Bearing QJ 309 MA (SKF)

Angular contact ball bearings, four-point contact ball bearings QJ 309 MA

Bearing number : QJ 309 MA

Size (mm) : 45x100x25

Brand : SKF

Bore Diameter (mm) : 45

Outer Diameter (mm) : 100

Width (mm) : 25

Bearing dimensions and specification in SKF catalogue:

d - 45 mm

D - 100 mm

B - 25 mm

d₁ - - 58 mm

D₁ - - 81.2 mm

a - 51 mm

r_1,2 - min. - 1.5 mm

d_a - min. - 54 mm

D_a - max. - 91 mm

r_a - max. - 1.5 mm

Basic dynamic load rating - C - 100 kN

Basic static load rating - C₀ - 83 kN

Fatigue load limit - P_u - 3.6 kN

Reference speed - 9000 r/min

Limiting speed - 12000 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 - 1.05 kg

Designation

Bore Dia, mm

Outer Dia, mm: