Bearing NU 31/530 ECMA/HB1 (SKF)

Cylindrical roller bearings, single row NU 31/530 ECMA/HB1

Bearing number : NU 31/530 ECMA/HB1

Size (mm) : 530x870x272

Brand : SKF

Bore Diameter (mm) : 530

Outer Diameter (mm) : 870

Width (mm) : 272

Bearing dimensions and specification in SKF catalogue:

d - 530 mm

D - 870 mm

B - 272 mm

D₁ - - 764 mm

F - 612 mm

r_1,2 - min. - 7.5 mm

s - 3 mm

d_a - min. - 562 mm

d_a - max. - 605 mm

d_b - min. - 617 mm

D_a - max. - 838 mm

r_a - max. - 6 mm

Basic dynamic load rating - C - 7480 kN

Basic static load rating - C₀ - 14600 kN

Fatigue load limit - P_u - 1040 kN

Reference speed - 560 r/min

Limiting speed - 950 r/min

Calculation factor - k_r - 0.21

Mass bearing - 660 kg

Designation

Bore Dia, mm

Outer Dia, mm: