Bearing LM 12748/710 (SKF)

Tapered roller bearings, single row LM 12748/710

Bearing number : LM 12748/710

Size (mm) : 21,43x45,237x15,492

Brand : SKF

Bore Diameter (mm) : 21,43

Outer Diameter (mm) : 45,237

Width (mm) : 15,492

Bearing dimensions and specification in SKF catalogue:

d - 21.43 mm

D - 45.237 mm

T - 15.492 mm

d₁ - - 33.9 mm

B - 16.637 mm

C - 12.065 mm

r_1,2 - min. - 1.3 mm

r_3,4 - min. - 1.3 mm

a - 10 mm

d_a - max. - 28 mm

d_b - min. - 27.5 mm

D_a - min. - 39 mm

D_a - max. - 40 mm

D_b - min. - 42 mm

C_a - min. - 3 mm

C_b - min. - 3 mm

r_a - max. - 1.3 mm

r_b - max. - 1.3 mm

Basic dynamic load rating - C - 27.5 kN

Basic static load rating - C₀ - 31 kN

Fatigue load limit - P_u - 3.2 kN

Reference speed - 11000 r/min

Limiting speed - 17000 r/min

Calculation factor - e - 0.31

Calculation factor - Y - 1.9

Calculation factor - Y₀ - 1.1

Mass bearing - 0.12 kg

Designation

Bore Dia, mm

Outer Dia, mm: