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Industrial-grade standard SBR block with high precision
Light-weight housing and Chromium Steel bearing ball, good abrasion resistance, high precision and good strength.
Aluminum alloy support rail with pre-drilled holes for ease of mounting.
Smooth moving, low friction, high rigidity and long working life.
Perfect for the DIY CNC routers, mills, lathes and so on
Feature: - Sliding blocks to be used cooperatively with rails, smooth sliding provided by inside linear bearing. - The linear rail apply for various kinds of automated machines and equipment, can help build economical cnc linear guiding system. Specifications: Model: SBR25 The built-in material: Bearing Steel The external material: Aluminum Alloy Shaft Diameter/ Bore Size: 25mm This item includes: 1pcs SBR25UU Bearing Blocks