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NTN 4T-LM12749/LM12711 bearing

Bearing 4T-LM12749/LM12711

NTN 4T-LM12749/LM12711, Size: 21.986x45.974x15.494. NTN 4T-LM12749/LM12711 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-LM12749/LM12711

Bearing number : 4T-LM12749/LM12711

Size (mm) : 21.986x45.974x15.494

Brand : NTN

Bore Diameter (mm) : 21,986

Outer Diameter (mm) : 45,974

Width (mm) : 15,494

Bearing dimensions and specification in NTN catalogue:

d - 21,986 mm

D - 45,974 mm

T - 15,494 mm

B - 16,637 mm

C - 12,065 mm

ra1 max. - 1,3 mm

a - 5,4 mm

Da - 40 mm

db - 26 mm

ra max. - 1,3 mm

da - 27,5 mm

Db - 42,5 mm

Weight - 0,123 Kg

Basic dynamic load rating (C) - 29,6 kN

Basic static load rating (C0) - 34 kN

(Grease) Lubrication Speed - 8 400 r/min

(Oil) Lubrication Speed - 11 000 r/min

Calculation factor (e) - 0,31

Calculation factor (Y0) - 1,08

Calculation factor (Y2) - 1,96

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