Bearing 306-ZNR (SKF)

Deep groove ball bearings, single row, with filling slots 306-ZNR

Bearing number : 306-ZNR

Size (mm) : 30x72x19

Brand : SKF

Bore Diameter (mm) : 30

Outer Diameter (mm) : 72

Width (mm) : 19

Bearing dimensions and specification in SKF catalogue:

d - 30 mm

D - 72 mm

B - 19 mm

d₁ - - 44.6 mm

D₂ - - 61.88 mm

D₃ - 68.81 mm

D₄ - 78.6 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. - 37 mm

d_a - max. - 44.5 mm

D_a - max. - 65 mm

D_b - min. - 80 mm

b_a - min. - 2.2 mm

C_a - max. - 4.98 mm

r_a - max. - 1 mm

Basic dynamic load rating - C - 29.7 kN

Basic static load rating - C₀ - 21.6 kN

Fatigue load limit - P_u - 0.93 kN

Reference speed - 18000 r/min

Limiting speed - 11000 r/min

Calculation factor minimum radial load - k_r - 0.05

Mass bearing - 0.37 kg

Snap ring - SP 72

Designation

Bore Dia, mm

Outer Dia, mm: