The NSK BSF/BSN Series of Ball Screw Support Bearings are designed to specifically meet the demanding requirements of modern Machine tools: the accurate, quick and efficient positioning of a work piece or a machine component.
Condition Description
- Fitting
- High Accuracy
- High Load
- High Temperature
- Lubrication
Product Features
- Special design double row angular contact thrust ball bearing in back-to-back (DB) arrangement
- Available as housing mounted BSN type or direct-mount BSF type with eccentric flanged outer ring
- With low friction, multi-lip contact seals
- Greased for life, but equipped with outer ring lubrication groove and holes to facilitate relubrication during operation
- BSF type features outer ring mounting holes and extraction groove for easy direct installation and removal
- With 60° contact angle
- With P2B accuracy (ISO class 2 with special dimensional tolerances)
- Available for bore diameters from 12 to 60 mm
- Available in matched pairs (BSN type only)
Operating Benefits
- Double row design and high contact angle accommodates high axial loads in both directions
- Multi-lip contact seals ensure excellent grease retention and high resistance to dust penetration, with low friction and low heat generation at high speeds
- Easy installation
