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

899 Lei

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Sold byAmazon RomaniaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚙️ Glide into precision — upgrade your CNC game with flawless linear 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 to absorb mounting errors.
COMPLETE INSTALLATION KIT INCLUDED - All screws, wrench, and locking handles for hassle-free setup.
PREMIUM CARBON BEARING STEEL BUILD - Durable materials ensure longevity and low friction performance.
VERSATILE CNC INDUSTRIAL COMPATIBILITY - Ideal for routers, mills, laser machines, and more.

The CNCMANS SBR20-800mm Linear Rail Kit features two 800mm carbon steel rails paired with four high-quality bearing steel slide blocks in aluminum housings. Designed with a four-point contact system, it ensures balanced load distribution and self-alignment for high-precision CNC and industrial applications. The kit includes all necessary hardware for easy installation, making it a reliable choice for professionals seeking smooth, durable linear motion solutions.

Specifications

ASIN	B09NBP51LG
Bearing Number	4
Bearing Type	Ball Bearing
Best Sellers Rank	#85,928 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #63 in Linear Motion Guides #9,612 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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TrustScore 4.5 | 7,300+ reviews

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Excellent communication throughout the order process. Product is perfect.

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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899 Lei

Duties & taxes included

In stock

Sold byAmazon RomaniaDelivered 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 Romania.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Khalid Z.

Great experience from order to delivery. Highly recommended!

1 week ago

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