Bearing NU 12/630 ECMA/HB1 (SKF)

Cylindrical roller bearings, single row NU 12/630 ECMA/HB1

Bearing number : NU 12/630 ECMA/HB1

Size (mm) : 630x1150x230

Brand : SKF

Bore Diameter (mm) : 630

Outer Diameter (mm) : 1150

Width (mm) : 230

Bearing dimensions and specification in SKF catalogue:

d - 630 mm

D - 1150 mm

B - 230 mm

D₁ - - 1005 mm

F - 751 mm

r_1,2 - min. - 12 mm

s - 13.5 mm

d_a - min. - 678 mm

d_a - max. - 735 mm

d_b - min. - 757 mm

D_a - max. - 1102 mm

r_a - max. - 10 mm

Basic dynamic load rating - C - 8580 kN

Basic static load rating - C₀ - 13700 kN

Fatigue load limit - P_u - 915 kN

Reference speed - 450 r/min

Limiting speed - 700 r/min

Calculation factor - k_r - 0.17

Mass bearing - 1109 kg

Designation

Bore Dia, mm

Outer Dia, mm: