NAV Series 25x47x22mm Needle Roller Bearing NAV4005 For Wheel Hub

NAV Series Size 25x47x22mm Needle Roller Bearing NAV4005 for wheel hub

Needle roller bearing /cam follower is composed of a stud used as the tray of a group of rollers and a thick wall outer ring .The shoulder of the stud and the surface retaining ring on the stud form the guiding faces on the two sides of the outer ring.When the curve rollers are running on the plain tray or cam wheel,the inner stress on the rollers will increase due to the deformation of the outer ring.

Products Information

We offer almost of all types of the needle roller bearings good quality accompany with competitive prices.

This kind of bearing has multiple structural styles for the choice of customers, such as narrow & broad series, with or without inner races, cages, ribs or sealings. It can be designed according to the special structural requirements of customers as well.

Product Precision Accuracy:
Dimensional tolerance and geometrical accuracy is based on GB/T5801.
Mutual difference of needle roller diameter is 2μ M, and the precision grade is G2 (ISO GB309).
The diameter of inscribed circle conforms to tolerance grade F6 before the fitting of outer ring with cage and roller assembly.
Bearing radial running clearance conforms to the value defined by 0 group of GB/T4604.
Special precision grade is based on GB/T307.1
For fuller information on the special requirements of bearing running clearance, inscribed circle and precision grade, please contact this company.

Materials

Material for needle roller is GCr15 bearing steel, quench-hardening HRC60---65.
Material for inner and outer races is GCr15 bearing steel, quench-hardening HRC61---65.
Material for cages is quality low-carbon steel or reinforced nylon.

Shaanxi Fortune Industries Co.,ltd located in Xi’an of the oldest city in China. We have experience for over 15 years, As a professional exporter in Ball & Roller Bearings and Auto Parts on standard and nonstandard, our success is based on:

High Quality Bearing at the Good Price
In this competitive world economy it is critical that we provide you with a bearing that meets your different requirements at an affordable price. We can offer bearings at multiple price points from hundreds of factories established stable relations with us in China.

Experienced Staff
We target specific automotive industries, learn about their particular uses and bearing needs, and supply exactly what is required. We have specialists on staff who understand these markets and can respond promptly. we would be glad to create most suitable solution for your needs.

Bearing in Variety
You will find thousands kinds of bearing on standard on our Website: www.sft-bearings.com, we trust you can choose bearing you required. If you can not identify your bearing, Just tell us the dimensions we offer bearing on non-standard.

Professional Service
Our technical team are experienced in automobile bearings, industry bearings, We are able to provide support on bearing selection, design optimization, product development, bearing mounting, bearing maintenance, lubrication and etc.

Quality control system

In 2011, We have been awarded Quality Management System Certificate No. 00111Q25911R0S / 6100 for compliance with the standard ISO9001 : 2008　＆　GB/T 19001 - 2008 apply in Export of Bearing and Auto Parts.

Bearings and More
In addition to ball and roller bearings and auto parts, we also carry Linear Motion, Roller Chain, Motorcycle Sprocket and more. Please view our website.

Today, All of our products have been exported to dozens of countries and regions all over the world, such as Europe, America, southeast Asia, middle east, Africa etc. and products are used in a broad range of applications, including automobiles, railways, steel industry, motorcycle, agriculture machine, wind turbines, papermaking machine, office equipment, machinery tools etc.

We do best spare parts and transmission parts for you!