NTN 21308C Bearing

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NTN 21308C Bearing Description

We supply various of NTN 21308C bearings. bearings is purity material and high precision , the varieties of NTN bearings is up to thousands of species .NTN 21308C bearings is known as ” the food of machinery industry” and widely used in different environment and mechanical.The purpose of NTN 21308C bearings is the operation and control. In order to ensure the smooth operation and normally rotation,NTN 21308C bearings inquire deeply into the running of the machine and friction phenomenon .NTN 21308C 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 21308C bearings will be arranged timely for we have a large stock of NTN 21308C bearings in HongKong.

NTN 21308C Bearing Specification

Bearing number : 21308C

Size (mm) : 40x90x23

Brand : The brand you need

Bore Diameter (mm) : 40

Outer Diameter (mm) : 90

Width (mm) : 23

Bearing dimensions and specification in ALIER catalogue:

d – 40 mm

D – 90 mm

B – 23 mm

C – 23 mm

r min. – 1,5 mm

da min. – 48,5 mm

Da max. – 81,5 mm

ra max. – 1,5 mm

Weight – 0,705 Kg

Basic dynamic load rating (C) – 88 kN

Basic static load rating (C0) – 90 kN

(Grease) Lubrication Speed – 4 900 r/min

(Oil) Lubrication Speed – 6 400 r/min

Calculation factor (e) – 0,26

Calculation factor (Y0) – 2,5

Calculation factor (Y1) – 2,55

Calculation factor (Y2) – 3,8

Tags :  ALIER , 40x90x23