Angular contact ball insulated bearing rings have contact angles with the ball. Standard contact angles are 15°, 30° and 40°. The greater the contact Angle, the greater the axial bearing capacity. The smaller the contact Angle, the more conducive to high-speed rotation.
Single row insulated bearings can bear radial load and unidirectional axial load, DB, DF and double-row bearings can bear radial load and bidirectional axial load. DT combination is suitable for large uniaxial load and insufficient rated load of single bearing. A high-speed ACH bearing ball has a small diameter and many balls, which are mostly used for machine tool spindles.
Angular contact ball bearings are suitable for high-speed and high-precision rotating structures of two single row angular contact ball bearings combined on the back. The shared inner ring and outer ring can bear radial load and bidirectional axial load.
Non-filled groove bearings also have a sealed type. The main applicable cage are: steel stamping cage (bowl-shaped... Single row; S-shaped, coronal... Double row) copper alloy or phenolic resin cutting cage, synthetic resin forming cage.
Single row: machine tool spindle, high-frequency motor, gas turbine, centrifugal separator, car front wheel, differential pinion shaft
Double row: oil pump, Roots fan, air compressor
All kinds of gearbox, fuel injection pump, printing machinery.
Four-point contact ball bearing can bear radial load and bidirectional axial load. Angular contact ball bearings can be replaced by single bearings with front and back combinations. Suitable for bearing pure axial load or synthetic load with large axial load component. This type of bearing is capable of forming contact angles (α) for axial loads in any direction so that the ring and ball are always on any contact line. Mainly suitable for cage: copper alloy cutting cage.
Main applications: jet engine, gas turbine, etc.
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Main purpose of the use of angular contact ball insulated rolling bearings…
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