Bearing NU 20/670 ECMA/HB1 (SKF)

Cylindrical roller bearings, single row NU 20/670 ECMA/HB1

Bearing number : NU 20/670 ECMA/HB1

Size (mm) : 670x980x180

Brand : SKF

Bore Diameter (mm) : 670

Outer Diameter (mm) : 980

Width (mm) : 180

Bearing dimensions and specification in SKF catalogue:

d - 670 mm

D - 980 mm

B - 180 mm

D₁ - - 890 mm

F - 746 mm

r_1,2 - min. - 7.5 mm

s - 7 mm

d_a - min. - 698 mm

d_a - max. - 736 mm

d_b - min. - 752 mm

D_a - max. - 952 mm

r_a - max. - 6 mm

Basic dynamic load rating - C - 5390 kN

Basic static load rating - C₀ - 11000 kN

Fatigue load limit - P_u - 750 kN

Reference speed - 500 r/min

Limiting speed - 800 r/min

Calculation factor - k_r - 0.14

Mass bearing - 480 kg

Designation

Bore Dia, mm

Outer Dia, mm: