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Bearing NU 421 (NSK)

Cylindrical roller bearings NU 421

Bearing number : NU 421

Brand : NSK

Bore Diameter (mm) : 105

Outer Diameter (mm) : 220,5

Bearing dimensions and specification in NSK catalogue:

d - 105 mm

Fw - 144,5 mm

D - 260 mm

Ew - 220,5 mm

B - 60 mm

C - 60 mm

r min. - 4 mm

r1 min. - 4 mm

da min. - 121 mm

ra max. - 3 mm

rb max. - 3 mm

Weight - 17,3 Kg

Basic dynamic load rating (C) - 495 kN

Basic static load rating (C0) - 555 kN

(Grease) Lubrication Speed - 2 400 r/min

(Oil) Lubrication Speed - 3 000 r/min

Tags :  NSK