Could these be used vertically as guides for a table lift?

Yes, probably for load under 40lbs. Just remember the bearings do not fully wrap around the bar.

What does SBR refer to and which is best for a plasma cnc table?

Short base rail. I would see if they have larger one.. these would work if it’s a small cnc like a 2’x4’.

Can this be used for 3d delta printers as the vertical sliders?

It appears to me that delta printers use a different styles slide. My first impression would be the answer is no. These components soul have to be placed side by side to see off modifications could be made to accept what your suggesting. I am not familiar with delta printers. I did however do a little research. So to offer these as a replacement should be investigated thoroughly... Good luck, Len

Can these be used in an inverted configuration like a hanging sliding partition?

Yes they can. As long as the weight isn't to much. They will go side to side a little

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SBR12-1000mm

Product ID: 44639930

Details

Bearing Number
16
Bearing Type
Ball Bearing
Brand
Happybuy
Item dimensions L x W x H
44 x 4 x 4
Material
Aluminum

📏2x 1000mm precision rails

⚙️4x high-precision SBR12UU bearing blocks

🛡️Chrome-plated anti-rust steel

$255.11

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Description

⚙️ Upgrade your automation game with precision that moves you!

SMOOTH PRECISION GLIDE - Experience ultra-smooth linear motion with premium SBR12UU bearing blocks designed for CNC-grade accuracy.
EFFORTLESS INSTALLATION - Pre-drilled aluminum alloy rails ensure quick, hassle-free mounting—get your automation project running faster.
STABLE RELIABLE SUPPORT - Aluminum alloy supports stabilize rails for consistent, vibration-free performance under heavy loads.
VERSATILE AUTOMATION READY - Perfect for CNC routers, laser welders, industrial robots, and more—future-proof your machinery setup.
DURABLE INDUSTRIAL STRENGTH - Crafted from carbon steel with chrome plating for superior hardness and corrosion resistance—built to last.

The Happybuy Linear Rail Kit includes two 1000mm SBR12 rails and four SBR12UU bearing blocks made from high-quality carbon steel with chrome plating for durability and rust resistance. Designed for CNC and industrial automation, this kit offers smooth, precise linear motion with easy installation via pre-drilled aluminum alloy rails, making it ideal for professional-grade machinery and equipment.

Specifications

ASIN	B071YWMTLB
Best Sellers Rank	#110,701 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #106 in Linear Motion Guides
Date First Available	May 5, 2017
Is Discontinued By Manufacturer	No
Item Weight	8.28 pounds
Item model number	2X SBR12-1000mm Rails
Manufacturer	Happybuy
Product Dimensions	44 x 4 x 4 inches

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