Bearing QJ 307 MA (SKF)

Angular contact ball bearings, four-point contact ball bearings QJ 307 MA

Bearing number : QJ 307 MA

Size (mm) : 35x80x21

Brand : SKF

Bore Diameter (mm) : 35

Outer Diameter (mm) : 80

Width (mm) : 21

Bearing dimensions and specification in SKF catalogue:

d - 35 mm

D - 80 mm

B - 21 mm

d₁ - - 46.2 mm

D₁ - - 64.3 mm

a - 40 mm

r_1,2 - min. - 1.5 mm

d_a - min. - 44 mm

D_a - max. - 71 mm

r_a - max. - 1.5 mm

Basic dynamic load rating - C - 64 kN

Basic static load rating - C₀ - 51 kN

Fatigue load limit - P_u - 2.2 kN

Reference speed - 11000 r/min

Limiting speed - 15000 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 - 0.57 kg

Designation

Bore Dia, mm

Outer Dia, mm: