SGR35 Double Axis Roller Ball Bearing Linear Motion Guide Rail Kit With Four Two Meter Tracks And Four Silver SGB35 Five Wheel Slider Blocks For Heavy Duty CNC Rigs That Run Smooth As Silk Making Your Weekend Build A Total Win

Precision CNC Linear Motion Rails And Bearing Package
✔️ Four 2850mm Dual Axle Tracks With Quick Assembly Slide Blocks

This kit hands you four dual axis roller ball bearing tracks plus matching silver slider blocks. You get exactly what you need to build smooth moving axes for laser engravers CNC wood routers or home workshop stands. Adjustable collars take the guesswork out of mounting so your project stays level under heavy loads.

✅ Four 2850 millimeter or 112.2 inch rails match standard stepper motor flanges
✅ Hardened steel shafts run through precision ball assemblies for zero lag travel
✅ Eccentric bearing blocks tighten the glide path quickly using built in turn knobs
✅ Anodized aluminum seats stop vibration and protect wiring harnesses from chafing

💡 What does a double shaft linear guide rail actually improve for heavy duty CNC builds? Twin tracks shift weight away from single point mounts to stop frame flex.
- Needle roller slides reduce rolling resistance and keep positioning accurate when changing speeds easily.
- Locked carriage nuts grip the mounting rails firmly while extra screws sit packed handy for quick swaps.
- Rubberized lip seals trap shop dirt and extend the life of costly bearing replacements.

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