Axial angular contact bearings (ZKLN)
Ceramic ZKLN bearings for axial and radial loads – high precision, long service life, and optimal performance in compact systems.
HQW Precision · ZKLN
ZKLN bearings from HQW Precision are double-row angular contact thrust ball bearings with a contact angle of 60° — giving them high rigidity in the axial direction. They are often used in screw drives where a play-free, rigid bearing is required.
Axial angular contact ball bearings (ZKLN)
Due to the split and matched inner ring, all ZKLN bearings are free of play when installed and have a defined preload. Radial forces are also absorbed. This makes them particularly suited to screw drives and other applications requiring a play-free, rigid bearing.
Materials
ZKLN bearings from HQW are made of chrome-steel rings and steel balls as standard. On request, these are also available in stainless materials such as X65Cr13 (HQW designation: S) or X30CrMoN15-1 (HQW designation: SV) as well as with ceramic balls (Si₃N₄). The cages are usually made of phenolic-resin-reinforced cotton fabric, but can also be made of Torlon® or PEEK. For higher load capacities, full-complement designs (without cage) are possible.
Lubrication
HQW axial angular contact ball bearings are filled at the factory with a heavy-duty lubricating grease. As a rule, this lubrication is sufficient for the entire product life. If this is not the case, all types have a lubrication hole in the outer ring through which the bearing can be relubricated.
Sealing
All bearing designs are provided with a seal as standard. On request, the bearings can also be delivered open. LLU = contact sealing discs · LLB = non-contact sealing discs.
Fields of application
- Screw drives
- Play-free, rigid bearing arrangements
- Machine tools
Spellings: Si₃N₄ also Si3N4.
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