NTN 4T-45284/45220 bearing

Bearing 4T-45284/45220

NTN 4T-45284/45220 bearing, Size: 50.8x104.775x30.162. NTN 4T-45284/45220 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-45284/45220

Bearing number : 4T-45284/45220

Size (mm) : 50.8x104.775x30.162

Brand : NTN

Bore Diameter (mm) : 50,8

Outer Diameter (mm) : 104,775

Width (mm) : 30,162

Bearing dimensions and specification in NTN catalogue:

d - 50,8 mm

D - 104,775 mm

T - 30,162 mm

B - 30,958 mm

C - 23,812 mm

ra1 max. - 3,3 mm

a - 7,9 mm

Da - 93 mm

db - 59 mm

ra max. - 6,4 mm

da - 71 mm

Db - 99 mm

Weight - 1,22 Kg

Basic dynamic load rating (C) - 130 kN

Basic static load rating (C0) - 169 kN

(Grease) Lubrication Speed - 3 500 r/min

(Oil) Lubrication Speed - 4 700 r/min

Calculation factor (e) - 0,33

Calculation factor (Y0) - 0,99

Calculation factor (Y2) - 1,8

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