SKF 61811 bearing

55x72x9

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Deep groove ball bearings, single row 61811

Bearing number : 61811

Size (mm) : 55x72x9

Brand : SKF

Bore Diameter (mm) : 55

Outer Diameter (mm) : 72

Width (mm) : 9

Bearing dimensions and specification in SKF catalogue:

d - 55 mm

D - 72 mm

B - 9 mm

d1 - - 60.6 mm

D1 - - 66.4 mm

r1,2 - min. - 0.3 mm

da - min. - 57 mm

Da - max. - 70 mm

ra - max. - 0.3 mm

Basic dynamic load rating - C - 9 kN

Basic static load rating - C0 - 8.8 kN

Fatigue load limit - Pu - 0.375 kN

Reference speed - 19000 r/min

Limiting speed - 12000 r/min

Calculation factor - kr - 0.015

Calculation factor - f0 - 17

Mass bearing - 0.083 kg

Bearing 61811 Bearing 61811

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