---
product_id: 619800367
title: "8mm X 400mm Linear Motion Rail Shaft CNC Linear Rail Shaft Rod with Bearing Support + SC8UU Bearing Block Set for 3D Printer Engraving Machine"
brand: "annadue"
price: "HK$156"
currency: HKD
in_stock: true
category: "Annadue"
url: https://www.desertcart.hk/products/619800367-8mm-x-400mm-linear-motion-rail-shaft-cnc-linear-rail
store_origin: HK
region: Hong Kong
---

# 8mm precision diameter SC8UU low-friction bearing 400mm robust length 8mm X 400mm Linear Motion Rail Shaft CNC Linear Rail Shaft Rod with Bearing Support + SC8UU Bearing Block Set for 3D Printer Engraving Machine

**Brand:** annadue
**Price:** HK$156
**Availability:** ✅ In Stock

## Summary

> ⚙️ Elevate Your Precision Game with Every Slide!

## Quick Answers

- **What is this?** 8mm X 400mm Linear Motion Rail Shaft CNC Linear Rail Shaft Rod with Bearing Support + SC8UU Bearing Block Set for 3D Printer Engraving Machine by annadue
- **How much does it cost?** HK$156 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/619800367-8mm-x-400mm-linear-motion-rail-shaft-cnc-linear-rail)

## Best For

- annadue enthusiasts

## Why This Product

- Trusted annadue brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Plug-and-Play Installation:** Quickly upgrade or replace your linear motion system with easy-to-mount components designed for hassle-free integration.
- • **Durable 400mm Alloy Steel Rod:** Built to withstand industrial-grade wear and tear, guaranteeing long-lasting performance in demanding environments.
- • **Low-Friction SC8UU Bearing Blocks:** Optimized for seamless sliding, reducing maintenance and boosting machine efficiency.
- • **Precision Engineered 8mm Diameter:** Ensures ultra-smooth linear motion with minimal play for flawless CNC and 3D printing results.
- • **Versatile Industrial Compatibility:** Perfectly suited for 3D printers, engraving machines, and other automation equipment—join the makers leading the innovation wave.

## Overview

This 8mm x 400mm linear motion rail shaft set includes high-strength alloy steel rods paired with SC8UU plain bearing blocks and rod supports, delivering low friction and high accuracy for CNC, 3D printing, and engraving applications. Designed for durability and easy installation, it’s the go-to upgrade for professionals seeking reliable, smooth linear motion in industrial automation.

## Description

Specifications: Material: Steel(rod), aluminum Linear Rod Diameter: 8mm Linear Rod Length: 400mm Sliding Block Inner Diameter: 16mm Sliding Block Hole Diameter: 8mm Sliding Block Length: 33mm Sliding Block Height: 21mm Rod Support Hole Diameter: 8mm Rod Support Length: 41mm Rod Support Height: 32mm Weight: 301g(approx.) Package Includes: 1 x Linear Rod 2 x Sliding Blocks 2 x Rod Supports

## Features

- brand new and .
- Good wear and strength, high accuracy, not easy to .
- Has good performances, low friction coefficients and long usage spans.
- Suitable for industrial automation equipment, such as 3D printers, engraving machine,etc.
- Convenient to install, great parts to built projects or replace old ones.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CYBCYRM2 |
| Bearing Number | SC8UU |
| Bearing Type | Plain Bearing |
| Brand Name | Annadue |
| Compatible Lubricant | Grease |
| Country Of Origin | China |
| Customer Reviews | 2.9 2.9 out of 5 stars (3) |
| Included Components | No |
| Item Thickness | 8 Millimeters |
| Item Type Name | Power Transmission Products |
| Item Weight | 304 Grams |
| Manufacturer | Annadue |
| Material Type | Alloy Steel, Aluminum |
| Model | Annaduekvbie891om |
| Outside Diameter | 8 Millimeters |
| Part Number | Annaduekvbie891om |

## Product Details

- **Bearing number:** SC8UU
- **Brand:** Annadue
- **Item thickness:** 8 Millimeters
- **Item weight:** 304 Grams
- **Material:** Alloy Steel, Aluminum

## Images

![8mm X 400mm Linear Motion Rail Shaft CNC Linear Rail Shaft Rod with Bearing Support + SC8UU Bearing Block Set for 3D Printer Engraving Machine - Image 1](https://m.media-amazon.com/images/I/51hihOIMfFL.jpg)

## Frequently Bought Together

- 8mm X 400mm Linear Motion Rail Shaft CNC Linear Rail Shaft Rod with Bearing Support + SC8UU Bearing Block Set for 3D Printer Engraving Machine
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**Shop now:** [https://www.desertcart.hk/products/619800367-8mm-x-400mm-linear-motion-rail-shaft-cnc-linear-rail](https://www.desertcart.hk/products/619800367-8mm-x-400mm-linear-motion-rail-shaft-cnc-linear-rail)

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-07-07*