INA NA4911 bearing

Bearing NA4911 Bearing NA4911

INA NA4911 bearing, Size: 55x80x25. INA NA4911 are used in a wide variety of applications, suitable for high speeds and are robust in operation, and need little maintenance.

Needle roller bearings NA4911

Bearing number : NA4911

Size (mm) : 55x80x25

Brand : INA

Bore Diameter (mm) : 55

Outer Diameter (mm) : 80

Width (mm) : 25

Bearing dimensions and specification in INA catalogue:

d - 55 mm

D - 80 mm

B - 25 mm

F - 63 mm

rmin - 1 mm

s - 1,5 mm / Axial displacement

m - 393 g / Weight

Cr - 65000 N / Dynamic load rating (radial)

C0r - 100000 N / Static load rating (radial)

Cur - 17300 N / Fatigue limit load, radial

nG - 7200 1/min / Limiting speed

nB - 4100 1/min / Reference speed

dimension series 49, to DIN 617/ISO 1206

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