INA NA6909-ZW bearing

45x68x40

INA NA4922 Needle roller bearings with ribs are X-life bearings, made in Germany These Needle roller bearings have optimised raceway surfaces, can support higher load carrying capacity. Their operating life are also much longer.



Needle roller bearings NA6909-ZW

Bearing number : NA6909-ZW

Size (mm) : 45x68x40

Brand : INA

Bore Diameter (mm) : 45

Outer Diameter (mm) : 68

Width (mm) : 40

Bearing dimensions and specification in INA catalogue:

d - 45 mm

D - 68 mm

B - 40 mm

F - 52 mm

rmin - 0,6 mm

s - 0,5 mm / Axial displacement

m - 495 g / Weight

Cr - 79000 N / Dynamic load rating (radial)

C0r - 127000 N / Static load rating (radial)

Cur - 21400 N / Fatigue limit load, radial

nG - 8600 1/min / Limiting speed

nB - 4850 1/min / Reference speed

Dimension series 69, double row

Bearing NA6909-ZW Bearing NA6909-ZW

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