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Bearing NNU4921

KOYO NNU4921 bearing

Details

Cylindrical roller bearing NNU4921

Bearing number : NNU4921

Size (mm) : 105x145x40

Brand : KOYO

Bore Diameter (mm) : 105

Outer Diameter (mm) : 145

Width (mm) : 40

Bearing dimensions and specification in KOYO 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 :  KOYO , 105x145x40

Bearing NNU4921

Online Message

KOYO NNU4921 bearing Company information

KOYO NNU4921 bearing are widely used in industrial drive, agriculture, compressors, motors and generators, construction, industrial fan, industrial transmission and other fields. KOYO NNU4921 bearing can ensure high quality for more than 80% raw material of KOYO NNU4921 bearing provided by the steel plant.Explorer series bearing of KOYO NNU4921 bearing are better than any brand bearings currently in bearing performance , lifetime, design, and the use of performance. Explorer series bearings of KOYO NNU4921 bearing have more advantages ,such as higher meet rated , lower noise, reducing warranty costs greatly, increasing running time of the machine .

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