Rotating nut roller screws - SKF EWELLIX SRR BRR
The main purpose of this solution is to minimize the inertia phenomenon associated with long rotating shafts. SKF offers a range of satellite roller screws with the nut supported by bearings fitted inside a steel housing. The electric motor drives the nut via a tension belt, and the nut assembly moves along the fixed screw shaft.
Features and benefits
- 72 series angular contact bearings are directly mounted on the nut outer diameter
- Bearings are preloaded in back-to-back arrangement in order to fully support the moment created by the belt tension
- 2 Nilos rings protect the bearings against pollution and permit lubrication for life
- Wipers are mounted at each end of the nut in the standard configuration for better protection against contamination
- The screw assembly is lubricated through a nipple mounted on the housing external diameter with standard SKF LGEP2, or according to customer specifications
- SRR version with axial play
- BRR version with backlash elimination
- Compact solution ready for use in machinery
- Simplified engineering for machine builders
If you need more information about this product, feel free to contact us, for productdetails please have a look into our website in german language - thank you !
Download:
https://www.ihb.ch/media/H5T1FTG2/SKF_www.ihb.ch_e_CAT_Linearmotion_comp.pdf
Further downloads, documentation available on request
Source: SKF EWELLIX: