Angular contact ball bearings:

Between the ferrule and the ball contact angle, a standard contact angle of 15 °, 30 ° and 40 °

The greater the contact angle greater the axial load capacity.

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

Single row bearings can bear radial load and axial load.

DB combination DF combination of double-row bearings can bear radial load and axial load.

The DT a combination application of axial load is less than the rated load of the single bearing occasions.

High speed with ACH bearing ball diameter is small, the number of balls, mostly used for machine tool spindle.

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

Applicable holder:

Steel stamping cage (bowl-shaped ... single row; S-shaped, crown-shaped ... double row)

Copper alloy or phenolic resin cutting holder, the synthetic resin forming holder.

Main application:

Single row: The machine tool spindles, high frequency motors, gas turbines, centrifuges, small car front wheel, differential pinion shaft

Double row: oil pump, Roots blower, air compressor, transmission, fuel injection pumps, printing machinery

Four-point contact ball bearings

Can bear radial load and axial load

Single bearings can be replaced by the positive combination or the back of a combination of angular contact ball bearings

Applies to withstand pure axial load or axial load component synthetic load

Class bearings withstand any direction of the axial load can be formed when one of the contact angle (α), so the ferrule and ball total

Main application

Aircraft jet engines, gas turbine