Bearing QJ 230 N2MA (SKF)

Angular contact ball bearings, four-point contact ball bearings QJ 230 N2MA

Bearing number : QJ 230 N2MA

Size (mm) : 150x270x45

Brand : SKF

Bore Diameter (mm) : 150

Outer Diameter (mm) : 270

Width (mm) : 45

Bearing dimensions and specification in SKF catalogue:

d - 150 mm

D - 270 mm

B - 45 mm

d₁ - - 194 mm

D₁ - - 226 mm

a - 147 mm

h - 11.7 mm

b - 10.5 mm

r₀ - 2 mm

r_1,2 - min. - 3 mm

d_a - min. - 164 mm

D_a - max. - 256 mm

r_a - max. - 2.5 mm

Basic dynamic load rating - C - 400 kN

Basic static load rating - C₀ - 570 kN

Fatigue load limit - P_u - 16.6 kN

Reference speed - 3000 r/min

Limiting speed - 4000 r/min

Calculation factor - k_a - 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 - 12.5 kg

Designation

Bore Dia, mm

Outer Dia, mm: