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NTN NA4856 bearing

Bearing NA4856

NTN NA4856, Size: 280x350x69. NTN NA4856 are used in a wide variety of applications, suitable for high speeds and are robust in operation, and need little maintenance.

Needle roller bearings NA4856

Bearing number : NA4856

Size (mm) : 280x350x69

Brand : NTN

Bore Diameter (mm) : 280

Outer Diameter (mm) : 350

Width (mm) : 69

Bearing dimensions and specification in NTN catalogue:

d - 280 mm

F - 305 mm

D - 350 mm

B - 69 mm

C - 69 mm

r min. - 2 mm

s - 2,5 mm

da min. - 289 mm

Da max. - 341 mm

ra max. - 2 mm

Weight - 15,5 Kg

Basic dynamic load rating (C) - 455 kN

Basic static load rating (C0) - 1300 kN

(Grease) Lubrication Speed - 850 r/min

(Oil) Lubrication Speed - 1 300 r/min

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