NTN 4T-661/653 bearing

Bearing 4T-661/653

NTN 4T-661/653 bearing, Size: 77.788x146.05x41.275. NTN 4T-661/653 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-661/653

Bearing number : 4T-661/653

Size (mm) : 77.788x146.05x41.275

Brand : NTN

Bore Diameter (mm) : 77,788

Outer Diameter (mm) : 146,05

Width (mm) : 41,275

Bearing dimensions and specification in NTN catalogue:

d - 77,788 mm

D - 146,05 mm

T - 41,275 mm

B - 41,275 mm

C - 31,75 mm

ra1 max. - 3,3 mm

a - 8 mm

Da - 131 mm

db - 90 mm

ra max. - 3,5 mm

da - 96 mm

Db - 139 mm

Weight - 2,91 Kg

Basic dynamic load rating (C) - 206 kN

Basic static load rating (C0) - 295 kN

(Grease) Lubrication Speed - 2 500 r/min

(Oil) Lubrication Speed - 3 300 r/min

Calculation factor (e) - 0,41

Calculation factor (Y0) - 0,81

Calculation factor (Y2) - 1,47

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