Bearing 68450/68712 (SKF)

Tapered roller bearings, single row 68450/68712

Bearing number : 68450/68712

Size (mm) : 114,3x180,975x34,925

Brand : SKF

Bore Diameter (mm) : 114,3

Outer Diameter (mm) : 180,975

Width (mm) : 34,925

Bearing dimensions and specification in SKF catalogue:

d - 114.3 mm

D - 180.975 mm

T - 34.925 mm

d₁ - - 144.3 mm

B - 31.75 mm

C - 25.4 mm

r_1,2 - min. - 3.5 mm

r_3,4 - min. - 3.3 mm

a - 40 mm

d_a - max. - 129 mm

d_b - min. - 127 mm

D_a - min. - 158 mm

D_a - max. - 170 mm

D_b - min. - 170 mm

C_a - min. - 4 mm

C_b - min. - 9.5 mm

r_a - max. - 3.3 mm

r_b - max. - 3.1 mm

Basic dynamic load rating - C - 183 kN

Basic static load rating - C₀ - 280 kN

Fatigue load limit - P_u - 30 kN

Reference speed - 2600 r/min

Limiting speed - 3800 r/min

Calculation factor - e - 0.5

Calculation factor - Y - 1.2

Calculation factor - Y₀ - 0.7

Mass bearing - 2.928 kg

Designation

Bore Dia, mm

Outer Dia, mm: