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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SBR20-800mm Linear Rail Linear Rails and Bearings Kit 2Pcs SBR20 800mm Long Fully Supported Shaft Guide with 4Pcs SBR20UU Linear Bearing Slide Block Linear Guide for CNC Equipments

SBR20-800mm Linear Rail Linear Rails and Bearings Kit 2Pcs SBR20 800mm Long Fully Supported Shaft Guide with 4Pcs SBR20UU Linear Bearing Slide Block Linear Guide for CNC Equipments

Product ID: 446546074

Details

Bearing Number
4
Bearing Type
Ball Bearing
Brand
CNCMANS
Item Thickness
20.2
Material
High-quality

📏800mm precision length

🔩4 ball bearing blocks

⚙️4-point contact load balance

17185 kr

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Sold byAmazon IcelandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚙️ Glide into precision — the backbone of your next-level CNC setup!

PREMIUM CARBON BEARING STEEL - Durable materials ensure low friction and extended service life.
PRECISION ENGINEERED 800 MM RAILS - Long, fully supported shafts for ultra-smooth linear motion.
ROBUST FOUR POINT CONTACT DESIGN - Evenly distributes load and self-aligns to absorb mounting errors.
VERSATILE CNC INDUSTRIAL COMPATIBILITY - Ideal for routers, mills, laser machines, and more—upgrade your workflow.
EASY INSTALLATION WITH ALUMINUM ALLOY SUPPORTS - Pre-drilled holes and included wrench make setup effortless.

The CNCMANS SBR20-800mm Linear Rail Kit features two 800mm carbon steel rails paired with four high-quality bearing steel slide blocks housed in aluminum alloy. Designed with a four-point contact system, it offers balanced load distribution and self-alignment for high precision under heavy use. This kit includes all mounting hardware and tools for easy installation, making it perfect for CNC machines, 3D printers, and other industrial automation applications.

Specifications

ASIN	B09NBP51LG
Bearing Number	4
Bearing Type	Ball Bearing
Best Sellers Rank	#75,179 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #60 in Linear Motion Guides #9,477 in 3D Printer Parts & Accessories
Brand	CNCMANS
Brand Name	CNCMANS
Compatible Lubricant	Grease
Customer Reviews	4.2 out of 5 stars 69 Reviews
Item Thickness	20.2 Millimeters
Manufacturer	CNCMANS
Material	High-quality carbon steel, Bearing steel with aluminum alloy housing
Material Type	High-quality carbon steel, Bearing steel with aluminum alloy housing
Model	U31A20714J
Outside Diameter	20 Millimeters
Part Number	U31A20714J
UPC	730759598632

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

5 days ago

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2 weeks ago

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17185 kr

Duties & taxes included

In stock

Sold byAmazon IcelandDelivered 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 Iceland.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Great experience from order to delivery. Highly recommended!

1 week ago

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