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Miniature Angular Contact Bearings
Angular contact bearing matching method
Angular contact bearings can be matched in various ways, including back-to-back installation, face-to-face installation, tandem installation, triple installation, quadruple installation and free configuration. Each of these pairing methods has its own characteristics and is suitable for different application scenarios: 12
Back-to-back installation: Two single-row angular contact ball bearings are placed back-to-back. The contact angle line spreads along the direction of the rotation axis, which can effectively withstand bidirectional axial loads and provide high rigidity and anti-overturning moment performance.
Face-to-face installation: Two single-row angular contact ball bearings are placed face-to-face, and the contact angle lines converge toward the direction of the rotation axis, which is suitable for occasions where increased preload is required.
Tandem installation: Two single row angular contact ball bearings are arranged in series with the contact angle lines kept parallel. They are suitable for bearing a single axial load. They are usually installed opposite each other at both ends of the machine to maintain axial stability.
Triple installation: The triple configuration of three single-row angular contact ball bearings can bear radial and axial loads in both directions at the same time, but it is not suitable for high-speed rotation environments because it may lead to uneven load distribution.
Quadruple installation: The quadruple configuration of four single-row angular contact ball bearings can withstand loads in multiple directions at the same time. Its preload force and stiffness are twice that of the ordinary configuration, and it is suitable for occasions that bear large ultimate axial loads.
Free configuration: When freely configuring angular contact ball bearings, it is necessary to strictly control the dimensional tolerance of the final grinding plane of the non-base surface of the outer ring to ensure that the width of the inner and outer rings is the same height. It is widely used in the field of precision machine tools.
The choice of these pairings depends on the specific application requirements, such as expected load types, operating conditions and required equipment performance. In applications such as vertical pumps, it is critical to select the appropriate angular contact bearing pairing based on the design and performance requirements of the pump.
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