Needle roller bearings

본문 바로가기


Home > Product > Needle roller bearings
Product
Needle roller bearings
Posting date : Dec 26, 2011
Membership
Free Member Scince Sep 10, 2010
Keyword :
Category
Contact
          0 likes     
Product Detail
Company Info
 
Quick Detail
Place of Origin
HS-CODE
11-
Package & Delivery Lead Time
Detailed Description
A needle roller bearing is a bearing which uses small cylindrical rollers. They are used to reduce friction of a rotating surface. Needle bearings have a large surface area that is in contact with the bearing outer surfaces compared to ball bearings. Additionally there is less added clearance (difference between the diameter of the shaft and the diameter of the bearing) so they are much more compact. The typical structure consists of an inner race (or sometimes merely a shaft), a needle cage which orients and contains the needle rollers, the needle rollers themselves, and an outer race. Needle bearings are suitable when the rotational speed is relatively low. Radial needle bearings are cylindrical and use rollers parallel to the axis of the shaft. Thrust needle bearings are flat and use a radial pattern of needles. Needle bearings are heavily used in engine components such as rocker arm pivots, pumps, compressors, and transmissions. The drive shaft of a rear-wheel drive vehicle typically has at least 8 needle bearings (4 in each U joint) and often more if it is particularly long, or operates on steep slopes.

ECROBOT CO., Ltd, Business Registration Number : 220-88-71747, CEO J.W.Park, TEL : +82-2-552-7676, E-mail : E-mail : Contact us
Address : (Hwanghwa B/D 11F, Yeoksam-dong)320, Gangnam-daero, Gangnam-gu, Seoul, South Korea
About Us Privacy Policy Terms of use Copyright © 2000-2024 ECROBOT.COM. All rights reserved.
Top