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7008 Angular Contact Ball Bearing

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    2019-11-27 00:29

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Company Profile

Hong Kong Bearing Group Ltd

By certification [File Integrity]

Contact: jndeyiruisheng(Mr.)  




Area: Beijing

Address: Beijing

Website: http://www.hongkongbearings.com/ http://jndeyiruisheng.xuh168.com/

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Product details

Product Introduction

High precision angular contact ball bearings (Standard Series) including 79 series, 70 series and 72 Series. Bearing 7008 CTYNSULP4 are single row angular contact ball bearing. This type of bearing has a line connecting the contact points drawn in the radial direction, which is called the contact angle. The contact angle makes the bearing suitable for accommodating radial loads, single direction axial loads, and a combination of both. And, since an axial component is generated when a radial load is applied, these bearings are generally used in pairs, triplex sets, quadruplex sets, or multiplex sets.

Product specification

Bearing No.:


Main dimensions

D: 40mm x D: 68mm x B: 15mm

Inside diameter(ID d)

40 mm

Outside diameter(OD D)

68 mm


15 mm

Limiting speeds Grease(rpm)

21300 r/min

Limiting speeds Oil(rpm)

32500 r/min




Angular contact ball bearing


High Precision Angular Contact Ball Bearings

Product feature and application

Super Precision Angular Contact bearings are specifically designed for rigid, high-speed, high-precision machine tool spindles. Their state-of the-art preload control assures consistent high performance. Super Precision Angular contacts are also available with seals.

High precision angular contact ball bearings can be applied in Boring Machinery, Grinders, Machining Centers, Milling Machines, Slicing Machines, Drilling Machines and Gem Cutting Machines.

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a) How to prolong service life of bearings?

Accurate installation and using,alignment,timely monitor,re lubrication etc.

b) Reason for bearings failure?

Usually is incorrect using method,pollution,improper use of lubricant,damage happened in installation and handing,also including installation error.according to the traces can know the reason why is failure.

c) When select bearings specifications, what you need to consider?

The precision of the bearings(rotating precision,dimensional tolerances)internal clearance and preload bearing material and heat treatment.structure of cage and material.