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NTN 4T-749A/742 bearing

Bearing 4T-749A/742

NTN 4T-749A/742, Size: 82.55x150.089x44.45. NTN 4T-749A/742 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-749A/742

Bearing number : 4T-749A/742

Size (mm) : 82.55x150.089x44.45

Brand : NTN

Bore Diameter (mm) : 82,55

Outer Diameter (mm) : 150,089

Width (mm) : 44,45

Bearing dimensions and specification in NTN catalogue:

d - 82,55 mm

D - 150,089 mm

T - 44,45 mm

B - 46,672 mm

C - 36,512 mm

ra1 max. - 3,3 mm

a - 12 mm

Da - 134 mm

db - 93 mm

ra max. - 3,5 mm

da - 99 mm

Db - 142 mm

Weight - 3,37 Kg

Basic dynamic load rating (C) - 261 kN

Basic static load rating (C0) - 360 kN

(Grease) Lubrication Speed - 2 400 r/min

(Oil) Lubrication Speed - 3 200 r/min

Calculation factor (e) - 0,33

Calculation factor (Y0) - 1,01

Calculation factor (Y2) - 1,84

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