Name: SBR20 350mm Linear Guide Rail With Two SBR20UU Preloaded Blocks For CNC Rigs And 3D Printers 20mm Diameter 45mm Wide 150mm Pitch Smooth Precise Motion And Easy Mount
Brand: Bearings
SKU: sbr20-350mm-linear-guide-rail-with-two-sbr20uu-pre
Availability: InStock

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SBR20 350mm Linear Guide Rail With Two SBR20UU Preloaded Blocks For CNC Rigs And 3D Printers 20mm Diameter 45mm Wide 150mm Pitch Smooth Precise Motion And Easy Mount

$58.44

Original: $166.98

-65%

SBR20 350mm Linear Guide Rail With Two SBR20UU Preloaded Blocks For CNC Rigs And 3D Printers 20mm Diameter 45mm Wide 150mm Pitch Smooth Precise Motion And Easy Mount—

$166.98

$58.44

Original: $166.98

-65%

SBR20 350mm Linear Guide Rail With Two SBR20UU Preloaded Blocks For CNC Rigs And 3D Printers 20mm Diameter 45mm Wide 150mm Pitch Smooth Precise Motion And Easy Mount—

$166.98

$58.44

The Story

SBR20 350mm rail with two preloaded blocks
✔️ Rail: 350mm long, 20mm dia, 45mm wide; 150mm pitch; 2 blocks

This high-precision linear guide rail set provides smooth, accurate motion for CNC rigs and 3D printers. It’s designed for easy mounting and long-lasting performance in DIY and industrial settings.

✅ Rail length 350mm (13.65"), width 45mm (1.76"), diameter 20mm (0.79"), pitch 150mm (5.85")
✅ Includes 2x SBR20UU preloaded blocks with M6 bolts
✅ Pre-drilled holes and vertical/horizontal mounting options
✅ Chrome-plated bearing steel and aluminum alloy for durability
✅ Anti-backlash design for precise, repeatable motion
✅ Suitable for CNC routers, laser welders, 3D printers, and X-Y tables
✅ Package: 1 rail + 2 blocks included

💡 What is a linear guide rail with preloaded blocks used for in DIY CNC and 3D printing?

This handy setup helps achieve precise, repeatable motion in small to mid-size machines.

Enhances straightness and reduces backlash for repeatable moves
Allows easy alignment and mounting on custom frames
Supports common sizes like SBR20UU blocks for broad compatibility
Works well in CNC routers, laser cutters, and 3D printers