Bearing 31309 J2/QCL7C (SKF)

Tapered roller bearings, single row 31309 J2/QCL7C

Bearing number : 31309 J2/QCL7C

Size (mm) : 45x100x27,25

Brand : SKF

Bore Diameter (mm) : 45

Outer Diameter (mm) : 100

Width (mm) : 27,25

Bearing dimensions and specification in SKF catalogue:

d - 45 mm

D - 100 mm

T - 27.25 mm

d₁ - - 74.7 mm

B - 25 mm

C - 18 mm

r_1,2 - min. - 2 mm

r_3,4 - min. - 1.5 mm

a - 31 mm

d_a - max. - 56 mm

d_b - min. - 54 mm

D_a - min. - 79 mm

D_a - max. - 91 mm

D_b - min. - 95 mm

C_a - min. - 4 mm

C_b - min. - 9 mm

r_a - max. - 2 mm

r_b - max. - 1.5 mm

Basic dynamic load rating - C - 106 kN

Basic static load rating - C₀ - 102 kN

Fatigue load limit - P_u - 12.5 kN

Reference speed - 5000 r/min

Limiting speed - 6700 r/min

Calculation factor - e - 0.83

Calculation factor - Y - 0.72

Calculation factor - Y₀ - 0.4

Mass bearing - 0.951 kg

Designation

Bore Dia, mm

Outer Dia, mm: