INA NA4868 bearing

Bearing NA4868 Bearing NA4868

INA NA4868 bearing, Size: 340x420x80. INA NA4868 are used in a wide variety of applications, suitable for high speeds and are robust in operation, and need little maintenance.

Needle roller bearings NA4868

Bearing number : NA4868

Size (mm) : 340x420x80

Brand : INA

Bore Diameter (mm) : 340

Outer Diameter (mm) : 420

Width (mm) : 80

Bearing dimensions and specification in INA catalogue:

d - 340 mm

D - 420 mm

B - 80 mm

F - 370 mm

rmin - 2,1 mm

s - 2 mm / Axial displacement

m - 24200 g / Weight

Cr - 730000 N / Dynamic load rating (radial)

C0r - 1940000 N / Static load rating (radial)

Cur - 249000 N / Fatigue limit load, radial

nG - 1270 1/min / Limiting speed

nB - 640 1/min / Reference speed

dimension series 48, to DIN 617/ISO 1206

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