameter of housing shoulder (Da) max. : 240 mm
Maximum recess radius (ra) max : 3.0 mm
Maximum recess radius (ra1) max : 3.0 mm
