Bearing NA4912 (KOYO)

Needle roller bearings NA4912

Bearing number : NA4912

Size (mm) : 60x85x25

Brand : KOYO

Bore Diameter (mm) : 60

Outer Diameter (mm) : 85

Width (mm) : 25

Bearing dimensions and specification in KOYO catalogue:

d - 60 mm

Fw - 68 mm

D - 85 mm

B - 25 mm

C - 25 mm

r5 min. - 1 mm

S - 1,5 mm

Weight - 0,457 Kg

Basic dynamic load rating (C) - 64,8 kN

Basic static load rating (C0) - 116 kN

(Grease) Lubrication Speed - 6300 r/min

(Oil) Lubrication Speed - 4100 r/min

Designation

Bore Dia, mm

Outer Dia, mm: