Bearing CRM 20 A (SKF)

Cylindrical roller bearings, single row CRM 20 A

Bearing number : CRM 20 A

Size (mm) : 63,5x139,7x31,75

Brand : SKF

Bore Diameter (mm) : 63,5

Outer Diameter (mm) : 139,7

Width (mm) : 31,75

Bearing dimensions and specification in SKF catalogue:

d - 63.5 mm

D - 139.7 mm

B - 31.75 mm

d₁ - - 91 mm

E - 121.5 mm

r_1,2 - min. - 3.2 mm

r_3,4 - min. - 3.2 mm

s - 2 mm

d_a - min. - 78 mm

d_a - max. - 119 mm

D_a - min. - 123 mm

D_a - max. - 126 mm

r_a - max. - 3 mm

r_b - max. - 3 mm

Basic dynamic load rating - C - 138 kN

Basic static load rating - C₀ - 143 kN

Fatigue load limit - P_u - 18.3 kN

Reference speed - 5300 r/min

Limiting speed - 6300 r/min

Calculation factor - k_r - 0.12

Mass bearing - 2.15 kg

Designation

Bore Dia, mm

Outer Dia, mm: