
16mm SCS16UU Aluminum Linear Bearing Slide Block Set Closed Pillow Block For CNC And 3D Printer Rails Smooth Motion Low Friction Durable Aluminum Body Chromium Steel Balls 4 Pack
16mm SCS16UU Aluminum Linear Bearing Slide Block Set Closed Pillow Block For CNC And 3D Printer Rails Smooth Motion Low Friction Durable Aluminum Body Chromium Steel Balls 4 Pack
The Story
✔️ 4 pcs aluminum SCS16UU blocks; 16 mm bore; M5 mounting
These four aluminum SCS16UU blocks are designed to slide on LM16UU rails in CNC machines, 3D printers, and other linear guide setups. Each block measures 50x44x38.5 mm (1.97" x 1.73" x 1.52") with M5 mounting holes, and the set provides a cost-effective, ready-to-install solution for precise linear motion.
✅ Material: Aluminum alloy body with chromium steel bearing balls
✅ Bore: 16 mm (0.63")
✅ Block size: 50x44x38.5 mm (1.97" x 1.73" x 1.52")
✅ Mounting: M5 holes for easy attachment
✅ Load ratings: Static 1.18 kN; Dynamic 0.775 kN
✅ Pack: 4 pieces
💡 What is a pillow block bearing used for in linear motion systems?
These handy blocks support guided motion in CNC machines and 3D printers.
- Handy for guiding rails in motion systems - Works with 16 mm bore and LM16UU style rails - Improves load handling and reduces wobble in long runs - Easy to install and replace in DIY and light industrial setups
Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
✔️ 4 pcs aluminum SCS16UU blocks; 16 mm bore; M5 mounting
These four aluminum SCS16UU blocks are designed to slide on LM16UU rails in CNC machines, 3D printers, and other linear guide setups. Each block measures 50x44x38.5 mm (1.97" x 1.73" x 1.52") with M5 mounting holes, and the set provides a cost-effective, ready-to-install solution for precise linear motion.
✅ Material: Aluminum alloy body with chromium steel bearing balls
✅ Bore: 16 mm (0.63")
✅ Block size: 50x44x38.5 mm (1.97" x 1.73" x 1.52")
✅ Mounting: M5 holes for easy attachment
✅ Load ratings: Static 1.18 kN; Dynamic 0.775 kN
✅ Pack: 4 pieces
💡 What is a pillow block bearing used for in linear motion systems?
These handy blocks support guided motion in CNC machines and 3D printers.
- Handy for guiding rails in motion systems - Works with 16 mm bore and LM16UU style rails - Improves load handling and reduces wobble in long runs - Easy to install and replace in DIY and light industrial setups






















