SKF NA4911 bearing

55x80x25

It also involves various bearing products such as deep groove ball bearing, aligning ball bearing, cylindrical roller bearing, aligning roller bearing, needle roller bearing, angular contact ball bearing, tapered roller bearing, etc. Products are widely used in machinery, mining, steel, electric power, automobile and other fields.



Needle roller bearings, with machined rings, with an inner ring NA 4911

Bearing number : NA 4911

Size (mm) : 55x80x25

Brand : SKF

Bore Diameter (mm) : 55

Outer Diameter (mm) : 80

Width (mm) : 25

Bearing dimensions and specification in SKF catalogue:

d - 55 mm

D - 80 mm

B - 25 mm

F - 63 mm

r1,2 - min. - 1 mm

s - 1.5 mm

da - min. - 60 mm

Da - max. - 75 mm

ra - max. - 1 mm

Basic dynamic load rating - C - 57.2 kN

Basic static load rating - C0 - 106 kN

Fatigue load limit - Pu - 13.2 kN

Reference speed - 6300 r/min

Limiting speed - 7000 r/min

Mass bearing - 0.393 kg

Bearing NA 4911 Bearing NA 4911

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