Bearing RNA4912S (NTN)

Needle roller bearings RNA4912S

Bearing number : RNA4912S

Size (mm) : 68x85x25

Brand : NTN

Bore Diameter (mm) : 68

Outer Diameter (mm) : 85

Width (mm) : 25

Bearing dimensions and specification in NTN catalogue:

Fw - 68 mm

D - 85 mm

C - 25 mm

r min. - 1 mm

Da max. - 75 mm

ra max. - 1 mm

Weight - 0,257 Kg

Basic dynamic load rating (C) - 34 kN

Basic static load rating (C0) - 69 kN

(Grease) Lubrication Speed - 4000 r/min

(Oil) Lubrication Speed - 6000 r/min

Designation

Bore Dia, mm

Outer Dia, mm: