KFL08 8mm Shaft Mount Flange Pillow Block Bearing
The KFL08 Flange Pillow Block Bearing is a compact, precision-mounted bearing designed for 8 mm shafts. It combines a sealed stainless steel ball bearing with a sturdy two-bolt flange housing, providing reliable rotational support for 3D printers, CNC machines, and lead-screw assemblies. With a low-profile 45 × 25 × 10 mm footprint and M5 mounting holes, the KFL08 is easy to install and ideal for DIY automation, robotics, and linear motion projects.
حامل المحمل ذو الشفة KFL08 هو محمل دقيق ومدمج مصمم لـالمحاور بقطر 8 ملم. يجمع بين محمل كروي من الفولاذ المقاوم للصدأ المختوم وهيكل شفة بفتحتين للتثبيت، مما يوفر دعماً دورانياً موثوقاً لـالطابعات ثلاثية الأبعاد وآلات CNC ومحاور البراغي المسننة. بأبعاد مدمجة 45 × 25 × 10 ملم وفتحات تثبيت M5، يسهل تركيب KFL08 وهو مثالي لـمشاريع الأتمتة والروبوتات والحركة الخطية.
The KFL08 Flange-Mounted Pillow Block Bearing is a precision-engineered rotational support component designed for 8 mm diameter shafts and lead screws. It combines a sealed deep-groove ball bearing with a compact, two-bolt flange housing, providing a complete bearing solution that is ready to mount directly onto your machine frame or panel.
The internal bearing is constructed from stainless steel with rubber seals to protect against dust, debris, and moisture — a critical feature in workshop environments, 3D printers, and CNC machines where contamination can quickly degrade bearing performance. The outer housing is finished in a black coating that resists corrosion and provides a clean, professional look.
The KFL08 features a flange-style mounting plate with two M5 bolt holes for secure installation onto flat surfaces, T-slot aluminum extrusion, or custom-machined plates. The compact 45 × 25 × 10 mm footprint allows it to fit into tight spaces, while still providing the rigidity needed to support continuous rotation under load.
This bearing is most commonly used to support lead screws (T8, M8) on the Z-axis of 3D printers, as a shaft end support in linear motion systems, or as a general-purpose bearing mount in DIY CNC and robotics projects. Its self-aligning design accommodates minor shaft misalignment, ensuring smooth operation and long bearing life.
A typical installation uses two KFL08 units — one at each end of the shaft or lead screw — to provide stable, vibration-free rotation. The KFL08 is fully compatible with standard 8 mm steel shafts, T8 lead screws, and M8 threaded rods when paired with appropriate couplers.
Specifications
- Model: KFL08
- Type: Flange-Mounted Pillow Block Bearing (Two-Bolt Flange)
- Bearing Material: Stainless Steel with rubber seals
- Housing Color: Black
- Bearing Internal Diameter (Bore): 8 mm (0.3")
- Bearing Outside Diameter: 20 mm (0.8")
- Bearing Width: 10 mm (0.4")
- Pillow Block Dimensions (L × W × T): 45 × 25 × 10 mm (1.8" × 1" × 0.4")
- Mounting Hole Diameter: 5 mm (for M5 bolts)
- Net Weight: 27 g
- Seal Type: Double-sealed (dust and moisture resistant)
- Lubrication: Pre-greased for maintenance-free operation
Dimensional Reference Table
| Model | D (Bore) | H | J | A1 | A2 | A | N | L | B | S | C1 | Zs |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| KFL08 | 8 | 48 | 36 | 4 | 4 | 8.5 | 5 | 27 | 11 | 3 | 4 | 12 |
| KFL000 | 10 | 60 | 45 | 5.5 | 5.5 | 11.5 | 7 | 36 | 14 | 4 | 6 | 22 |
| KFL001 | 12 | 63 | 48 | 5.5 | 5.5 | 11.5 | 7 | 38 | 14.5 | 4 | 6.5 | 22 |
Applications
- 3D Printers — Z-axis lead screw support (Prusa, Ender, CR-10, RepRap builds)
- CNC Routers and Mills — small to medium DIY machines
- Laser Cutters and Engravers
- Linear Motion Systems for lab and prototyping work
- Lead Screw Assemblies (T8, M8 threaded rods)
- DIY Automation and Robotics Projects
- Camera Sliders and Motion Rigs
- Conveyor Belt Systems (light-duty)
- Pick-and-Place Machines
- Educational Mechatronics and STEM Kits
- Custom Linear Actuators and motion stages
- Workshop Tooling and small machinery