NACHI 30256 bearing

Bearing 30256

NACHI 30256 bearing, Size: 280x500x89. NACHI 30256 are used in a wide variety of applications, suitable for high speeds and are robust in operation, and need little maintenance.

Tapered roller bearings 30256

Bearing number : 30256

Size (mm) : 280x500x89

Brand : NACHI

Bore Diameter (mm) : 280

Outer Diameter (mm) : 500

Width (mm) : 89

Bearing dimensions and specification in NACHI catalogue:

d - 280 mm

D - 500 mm

T - 89 mm

B - 80 mm

C - 67 mm

a - -10 mm

r1 min. - 6 mm

r2 min. - 5 mm

Weight - 66.0 Kg

Basic dynamic load rating (C) - 1270000 kN

Basic static load rating (C0) - 1910000 kN

(Grease) Lubrication Speed - 620 r/min

(Oil) Lubrication Speed - 820 r/min

Calculation factor (e) - 0.46

Calculation factor (Y0) - 0.72

Calculation factor (Y1) - 1.31

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