KOYO 303/28CR Bearing

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KOYO 303/28CR Bearing Description

We supply various of KOYO 303/28CR bearings. bearings is purity material and high precision , the varieties of KOYO bearings is up to thousands of species .KOYO 303/28CR bearings is known as ” the food of machinery industry” and widely used in different environment and mechanical.The purpose of KOYO 303/28CR bearings is the operation and control. In order to ensure the smooth operation and normally rotation,KOYO 303/28CR bearings inquire deeply into the running of the machine and friction phenomenon .KOYO 303/28CR 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 KOYO 303/28CR bearings will be arranged timely for we have a large stock of KOYO 303/28CR bearings in HongKong.

KOYO 303/28CR Bearing Specification

Bearing number : 303/28CR

Size (mm) : 28x68x19.75

Brand : The brand you need

Bore Diameter (mm) : 28

Outer Diameter (mm) : 68

Width (mm) : 19,75

Bearing dimensions and specification in ALIER catalogue:

d – 28 mm

D – 68 mm

T – 19,75 mm

B – 18 mm

C – 14 mm

a – 17,8 mm

r min. – 1,5 mm

r2 min. – 1,5 mm

da min. – 36,5 mm

da max – 37 mm

Da min – 55 mm

Da max. – 59,5 mm

Db min. – 64 mm

ra max. – 1,5 mm

rb max. – 1,5 mm

Weight – 0,332 Kg

Basic dynamic load rating (C) – 51,7 kN

Basic static load rating (C0) – 50,2 kN

(Grease) Lubrication Speed – 6200 r/min

(Oil) Lubrication Speed – 8200 r/min

Calculation factor (e) – 0,55

Calculation factor (Y0) – 0,6

Calculation factor (Y1) – 1,1

Tags :  ALIER , 28x68x19.75