SKF QJ1252MA bearing

SKF QJ1252MA, Size: 260x480x90. SKF QJ1252MA 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 1252 MA

Bearing number : QJ 1252 MA

Size (mm) : 260x480x90

Brand : SKF

Bore Diameter (mm) : 260

Outer Diameter (mm) : 480

Width (mm) : 90

Bearing dimensions and specification in SKF catalogue:

d - 260 mm

D - 480 mm

B - 90 mm

d₁ - - 345 mm

D₁ - - 395 mm

a - 370 mm

r_1,2 - min. - 5 mm

d_a - min. - 282 mm

D_a - max. - 458 mm

r_a - max. - 4 mm

Basic dynamic load rating - C - 741 kN

Basic static load rating - C₀ - 1460 kN

Fatigue load limit - P_u - 32 kN

Reference speed - 1300 r/min

Limiting speed - 2200 r/min

Calculation factor - k_a - 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 - 78.5 kg

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