Bearing QJ 211 N2MA (SKF)

Angular contact ball bearings, four-point contact ball bearings QJ 211 N2MA

Bearing number : QJ 211 N2MA

Size (mm) : 55x100x21

Brand : SKF

Bore Diameter (mm) : 55

Outer Diameter (mm) : 100

Width (mm) : 21

Bearing dimensions and specification in SKF catalogue:

d - 55 mm

D - 100 mm

B - 21 mm

d₁ - - 66 mm

D₁ - - 84.7 mm

a - 54 mm

h - 5 mm

b - 6.5 mm

r₀ - 0.5 mm

r_1,2 - min. - 1.5 mm

d_a - min. - 64 mm

D_a - max. - 91 mm

r_a - max. - 1.5 mm

Basic dynamic load rating - C - 85 kN

Basic static load rating - C₀ - 83 kN

Fatigue load limit - P_u - 3.6 kN

Reference speed - 8000 r/min

Limiting speed - 11000 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 - 0.77 kg

Designation

Bore Dia, mm

Outer Dia, mm: