Bearing 31308 J2/QCL7C (SKF)

Tapered roller bearings, single row 31308 J2/QCL7C

Bearing number : 31308 J2/QCL7C

Size (mm) : 40x90x25,25

Brand : SKF

Bore Diameter (mm) : 40

Outer Diameter (mm) : 90

Width (mm) : 25,25

Bearing dimensions and specification in SKF catalogue:

d - 40 mm

D - 90 mm

T - 25.25 mm

d₁ - - 67.15 mm

B - 23 mm

C - 17 mm

r_1,2 - min. - 2 mm

r_3,4 - min. - 1.5 mm

a - 28 mm

d_a - max. - 51 mm

d_b - min. - 49 mm

D_a - min. - 71 mm

D_a - max. - 81 mm

D_b - min. - 86 mm

C_a - min. - 3 mm

C_b - min. - 8 mm

r_a - max. - 2 mm

r_b - max. - 1.5 mm

Basic dynamic load rating - C - 85 kN

Basic static load rating - C₀ - 81.5 kN

Fatigue load limit - P_u - 9.5 kN

Reference speed - 5600 r/min

Limiting speed - 7500 r/min

Calculation factor - e - 0.83

Calculation factor - Y - 0.72

Calculation factor - Y₀ - 0.4

Mass bearing - 0.72 kg

Designation

Bore Dia, mm

Outer Dia, mm: