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.

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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: 590927072

Details

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

🔩4 high-grade SBR16UU ball bearing blocks

⚙️1200mm precision rail length

🛠️Carbon steel + aluminum alloy durability

R1322

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Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚀 Elevate your CNC game with precision that moves you forward!

BUILT TO LAST - Crafted from thickened carbon steel rails and bearing steel sliders with aluminum housing for unmatched durability and longevity.
VERSATILE DIY POWER - Perfect for CNC routers, laser cutters, mills, and more—engineer your custom linear actuator with confidence and pro-grade parts.
EFFORTLESS INSTALLATION - Pre-drilled aluminum alloy supports and included M6 locking handles make setup quick and hassle-free—get your CNC project moving fast.
SMOOTH HIGH LOAD MOTION - Four-point contact design ensures even load distribution and ultra-precise linear movement under heavy stress.
LOW FRICTION HIGH PRECISION - More steel bearing balls reduce friction for smooth, flexible motion that keeps your machine running flawlessly.

The CNCMANS SBR16 1200mm Linear Rail Guide set includes two fully supported carbon steel rails and four industry-standard SBR16UU ball bearing blocks. Designed with a four-point contact system for high load capacity and self-alignment, it offers smooth, low-friction linear motion ideal for DIY CNC machines, laser cutters, and other precision tools. Easy to install with included hardware, this durable assembly ensures long-lasting, precise performance for professional-grade projects.

Specifications

ASIN	B09NBQVCCW
Bearing Number	4
Bearing Type	Ball Bearing
Best Sellers Rank	#133,895 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #139 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

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TrustScore 4.5 | 7,300+ reviews

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Very impressed with the quality and fast delivery. Will shop here again.

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The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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R1322

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered 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 South Africa.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

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Smooth transaction and product arrived in perfect condition.

3 weeks ago

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