NTN 4T-LM12749/LM12711 Bearing

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NTN 4T-LM12749/LM12711 Bearing Description

We supply various of NTN 4T-LM12749/LM12711 bearings. bearings is purity material and high precision , the varieties of NTN bearings is up to thousands of species .NTN 4T-LM12749/LM12711 bearings is known as ” the food of machinery industry” and widely used in different environment and mechanical.The purpose of NTN 4T-LM12749/LM12711 bearings is the operation and control. In order to ensure the smooth operation and normally rotation,NTN 4T-LM12749/LM12711 bearings inquire deeply into the running of the machine and friction phenomenon .NTN 4T-LM12749/LM12711 bearings is widely used in automobile, motor, gear, injection molding machines, machine tools, mining machinery, engineering machinery, motorcycles, office equipment, paper making machinery, pumps and compressors, wind power generator and so on.The shipment of NTN 4T-LM12749/LM12711 bearings will be arranged timely for we have a large stock of NTN 4T-LM12749/LM12711 bearings in HongKong.

NTN 4T-LM12749/LM12711 Bearing Specification

Bearing number : 4T-LM12749/LM12711

Size (mm) : 21.986×45.974×15.494

Brand : The brand you need

Bore Diameter (mm) : 21,986

Outer Diameter (mm) : 45,974

Width (mm) : 15,494

Bearing dimensions and specification in ALIER 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

Tags :  ALIER , 21.986×45.974×15.494