Duplex pairs and axial preloading
IntroductionSelection GuideEngineeering DataBrochure
Duplex Pairs
Duplex bearings
are a pair of angular contact RBC Thin Section Ball Bearings specially
ground for use as a matched set. A duplexed pair can be used to provide
accurate shaft location, to increase capacity or to increase stiffness
of the bearing assembly. A duplex pair of RBC Thin Section Ball Bearings
is ground so that when mounted using recommended fits, there will be
no internal clearance in the bearings. There are three basic mounting
methods to accommodate different loading requirements:
- Back-to-Back
(DB) B-Type
- Face-to-Face
(DF) F-Type
- Tandem (DT),
T-Type
Back-to-Back,
DB
B-Type
- Heavy radial
loads
- Combined thrust
& radial loads
- Reversing thrust
load
- Excellent rigidity
- Moment loads
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