Bearing 312-Z (SKF)

Deep groove ball bearings, single row, with filling slots 312-Z

Bearing number : 312-Z

Size (mm) : 60x130x31

Brand : SKF

Bore Diameter (mm) : 60

Outer Diameter (mm) : 130

Width (mm) : 31

Bearing dimensions and specification in SKF catalogue:

d - 60 mm

D - 130 mm

B - 31 mm

d₁ - - 81.86 mm

D₂ - - 112.2 mm

r_1,2 - min. - 2.1 mm

d_a - min. - 72 mm

d_a - max. - 81.7 mm

D_a - max. - 118 mm

r_a - max. - 2 mm

Basic dynamic load rating - C - 91.3 kN

Basic static load rating - C₀ - 78 kN

Fatigue load limit - P_u - 3.4 kN

Reference speed - 9500 r/min

Limiting speed - 6000 r/min

Calculation factor - k_r - 0.05

Mass bearing - 1.85 kg

Designation

Bore Dia, mm

Outer Dia, mm: