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Material: Bearing steel, aluminum, carbon steel, and alloy Steel
Performance: Smooth motion, low noise
Rail Shafts: 4PCS SBR20-1500mm(each shaft has a hole for dowel pin)
Bearing Blocks: 8PCS SBR20UU
Features
Complete Linear Rail Kits
Linear rail kit includes 4 pieces of 1500mm/59 inch long SBR20 rail shafts, 8 pieces of SBR20UU blocks, and 4 pieces dowel pins. If you would like to extend the 1500mm linear rails, you can extend them to 3000mm linear rails. Corrosion-resistant, high strength, and wear resistance.
Surface chrome plating treatment beautiful anti-rust, high hardness, with high accuracy and strong durability.
Cylindrical guide composed of principal rail and aluminum support, stabilizing the original rail. Premier quality bearing blocks moves smoothly while using.
The linear motion products and technology are widely used for automatic mechanical facilities under common accuracy. Our rail shaft is made with good quality steel plus aluminum alloy. It is a perfect combination of main axle and aluminum support, which nicely stabilizes the original rail. Premier quality bearing blocks moves smoothly while using.
Package includes:
4 x 59 in/1500 mm length SBR20 guide rails(each rail has a hole for dowel pin)
8 x SBR20UU slide blocks
4 x dowel pins
2 x adjustment handle can adjust the tightness of the slider
32 pieces M6x20 screws can connect the sliding bearing blocks and plates as accessories
2 x 5mm wrench
Fairmeadow Girl
Reviewed in the United States on July 15, 2024
The SBR20 4000mm linear rail kit arrived accurately machined. The dowels that connect the two 2000mm rails fit well, enabling smooth connection between the two.But. of the 12 included SBR20UU bearing blocks, only 4 slide effortlessly on the linear rails. After I sprayed dry PTFE lube on all 12 bearing blocks, and wiped it on to the linear rails, 3 of the remaining 8 bearing blocks became serviceable, yet still not effortless, like the best 4. The other 5 bearing blocks continue to produce audible (and unacceptable to me) friction with the linear rails.In my view, all SBR20UU bearing blocks should slide effortlessly on SBR20 linear rails. Thus, only 3 stars.If GUWANJI is monitoring reviews, they should ship to me 8 more "good" bearing blocks at no charge. If that happens, I will update this review.
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