Bearing 31328 XJ2 (SKF)

Tapered roller bearings, single row 31328 XJ2

Bearing number : 31328 XJ2

Size (mm) : 140x300x77

Brand : SKF

Bore Diameter (mm) : 140

Outer Diameter (mm) : 300

Width (mm) : 77

Bearing dimensions and specification in SKF catalogue:

d - 140 mm

D - 300 mm

T - 77 mm

d₁ - - 220.275 mm

B - 70 mm

C - 47 mm

r_1,2 - min. - 5 mm

r_3,4 - min. - 4 mm

a - 90.071 mm

d_a - max. - 169 mm

d_b - min. - 158 mm

D_a - min. - 235 mm

D_a - max. - 282 mm

D_b - min. - 280 mm

C_a - min. - 9 mm

C_b - min. - 30 mm

r_a - max. - 5 mm

r_b - max. - 4 mm

Basic dynamic load rating - C - 693 kN

Basic static load rating - C₀ - 900 kN

Fatigue load limit - P_u - 90 kN

Reference speed - 1500 r/min

Limiting speed - 2200 r/min

Calculation factor - e - 0.83

Calculation factor - Y - 0.72

Calculation factor - Y₀ - 0.4

Mass bearing - 22.63 kg

Designation

Bore Dia, mm

Outer Dia, mm: