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NTN NA4944 bearing

Bearing NA4944

NTN NA4944, Size: 220x300x80. NTN NA4944 are used in a wide variety of applications, suitable for high speeds and are robust in operation, and need little maintenance.

Needle roller bearings NA4944

Bearing number : NA4944

Size (mm) : 220x300x80

Brand : NTN

Bore Diameter (mm) : 220

Outer Diameter (mm) : 300

Width (mm) : 80

Bearing dimensions and specification in NTN catalogue:

d - 220 mm

F - 245 mm

D - 300 mm

B - 80 mm

C - 80 mm

r min. - 2,1 mm

s - 1,5 mm

da min. - 231 mm

Da max. - 289 mm

ra max. - 2 mm

Weight - 13,5 Kg

Basic dynamic load rating (C) - 525 kN

Basic static load rating (C0) - 1270 kN

(Grease) Lubrication Speed - 1 100 r/min

(Oil) Lubrication Speed - 1 600 r/min

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