NTN 4T-2878/2820 bearing

Bearing 4T-2878/2820

NTN 4T-2878/2820 bearing, Size: 34.925x73.025x22.225. NTN 4T-2878/2820 are used in a wide variety of applications, suitable for high speeds and are robust in operation, and need little maintenance.

Tapered roller bearings 4T-2878/2820

Bearing number : 4T-2878/2820

Size (mm) : 34.925x73.025x22.225

Brand : NTN

Bore Diameter (mm) : 34,925

Outer Diameter (mm) : 73,025

Width (mm) : 22,225

Bearing dimensions and specification in NTN catalogue:

d - 34,925 mm

D - 73,025 mm

T - 22,225 mm

B - 23,812 mm

C - 17,462 mm

ra1 max. - 3,3 mm

a - 5,5 mm

Da - 63 mm

db - 41 mm

ra max. - 0,8 mm

da - 42 mm

Db - 68 mm

Weight - 0,434 Kg

Basic dynamic load rating (C) - 62,5 kN

Basic static load rating (C0) - 75,5 kN

(Grease) Lubrication Speed - 5 200 r/min

(Oil) Lubrication Speed - 7 000 r/min

Calculation factor (e) - 0,37

Calculation factor (Y0) - 0,9

Calculation factor (Y2) - 1,63

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