Bearing 306728 (SKF)

Deep groove ball bearings, single row 306728

Bearing number : 306728

Size (mm) : 330x460x56

Brand : SKF

Bore Diameter (mm) : 330

Outer Diameter (mm) : 460

Width (mm) : 56

Bearing dimensions and specification in SKF catalogue:

d - 330 mm

D - 460 mm

B - 56 mm

d₁ - - 378.1 mm

D₁ - - 421.62 mm

r_1,2 - min. - 3 mm

d_a - min. - 343 mm

D_a - max. - 447 mm

r_a - max. - 2.5 mm

Basic dynamic load rating - C - 281 kN

Basic static load rating - C₀ - 425 kN

Fatigue load limit - P_u - 9 kN

Reference speed - 2600 r/min

Limiting speed - 1700 r/min

Calculation factor - k_r - 0.02

Calculation factor - f₀ - 17

Mass bearing - 30 kg

Designation

Bore Dia, mm

Outer Dia, mm: