Bearing PNA 20/42 (SKF)

Alignment needle roller bearings, with an inner ring PNA 20/42

Bearing number : PNA 20/42

Size (mm) : 20x42x20

Brand : SKF

Bore Diameter (mm) : 20

Outer Diameter (mm) : 42

Width (mm) : 20

Bearing dimensions and specification in SKF catalogue:

d - 20 mm

D - 42 mm

B - 20 mm

F - 25 mm

D₁ - 36.5 mm

r - min. - 0.8 mm

r_1,2 - min. - 0.3 mm

s - 0.5 mm

d_a - min. - 22 mm

D_a - min. - 35 mm

D_a - max. - 37 mm

r_a - max. - 0.8 mm

r_b - max. - 0.3 mm

Basic dynamic load rating - C - 19 kN

Basic static load rating - C₀ - 32.5 kN

Fatigue load limit - P_u - 4 kN

Reference speed - 16000 r/min

Limiting speed - 18000 r/min

Mass bearing - 0.136 kg

Designation

Bore Dia, mm

Outer Dia, mm: