Bearing 31305 J2 (SKF)

Tapered roller bearings, single row 31305 J2

Bearing number : 31305 J2

Size (mm) : 25x62x18,25

Brand : SKF

Bore Diameter (mm) : 25

Outer Diameter (mm) : 62

Width (mm) : 18,25

Bearing dimensions and specification in SKF catalogue:

d - 25 mm

D - 62 mm

T - 18.25 mm

d₁ - - 45.8 mm

B - 17 mm

C - 13 mm

r_1,2 - min. - 1.5 mm

r_3,4 - min. - 1.5 mm

a - 19.689 mm

d_a - max. - 34 mm

d_b - min. - 32 mm

D_a - min. - 47 mm

D_a - max. - 55 mm

D_b - min. - 59 mm

C_a - min. - 3 mm

C_b - min. - 5 mm

r_a - max. - 1.5 mm

r_b - max. - 1.5 mm

Basic dynamic load rating - C - 38 kN

Basic static load rating - C₀ - 40 kN

Fatigue load limit - P_u - 4.4 kN

Reference speed - 7500 r/min

Limiting speed - 11000 r/min

Calculation factor - e - 0.83

Calculation factor - Y - 0.72

Calculation factor - Y₀ - 0.4

Mass bearing - 0.266 kg

Designation

Bore Dia, mm

Outer Dia, mm: