SKF QJ1256N2MA bearing

Bearing QJ 1256 N2MA Bearing QJ 1256 N2MA

SKF QJ1256N2MA bearing, Size: 280x500x90. SKF QJ1256N2MA are used in a wide variety of applications, suitable for high speeds and are robust in operation, and need little maintenance.

Angular contact ball bearings, four-point contact ball bearings QJ 1256 N2MA

Bearing number : QJ 1256 N2MA

Size (mm) : 280x500x90

Brand : SKF

Bore Diameter (mm) : 280

Outer Diameter (mm) : 500

Width (mm) : 90

Bearing dimensions and specification in SKF catalogue:

d - 280 mm

D - 500 mm

B - 90 mm

d1 - - 365 mm

D1 - - 415 mm

a - 390 mm

h - 12.5 mm

b - 15 mm

r0 - 2.5 mm

r1,2 - min. - 5 mm

da - min. - 302 mm

Da - max. - 478 mm

ra - max. - 4 mm

Basic dynamic load rating - C - 728 kN

Basic static load rating - C0 - 1460 kN

Fatigue load limit - Pu - 31.5 kN

Reference speed - 1300 r/min

Limiting speed - 2000 r/min

Calculation factor - ka - 0.9

Calculation factor - e - 1.34

Calculation factor - X - 0.54

Calculation factor - Y0 - 0.44

Calculation factor - Y1 - 0.47

Calculation factor - Y2 - 0.81

Mass bearing - 82 kg

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