NTN 4T-1985/1931 bearing

Bearing 4T-1985/1931

NTN 4T-1985/1931 bearing, Size: 28.575x60.325x19.845. NTN 4T-1985/1931 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-1985/1931

Bearing number : 4T-1985/1931

Size (mm) : 28.575x60.325x19.845

Brand : NTN

Bore Diameter (mm) : 28,575

Outer Diameter (mm) : 60,325

Width (mm) : 19,845

Bearing dimensions and specification in NTN catalogue:

d - 28,575 mm

D - 60,325 mm

T - 19,845 mm

B - 19,355 mm

C - 15,875 mm

ra1 max. - 1,3 mm

a - 5,9 mm

Da - 52 mm

db - 33,5 mm

ra max. - 0,8 mm

da - 34 mm

Db - 55 mm

Weight - 0,255 Kg

Basic dynamic load rating (C) - 40,5 kN

Basic static load rating (C0) - 44,5 kN

(Grease) Lubrication Speed - 6 700 r/min

(Oil) Lubrication Speed - 8 900 r/min

Calculation factor (e) - 0,33

Calculation factor (Y0) - 1

Calculation factor (Y2) - 1,82

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