Bearing 305 NR (SKF)

Deep groove ball bearings, single row, with filling slots 305 NR

Bearing number : 305 NR

Size (mm) : 25x62x17

Brand : SKF

Bore Diameter (mm) : 25

Outer Diameter (mm) : 62

Width (mm) : 17

Bearing dimensions and specification in SKF catalogue:

d - 25 mm

D - 62 mm

B - 17 mm

d₁ - - 36.6 mm

D₂ - - 52.7 mm

D₃ - 59.61 mm

D₄ - 67.7 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. - 32 mm

D_a - max. - 55 mm

D_b - min. - 69 mm

b_a - min. - 2.2 mm

C_a - max. - 4.98 mm

r_a - max. - 1 mm

Basic dynamic load rating - C - 22.9 kN

Basic static load rating - C₀ - 15.6 kN

Fatigue load limit - P_u - 0.67 kN

Reference speed - 20000 r/min

Limiting speed - 13000 r/min

Calculation factor minimum radial load - k_r - 0.05

Mass bearing - 0.24 kg

Snap ring - SP 62

Designation

Bore Dia, mm

Outer Dia, mm: