Bearing QJ 305 MA (SKF)

Angular contact ball bearings, four-point contact ball bearings QJ 305 MA

Bearing number : QJ 305 MA

Size (mm) : 25x62x17

Brand : SKF

Bore Diameter (mm) : 25

Outer Diameter (mm) : 62

Width (mm) : 17

Bearing dimensions and specification in SKF catalogue:

d - 25 mm

D - 62 mm

B - 17 mm

d₁ - - 34 mm

D₁ - - 49 mm

a - 30 mm

r_1,2 - min. - 1.1 mm

d_a - min. - 32 mm

D_a - max. - 55 mm

r_a - max. - 1 mm

Basic dynamic load rating - C - 42.5 kN

Basic static load rating - C₀ - 30 kN

Fatigue load limit - P_u - 1.3 kN

Reference speed - 15000 r/min

Limiting speed - 20000 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 - 0.29 kg

Designation

Bore Dia, mm

Outer Dia, mm: