KOYO Bearings

KOYO bearings 02473/02421

Model:02473/02421


Dimensions(mm):  25.4x68.263x22.228


Whatsapp:  +86 18554001053


Email:  skfnskoyo@gmail.com


Payment:  L/C, T/T, D/P, Money Gram,  Western Union, Paypal 


Sample:  Free Samples Is Available


 Delivery Terms: By Sea, Air Or Express-DHL,FedEx, TNT, UPS, EMS 



Description

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A single row cylindrical roller bearing has an outer ring, and its inner ring and a group of conical rollers are enclosed by a basket-shaped cage to form an inner ring assembly. The outer ring can be separated from the inner ring assembly. According to the ISO dimensions standard for cylindrical roller bearings, any standard type of cylindrical roller bearing's outer ring or inner ring assembly should be able to achieve international interchangeability with the same type of outer ring or inner ring assembly. That is, for the same type of outer ring, except for the external dimensions and tolerances which must comply with ISO492 (GB307) regulations, the cone angle and the diameter of the component cone of the inner ring assembly must also comply with the interchangeability regulations.

Usually, the cone angle of the outer ring raceway of a single row cylindrical roller bearing is between 10° and 19°, and it can withstand the combined action of axial load and radial load. The larger the cone angle, the greater the ability to withstand axial load. Bearings with a large cone angle, the suffix B is added, the cone angle is between 25° and 29°, and they can withstand larger axial loads. In addition, single row cylindrical roller bearings can adjust the clearance during installation.

The outer ring (or inner ring) of a double row cylindrical roller bearing is a single unit. The two inner rings (or outer rings) have similar small end faces, and there is a spacer ring in the middle. The clearance is adjusted by the thickness of the spacer ring, and the preload of the double row cylindrical roller bearing can also be adjusted by the thickness of the spacer ring.

For four-row cylindrical roller bearings, the performance of this type of bearing is basically the same as that of double-row cylindrical roller bearings, but it can withstand larger radial loads and has a slightly lower limit rotational speed. It is mainly used in heavy machinery.

Multi-sealed double and four-row cylindrical roller bearings provide long-life, multi-sealed double and four-row cylindrical roller bearings. The bearings are personalized and newly designed, changing the traditional design method of fully sealed bearings, adopting a new type of sealing and dust-proof combined sealing structure, improving the sealing effect, and enhancing the sealing performance. Compared with open structure bearings, the life of multi-sealed double and four-row cylindrical roller bearings is increased by 20% to 40%; the lubricant consumption is reduced by 80%.

300-koyo

Tapered roller bearings 02473/02421

Bearing number : 02473/02421

Brand : KOYO

Bore Diameter (mm) : 25,4

Width (mm) : 22,225

Bearing dimensions and specification in IUA catalogue:

d - 25,4 mm

T - 22,225 mm

B - 22,225 mm

C - 17,462 mm

a - 17,1 mm

r min. - 0,8 mm

r1 min. - 0,8 mm

Da - 59 mm

db - 33,5 mm

da - 34,5 mm

Db - 63 mm

Basic dynamic load rating (C) - 51 kN

Basic static load rating (C0) - 61,1 kN

Calculation factor (e) - 0,42

Calculation factor (Y0) - 0,79

Calculation factor (Y1) - 1,44

Tags :  IUA    25.4x68.263x22.228



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Jinan IUA Bearing Co., LTD

Location

Room 3203, Mingzhu Business Port, Jingyi Road, Jinan City, Shandong Province

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0086 18554001053

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skfnskoyo@gmail.com

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