Angular contact ball bearing
Angular contact ball bearings have a greater number of balls and higher capacities than deep groove ball bearings with the same boundary dimensions and are suitable for higher loads and speeds with proper lubrication. However, because of the absence of a flange on one side of the outer race, they are capable of supporting thrust loading in only one direction. This is why most applications employ two of the same bearing bearings facing opposite directions, often as a duplex pair. To obtain American BAC bearings capable of duplex mounting, they must be ordered “flush ground”, designated by the “G” suffix. “G” basically means “No axial clearance, no preload.” In cases where the tandem mounting is required, another bearing with thrust capability is usually employed on the shaft to take thrust or locate the shaft in the opposite direction as the pair.
Preloading is often employed with duplex pairs of BAC bearings for various reasons, and their suffix designations are as follows:
Flush ground BAC bearings are sold and packaged individually, meaning any two randomly selected “G” bearings can be mounted together. Preloaded bearings follow the common industry practice of being sold individually, but packaged in pairs.
All American angular contact bearings come with a standard machined brass cage and will have an “M” suffix in their bearing numbers.
Unless otherwise specified by the end user, we will supply bearings with the popular 40 degree contact angle: “B” suffix. These types of bearings are found in vertical motor, pumps, and thrust application throughout industry.
We can manufacture industry standard and custom designs from 8”/200mm bore to 63”/1600mm bore.
Angular contact ball bearings have inner and outer ring raceways that are displaced relative to each other in the direction of the bearing axis.This means that these bearings are designed to accommodate combined loads,i.e.simultaneously actingradial and axial loads.
The axial load carrying capacity of angular contact ball bearings increases as the contact angle increases.The contact angle is defined as the angle between the line joining the points of contact of the ball and the raceways in the radial plane,along which the combined load is transmitted from one raceway to another,and a line perpendicular to the bearing axis.
234420B Angular Contact Ball Bearing
Gcr15 Bearing steel
P4 P5 P6
OEM,ODM Or Customized
30-45 days after samples approved and deposit received.
T/T, L/C at sight
The bearings have high rotational accuracy and limit speed, low friction and low temperature rise
Angular contact ball bearings for high speed and high precision rotation
Single row: machine tool spindle, high frequency motor, gas turbine, centrifugal separator, small car front wheel, differential pinion shaft. Double row: oil pump, Roots blower, air compressor, various transmissions, fuel injection pumps, printing machinery
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