NSK 6455/6420 Bearing Specifications

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Bearing 6455/6420

Bearing number : 6455/6420

Size (mm) : 57.15x149.225x53.975

Brand : NSK

Bore Diameter (mm) : 57,15

Outer Diameter (mm) : 149,225

Width (mm) : 53,975

Bearing dimensions and specification in NSK catalogue:

d - 57,15 mm

D - 149,225 mm

T - 53,975 mm

B - 54,229 mm

C - 44,45 mm

ra1 max. - 3,3 mm

a - 39 mm

r min. - 3,5 mm

r1 min. - 3,3 mm

Da - 129 mm

db - 75 mm

ra max. - 3,5 mm

da - 81 mm

Db - 140 mm

Weight - 5,12 Kg

Basic dynamic load rating (C) - 287 kN

Basic static load rating (C0) - 410 kN

(Grease) Lubrication Speed - 2600 r/min

(Oil) Lubrication Speed - 3400 r/min

Calculation factor (e) - 0,36

Calculation factor (Y0) - 0,91

Calculation factor (Y1) - 1,7

Tags :  NSK , 57.15x149.225x53.975