N311ECMB SKF bearing

Bearing N 311 ECMB Bearing N 311 ECMB

Cylindrical roller bearings, single row N 311 ECMB

Bearing number : N 311 ECMB

Size (mm) : 55x120x29

Brand : SKF

Bore Diameter (mm) : 55

Outer Diameter (mm) : 120

Width (mm) : 29

Bearing dimensions and specification in SKF catalogue:

d - 55 mm

D - 120 mm

B - 29 mm

d1 - - 77.5 mm

E - 106.5 mm

r1,2 - min. - 2 mm

r3,4 - min. - 2 mm

s - 2 mm

da - min. - 65 mm

da - max. - 104 mm

Da - min. - 109 mm

Da - max. - 111 mm

ra - max. - 2 mm

rb - max. - 2 mm

Basic dynamic load rating - C - 156 kN

Basic static load rating - C0 - 143 kN

Fatigue load limit - Pu - 18.6 kN

Reference speed - 6000 r/min

Limiting speed - 9500 r/min

Calculation factor - kr - 0.12

Mass bearing - 1.725 kg

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