KOYO NNU4921 Bearing

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KOYO NNU4921 Bearing Description

We supply various of KOYO NNU4921 bearings. bearings is purity material and high precision , the varieties of KOYO bearings is up to thousands of species .KOYO NNU4921 bearings is known as ” the food of machinery industry” and widely used in different environment and mechanical.The purpose of KOYO NNU4921 bearings is the operation and control. In order to ensure the smooth operation and normally rotation,KOYO NNU4921 bearings inquire deeply into the running of the machine and friction phenomenon .KOYO NNU4921 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 NNU4921 bearings will be arranged timely for we have a large stock of KOYO NNU4921 bearings in HongKong.

KOYO NNU4921 Bearing Specification

Bearing number : NNU4921

Size (mm) : 105x145x40

Brand : The brand you need

Bore Diameter (mm) : 105

Outer Diameter (mm) : 145

Width (mm) : 40

Bearing dimensions and specification in ALIER catalogue:

d – 105 mm

Fw – 118 mm

D – 145 mm

B – 40 mm

C – 40 mm

r min. – 1,1 mm

da min. – 111,5 mm

da max – 116 mm

Da max. – 138,5 mm

db min – 120 mm

ra max. – 1 mm

Weight – 2 Kg

Basic dynamic load rating (C) – 157 kN

Basic static load rating (C0) – 306 kN

(Grease) Lubrication Speed – 3900 r/min

(Oil) Lubrication Speed – 4600 r/min

Tags :  ALIER , 105x145x40