What is the diameter of SBR12/SBR16/SBR20/SBR25?

Hello, their diameters are 12mm/16mm/20mm/25mm.

What material is the linear guide made of? Is it stainless?

Hello, the material of linear guide is made of carbon steel, bearing steel, and aluminum alloy for rust resistance and high durability.

Are CAD drawings available?

Hello, unfortunately we don't have CAD drawings, but we have detailed data reference drawings.

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

Account Cart

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

Account Cart

4Pcs SBR16UU Linear Rail Bearing Slide Block 16mm Aluminum Open Block, CNC Parts for SBR16 16mm Linear Guide Rail

4Pcs SBR16UU Linear Rail Bearing Slide Block 16mm Aluminum Open Block, CNC Parts for SBR16 16mm Linear Guide Rail

Product ID: 540491989

Details

Bearing Number
4
Bearing Type
Ball Bearing
Brand
CNCMANS
Item Weight
613 g
Material
Aluminum

📏500mm precision length

⚙️12mm bore diameter

🛠️4 ball bearing slide blocks

€ 42.63

Duties & taxes included

In stock

Sold byAmazon IrelandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Ireland.

Secure transaction

ProDesertcart PRO

Fast, free shipping, member pricing & priority support.

Join PRO →

Description

⚙️ Elevate your CNC game with precision that moves you!

BUILT TO LAST - Carbon steel with chrome plating offers superior rust resistance and durability under heavy use.
SMOOTH OPERATOR - Low friction, no stick-slip action reduces heat and power consumption for efficient performance.
EFFORTLESS SETUP - Pre-drilled aluminum rails make installation on X, Y, Z axes quick and hassle-free.
PRECISION PERFECTED - 500mm fully supported rails ensure ultra-smooth linear motion for your CNC projects.
VERSATILE POWERHOUSE - Ideal for CNC routers, laser cutters, mills, and more—upgrade your machine’s accuracy now.

This CNCMANS Linear Rail Kit includes two 500mm fully supported SBR12 rails and four SBR12UU ball bearing slide blocks, crafted from carbon steel with chrome plating for enhanced durability and rust resistance. Designed for high precision and low friction, it supports smooth, efficient linear motion ideal for CNC machines, laser cutters, and other industrial tools. Easy to install with pre-drilled aluminum rails, it’s a versatile upgrade for professional-grade DIY and industrial applications.

Specifications

ASIN	B09NBQVCCW
Bearing Number	4
Bearing Type	Ball Bearing
Best Sellers Rank	#67,215 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #51 in Linear Motion Guides
Brand Name	CNCMANS
Compatible Lubricant	Grease
Customer Reviews	3.5 3.5 out of 5 stars (2)
Item Weight	613 g
Manufacturer	CNCMANS
Material Type	Aluminum
Model	U4587U5144H
Number of Items	1
Outside Diameter	16 millimeters
Part Number	U4587U5144H
UPC	730759596379

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Fatima A.

Best international shipping I've ever tried. Worth every penny!

3 days ago

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

View all Trustpilot reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.