Bearing 307 NR (SKF)

Deep groove ball bearings, single row, with filling slots 307 NR

Bearing number : 307 NR

Size (mm) : 35x80x21

Brand : SKF

Bore Diameter (mm) : 35

Outer Diameter (mm) : 80

Width (mm) : 21

Bearing dimensions and specification in SKF catalogue:

d - 35 mm

D - 80 mm

B - 21 mm

d₁ - - 49.56 mm

D₂ - - 69.2 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. - 1.5 mm

d_a - min. - 44 mm

D_a - max. - 71 mm

D_b - min. - 88 mm

b_a - min. - 2.2 mm

C_a - max. - 4.98 mm

r_a - max. - 1.5 mm

Basic dynamic load rating - C - 34.7 kN

Basic static load rating - C₀ - 26.5 kN

Fatigue load limit - P_u - 1.1 kN

Reference speed - 16000 r/min

Limiting speed - 9500 r/min

Calculation factor minimum radial load - k_r - 0.05

Mass bearing - 0.48 kg

Snap ring - SP 80

Designation

Bore Dia, mm

Outer Dia, mm: