NTN RNA4872 bearing

Bearing RNA4872

RNA4872 NTN bearing,

NTN RNA4872 bearing, Size: 390x440x80. NTN RNA4872 are used in a wide variety of applications, suitable for high speeds and are robust in operation, and need little maintenance.

Needle roller bearings RNA4872

Bearing number : RNA4872

Size (mm) : 390x440x80

Brand : NTN

Bore Diameter (mm) : 390

Outer Diameter (mm) : 440

Width (mm) : 80

Bearing dimensions and specification in NTN catalogue:

Fw - 390 mm

D - 440 mm

C - 80 mm

r min. - 2,1 mm

Da max. - 429 mm

ra max. - 2 mm

Weight - 14,8 Kg

Basic dynamic load rating (C) - 665 kN

Basic static load rating (C0) - 2020 kN

(Grease) Lubrication Speed - 650 r/min

(Oil) Lubrication Speed - 1000 r/min