Bearing QJ 1264 N2MA (SKF)

Angular contact ball bearings, four-point contact ball bearings QJ 1264 N2MA

Bearing number : QJ 1264 N2MA

Size (mm) : 320x580x105

Brand : SKF

Bore Diameter (mm) : 320

Outer Diameter (mm) : 580

Width (mm) : 105

Bearing dimensions and specification in SKF catalogue:

d - 320 mm

D - 580 mm

B - 105 mm

d₁ - - 421 mm

D₁ - - 479 mm

a - 450 mm

h - 15.5 mm

b - 20 mm

r₀ - 3 mm

r_1,2 - min. - 5 mm

d_a - min. - 342 mm

D_a - max. - 558 mm

r_a - max. - 4 mm

Basic dynamic load rating - C - 956 kN

Basic static load rating - C₀ - 2080 kN

Fatigue load limit - P_u - 41.5 kN

Reference speed - 1100 r/min

Limiting speed - 1700 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 - 130 kg

Designation

Bore Dia, mm

Outer Dia, mm: