Bearing 6304 NR (SKF)

Deep groove ball bearings, single row, with a snap ring groov 6304 NR

Bearing number : 6304 NR

Size (mm) : 20x52x15

Brand : SKF

Bore Diameter (mm) : 20

Outer Diameter (mm) : 52

Width (mm) : 15

Bearing dimensions and specification in SKF catalogue:

d - 20 mm

D - 52 mm

B - 15 mm

d₁ - - 30.35 mm

D₂ - - 44.71 mm

D₃ - 49.73 mm

D₄ - 57.9 mm

b - 1.35 mm

C - 2.46 mm

f - 1.12 mm

r₀ - 0.4 mm

r_1,2 - min. - 1.1 mm

d_a - min. - 27 mm

D_a - max. - 45 mm

D_b - min. - 59 mm

b_a - min. - 1.5 mm

C_a - max. - 3.58 mm

r_a - max. - 1 mm

Basic dynamic load rating - C - 16.8 kN

Basic static load rating - C₀ - 7.8 kN

Fatigue load limit - P_u - 0.335 kN

Reference speed - 30000 r/min

Limiting speed - 19000 r/min

Calculation factor - k_r - 0.03

Calculation factor - f₀ - 12

Mass bearing - 0.149 kg

Snap ring - SP 52

Designation

Bore Dia, mm

Outer Dia, mm: