Single Row Angular Contact Ball Bearings

High Quality Single Row Angular Contact Ball Bearings 7207 7207B 7207C 35*72*17mm for Numerical Control Lathe

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Product Details

High Quality Single Row Angular Contact Ball Bearings 7207 7207B 7207C 35*72*17mm for Numerical Control Lathe


High Quality Single Row Angular Contact Ball Bearings 7207 7207B 7207C 35*72*17mm for Numerical Control Lathe

Material

Chrome Steel

Model

7207

Brand

JRDB

Vibration level

V1, V2, V3

Clearance

C2,C3,C4

Certificate

ISO9001:2000

Size

35*72*17mm

Application

Numerical control lathe

Services

OEM customized services

Precision Rating

P0, P6,P5,P4 P2

Packaging Details

1. Industrial packaging: plastic bag/plastic tube + kraft paper + carton + plywood pallets

2. 2. Commercial packing: 1pc/plastic bag + color box + carton + plywood pallets

3. 3. As the clients' requirement

Delivery Detail

Shipped in 2 days after payment

Payment Terms

L/C,T/T,Western Union,MoneyGram,Paypal





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Angular contact ball bearing uses axially asymmetric races. An axial load passes in a straight line through the bearing, whereas a radial load takes an oblique path that tends to want to separate the races axially. So the angle of contact on the inner race is the same as that on the outer race. 
Angular contact bearings better support "combined loads" (loading in both the radial and axial directions) and the contact angle of the bearing should be matched to the relative proportions of each. The larger the contact angle (typically in the range 10 to 45 degrees), the higher the axial load supported, but the lower the radial load. In high speed applications, such as turbines, jet engines, and dentistry equipment, the centrifugal forces generated by the balls changes the contact angle at the inner and outer race. Ceramics such assilicon nitride are now regularly used in such applications due to their low density (40% of steel). These materials significantly reduce centrifugal force and function well in high temperature environments. They also tend to wear in a similar way to bearing steel—rather than cracking or shattering like glass or porcelain.
Most bicycles use angular-contact bearings in the headsets because the forces on these bearings are in both the radial and axial direction.
Angular contact ball bearing type:
Single row angular contact ball bearing: only carry a direction of the axial load, when in bear radial load, can cause additional axial force must be applied to the corresponding reverse load, therefore, the bearings are generally used in pairs.
Double row angular contact ball bearing: At the same time can bear radial and axial load joint load, limit shaft on both sides of the axial displacement.
Angular contact ball bearing main technical indicators: 
(1) Bearing precision index: More than GB / 307.1-94 P4 level accuracy 
(2) High-speed performance index: 1.3~1.8x 106 /min 
(3)Service life:more than 1500h
Feature: 
1) Load capacities are higher than deep groove ball bearings of same dimensions 
2) Used for bearing radial-axial combined loads or pure thrust loads
3) Low operating friction and high limiting speed 
Type: 
1). Single row angular contact ball bearings 
2). Double row angular contact ball bearings 
3). Four-point contact ball bearings 

4).Bearing angle:A(30°)、 AC(25°)、 B(40°) 、C(15°)

Mounting :

/DB: Mount in duplex, back to back 
/DF: Mount in duplex, face to face 
/DT: Mount in duplex, tandem 
Tolerance & Precision.
Accuracy from low to high is expressed as P0 ( general ), P6 (P6X), P5, P4, P2
The main application: 
Single row angular contact ball bearings: 
machine tool spindles, high frequency motors, gas turbines , centrifuges, small car front wheel , differential pinion shaft , booster pumps, drilling platforms, food machinery, dividing head, fill welding , low-noise cooling tower , electrical and mechanical equipment, painting equipment , machine slot board , arc welding machine
Double row angular contact ball bearings: 
pump, blower , air compressor , various types of transmission , fuel injection pump , printing machinery , planetary reducer, extraction equipment , cycloid reducer , food packaging machinery , welding machines, electric irons, square box , gravity gun , wire strippers , axle, test analysis equipment , chemical machinery.

Cage

steel cage, copper cage, nylon cage, iron cage.


jrdb bearing

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jrdb bearing

angular contact ball bearing

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Vincent

Skype:chossyzhao

Email:vincent@okbearing.com
Fax:86-531-87953958
Whatsapp:+8615610444148
Telephone:86-531-87188661
Address:#206 Lu fu business center, jing si road and wei shi er road crossing, Huai yin distric, Jinan city, Shandong province.


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