Tapered roller bearings 557S/552A

Bearing number : 557S/552A

Size (mm) : 53.975x123.825x38.1

Brand : NSK

Bore Diameter (mm) : 53,975

Outer Diameter (mm) : 123,825

Width (mm) : 38,1

Bearing dimensions and specification in NSK catalogue:

d - 53,975 mm

D - 123,825 mm

T - 38,1 mm

B - 36,678 mm

C - 30,162 mm

ra1 max. - 3,3 mm

a - 28,8 mm

r min. - 3,5 mm

r1 min. - 3,3 mm

Da - 109 mm

db - 65 mm

ra max. - 3,5 mm

da - 71 mm

Db - 116 mm

Weight - 2,254 Kg

Basic dynamic load rating (C) - 161 kN

Basic static load rating (C0) - 221 kN

(Grease) Lubrication Speed - 3000 r/min

(Oil) Lubrication Speed - 4000 r/min

Calculation factor (e) - 0,35

Calculation factor (Y0) - 0,95

Calculation factor (Y1) - 1,7