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VEVOR Linear Motion Guide Kit, SBR20 1800mm, Includes 2 PCS 70.9 in/1800 mm SBR20 Rails and 4 PCS SBR20UU Bearing Blocks, Ideal for CNC Machines, Automation Equipment, and DIY Projects

Guide Rail Length: 1800 mm

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What size are the tapped holes in the bearing blocks

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The size is m6.

By vevor

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Can I get plastic bearings in place of ball brg slide blocks with rail system SBR20-1800 mm

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If the slider structure and internal structure are the same. You can give it a try.

By vevor

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Can I purchase additional sliding blocks to carry going hee total load? Looking to use for a weightlifting machine to slide up to 1000lb platform back & forth over about a 4 ft range. Say 4 per rail?

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Yes, additional sliding blocks can be purchased to handle the total load. But this requires you to do specific data testing yourself.

By vevor

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