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NTN 30221U bearing

Bearing 30221U

NTN 30221U, Size: 105x190x39. NTN 30221U are used in a wide variety of applications, suitable for high speeds and are robust in operation, and need little maintenance.

Tapered roller bearings 30221U

Bearing number : 30221U

Size (mm) : 105x190x39

Brand : NTN

Bore Diameter (mm) : 105

Outer Diameter (mm) : 190

Width (mm) : 39

Bearing dimensions and specification in NTN catalogue:

d - 105 mm

D - 190 mm

T - 39 mm

B - 36 mm

C - 30 mm

ra1 max. - 2 mm

a - 38 mm

r min. - 3 mm

r1 min. - 2,5 mm

da min. - 119 mm

Da min - 165 mm

Da max. - 178 mm

db max. - 122 mm

Db min. - 178 mm

ra max. - 2,5 mm

Sa - 6 mm

Sb - 9 mm

Weight - 4,39 Kg

Basic dynamic load rating (C) - 287 kN

Basic static load rating (C0) - 380 kN

(Grease) Lubrication Speed - 1 900 r/min

(Oil) Lubrication Speed - 2 500 r/min

Calculation factor (e) - 0,42

Calculation factor (Y0) - 0,79

Calculation factor (Y2) - 1,43

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