BK12 & BF12 Ball Screw End Support Set for 16mm Ball Screws
Part number: BK12/BF123D Printer & CNC Parts
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Prices updated: 13 Oct 2026
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About this product
A matched pair of end support bearing units, one BK12 and one BF12, for mounting the ends of ball screws on CNC machines. They are designed for ball screws such as SFU1605, SFU1610 and SFE1616, and keep the screw shaft aligned with the machine axis.
Specifications
- Model
- BK12 / BF12
- BK12 inner diameter
- 12mm
- BF12 inner diameter
- 10mm
- Material
- Carbon steel
- Color
- Black
- Compatible ball screws
- SFU1605, SFU1610, SFE1616
- Package contents
- 1 x BK12 + 1 x BF12
Frequently asked questions
Can BK12 and BF12 be used interchangeably?
No. They have different bores (12mm and 10mm) and are designed to be used as a pair, one at each end of the screw. Check the screw end diameter before fitting.
Does the set include the ball screw or the nut?
No. The set contains only the two end support units. The ball screw, nut and mounting plate are separate parts.
