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

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Sold byAmazon Sri LankaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚙️ Glide into precision — upgrade your CNC game with smooth, unstoppable motion!

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 for flawless accuracy under pressure.
PREMIUM CARBON BEARING STEEL BUILD - Durable materials ensure longevity and resistance to wear and tear.
VERSATILE CNC INDUSTRIAL COMPATIBILITY - Perfect for DIY CNC routers, laser machines, mills, and more.
EFFORTLESS INSTALLATION WITH ALUMINUM ALLOY SUPPORTS - Pre-drilled holes and included wrench make setup a breeze.

The CNCMANS SBR20-800mm Linear Rail Kit features two 800mm carbon steel rails paired with four high-quality SBR20UU ball bearing blocks housed in aluminum alloy. Designed with a four-point contact system, it offers balanced load distribution and self-alignment for high-precision linear motion. Ideal for CNC machines, laser cutters, and industrial automation, this kit ensures smooth, durable, and easy-to-install linear guidance.

Specifications

ASIN	B09NBP51LG
Bearing Number	4
Bearing Type	Ball Bearing
Best Sellers Rank	#75,544 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #61 in Linear Motion Guides
Brand Name	CNCMANS
Compatible Lubricant	Grease
Customer Reviews	4.2 4.2 out of 5 stars (68)
Item Thickness	20.2 Millimeters
Manufacturer	CNCMANS
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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₨72396

Duties & taxes included

In stock

Sold byAmazon Sri LankaDelivered 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 Sri Lanka.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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