Bearing 30228 J2 (SKF)

Tapered roller bearings, single row 30228 J2

Bearing number : 30228 J2

Size (mm) : 140x250x45,75

Brand : SKF

Bore Diameter (mm) : 140

Outer Diameter (mm) : 250

Width (mm) : 45,75

Bearing dimensions and specification in SKF catalogue:

d - 140 mm

D - 250 mm

T - 45.75 mm

d₁ - - 187.12 mm

B - 42 mm

C - 36 mm

r_1,2 - min. - 4 mm

r_3,4 - min. - 3 mm

a - 47 mm

d_a - max. - 163 mm

d_b - min. - 154 mm

D_a - min. - 219 mm

D_a - max. - 236 mm

D_b - min. - 234 mm

C_a - min. - 9 mm

C_b - min. - 9.5 mm

r_a - max. - 4 mm

r_b - max. - 3 mm

Basic dynamic load rating - C - 418 kN

Basic static load rating - C₀ - 570 kN

Fatigue load limit - P_u - 58.5 kN

Reference speed - 1900 r/min

Limiting speed - 2600 r/min

Calculation factor - e - 0.43

Calculation factor - Y - 1.4

Calculation factor - Y₀ - 0.8

Mass bearing - 8.688 kg

Designation

Bore Dia, mm

Outer Dia, mm: