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NTN NA4912R bearing

Bearing NA4912R

NTN NA4912R, Size: 60x85x25. NTN NA4912R are used in a wide variety of applications, suitable for high speeds and are robust in operation, and need little maintenance.

Needle roller bearings NA4912R

Bearing number : NA4912R

Size (mm) : 60x85x25

Brand : NTN

Bore Diameter (mm) : 60

Outer Diameter (mm) : 85

Width (mm) : 25

Bearing dimensions and specification in NTN catalogue:

d - 60 mm

F - 68 mm

D - 85 mm

B - 25 mm

C - 25 mm

r min. - 1 mm

s - 1,5 mm

da min. - 65 mm

Da max. - 80 mm

ra max. - 1 mm

Weight - 0,427 Kg

Basic dynamic load rating (C) - 61,5 kN

Basic static load rating (C0) - 108 kN

(Grease) Lubrication Speed - 4 000 r/min

(Oil) Lubrication Speed - 6 000 r/min

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