Bearing QJ 312 MA (SKF)

Angular contact ball bearings, four-point contact ball bearings QJ 312 MA

Bearing number : QJ 312 MA

Size (mm) : 60x130x31

Brand : SKF

Bore Diameter (mm) : 60

Outer Diameter (mm) : 130

Width (mm) : 31

Bearing dimensions and specification in SKF catalogue:

d - 60 mm

D - 130 mm

B - 31 mm

d₁ - - 77 mm

D₁ - - 106 mm

a - 67 mm

r_1,2 - min. - 2.1 mm

d_a - min. - 72 mm

D_a - max. - 118 mm

r_a - max. - 2 mm

Basic dynamic load rating - C - 156 kN

Basic static load rating - C₀ - 137 kN

Fatigue load limit - P_u - 5.8 kN

Reference speed - 6700 r/min

Limiting speed - 9000 r/min

Calculation factor - k_a - 1.1

Calculation factor - e - 0.95

Calculation factor - X - 0.6

Calculation factor - Y₀ - 0.58

Calculation factor - Y₁ - 0.66

Calculation factor - Y₂ - 1.07

Mass bearing - 2.15 kg

Designation

Bore Dia, mm

Outer Dia, mm: