what diameter of the shaft ?

20mm - after I received it, I figured out that the last number in the model # is the diameter.

What is the difference between the SBR12, SBR16 and SBR20 models?

I believe the difference is the diameter of the rails in millimeters.

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VEVOR Linear Rail Slide SBR12-1000mm 2 PCS and 4 PCS SBR12UU Slide Blocks Linear Guide Rail and Bearings Kit for Automated Machines DIY Project CNC Router Machines

VEVOR Linear Rail Slide SBR12-1000mm 2 PCS and 4 PCS SBR12UU Slide Blocks Linear Guide Rail and Bearings Kit for Automated Machines DIY Project CNC Router Machines

Product ID: 490192068

Details

Bearing Type
Linear Bearing
Brand
VEVOR
Item Weight
3.9 Kilograms
Item dimensions L x W x H
31.5 x 3.15 x
Material
Alloy Steel

📏1000mm precision rail length

⚙️4 high-precision SBR12UU bearing blocks

🛡️Durable chrome-plated carbon steel

€ 244.59

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Description

⚙️ Elevate your automation game with precision that lasts!

BUILT TO LAST - Crafted from hardened carbon steel with chrome plating, these rails resist rust and wear, ensuring years of reliable performance.
OPTIMIZED STABILITY - Aluminum alloy housing combined with precision rails delivers superior rigidity and vibration resistance for high-accuracy tasks.
SMOOTH PRECISION GLIDE - Experience ultra-smooth linear motion with industrial-grade SBR12UU bearing blocks for flawless CNC and automation projects.
EFFORTLESS INSTALLATION - Designed for quick, tool-free setup—just align and slide into place, minimizing downtime and maximizing productivity.
VERSATILE INDUSTRIAL USE - Perfect for DIY CNC routers, laser machines, and robotic automation, empowering your projects with professional-grade components.

The VEVOR Linear Rail Slide SBR12-1000mm kit includes two 1000mm chrome-plated carbon steel rails and four high-precision SBR12UU bearing blocks with aluminum alloy housing. Engineered for smooth, durable, and stable linear motion, this kit is ideal for CNC routers, automated machinery, and industrial applications requiring reliable, maintenance-free performance.

Specifications

ASIN	B0BLSC6936
Best Sellers Rank	#305,970 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #54 in Linear Motion Slide Rails
Date First Available	November 8, 2022
Item Weight	7.5 pounds
Item model number	SBR12-C 1000L
Manufacturer	VEVOR
Product Dimensions	39.37 x 2.56 x 3.94 inches

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TrustScore 4.5 | 7,300+ reviews

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Received my product in pristine condition. Great service overall.

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Great price for an authentic product. Fast international shipping too!

3 weeks ago

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€ 244.59

Duties & taxes included

In stock

Sold byAmazon CyprusDelivered 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 Cyprus.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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

2 weeks ago

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