Nema 34 Stepper Motor Steel Mounting Bracket And BK20 Fixed End Support Bearing Mount For 86mm Nema 34 Motors And 25mm CNC Ball Screw Kit SFU2505 SFU2510 2525 2550 2504 Ideal For CNC Machining 3D Printer Linear Motion Systems

Fixed BK20 End Support for 86mm NEMA34 Ball Screw Kit ✔️ BK20 fixed end mount for 86mm NEMA34 and 25mm ball screw kit, 1 piece

This mounting bracket pairs a BK20 fixed end bearing block with a motor mount for 86mm NEMA 34 stepper motors. It’s designed for precise alignment with 25mm ball screws, making it a solid choice for CNC machines, 3D printers, and other precision-driven setups. Custom lengths available; contact us for a quote.

✅ Cast steel housing ensures high hardness, rigidity, and long life
✅ Aligns motor shaft, coupling, and ball screw axis to minimize drift and wear
✅ Includes housing, gland, 2 topping rings, 2 oil seals, and 2 deep groove bearings
✅ Optional angular contact bearing available on request; tailored ends for your length

💡 What is a fixed end support used for in ball screw systems? A handy component that keeps alignment and bears axial load, boosting precision and longevity of motion systems.
- Helps maintain straight motion in CNC machines and 3D printers
- Supports 25mm ball screws (SFU2505/2510/2525/2550) with 86mm motor mounts
- Improves stiffness, reduces wear, and extends life

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