Bearing 31311 J2/QCL7C (SKF)

Tapered roller bearings, single row 31311 J2/QCL7C

Bearing number : 31311 J2/QCL7C

Size (mm) : 55x120x31,5

Brand : SKF

Bore Diameter (mm) : 55

Outer Diameter (mm) : 120

Width (mm) : 31,5

Bearing dimensions and specification in SKF catalogue:

d - 55 mm

D - 120 mm

T - 31.5 mm

d₁ - - 88.4 mm

B - 29 mm

C - 21 mm

r_1,2 - min. - 2.5 mm

r_3,4 - min. - 2 mm

a - 37.053 mm

d_a - max. - 68 mm

d_b - min. - 65 mm

D_a - min. - 94 mm

D_a - max. - 110 mm

D_b - min. - 113 mm

C_a - min. - 4 mm

C_b - min. - 10.5 mm

r_a - max. - 2.5 mm

r_b - max. - 2 mm

Basic dynamic load rating - C - 121 kN

Basic static load rating - C₀ - 137 kN

Fatigue load limit - P_u - 16.6 kN

Reference speed - 3800 r/min

Limiting speed - 5600 r/min

Calculation factor - e - 0.83

Calculation factor - Y - 0.72

Calculation factor - Y₀ - 0.4

Mass bearing - 1.55 kg

Designation

Bore Dia, mm

Outer Dia, mm: