Angular contact ball bearings

There is a contact angle between the ring and the ball, and the standard contact angles are 15°, 30° and 40°

The larger the contact angle, the greater the axial load capacity

The smaller the contact angle, the more conducive to high-speed rotation

Single-row bearings can withstand radial loads and unidirectional axial loads

DB combination, DF combination and double-row bearings can withstand radial loads and bidirectional axial loads

DT combination is suitable for occasions where the unidirectional axial load is large and the rated load of a single bearing is insufficient

High-speed ACH type bearings have a small ball diameter and a large number of balls, and are mostly used in machine tool spindles

Angular contact ball bearings are suitable for high-speed and high-precision rotation

The structure is that two single-row angular contact ball bearings are combined on the back and share the inner and outer rings, which can bear radial loads and bidirectional axial loads

There are also sealed types for bearings without filling grooves

Mainly applicable cages: steel plate stamping cages (bowl-shaped...single row; S-shaped, crown-shaped...double row)

Copper alloy or phenolic resin cut cages, synthetic resin formed cages

Main uses: single row: machine tool spindles, high-frequency motors, gas turbines, centrifugal separators, small car front wheels, differential pinion shafts

Double row: oil pumps, Roots blowers, air compressors, various transmissions, fuel injection pumps, printing machinery.