Bearing 208 NR (SKF)

Deep groove ball bearings, single row, with filling slots 208 NR

Bearing number : 208 NR

Size (mm) : 40x80x18

Brand : SKF

Bore Diameter (mm) : 40

Outer Diameter (mm) : 80

Width (mm) : 18

Bearing dimensions and specification in SKF catalogue:

d - 40 mm

D - 80 mm

B - 18 mm

d₁ - - 52.6 mm

D₂ - - 69.8 mm

D₃ - 76.81 mm

D₄ - 86.6 mm

b - 1.9 mm

C - 3.28 mm

f - 1.7 mm

r₀ - 0.6 mm

r_1,2 - min. - 1.1 mm

d_a - min. - 47 mm

D_a - max. - 73 mm

D_b - min. - 88 mm

b_a - min. - 2.2 mm

C_a - max. - 4.98 mm

r_a - max. - 1 mm

Basic dynamic load rating - C - 33.6 kN

Basic static load rating - C₀ - 27 kN

Fatigue load limit - P_u - 1.2 kN

Reference speed - 15000 r/min

Limiting speed - 9500 r/min

Calculation factor minimum radial load - k_r - 0.04

Mass bearing - 0.39 kg

Snap ring - SP 80

Designation

Bore Dia, mm

Outer Dia, mm: