SK20 20mm Linear Rail Shaft Support Bearing Guide Block CNC Bracket
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৳ 250.00৳ 300.00 (-17%)
SK20 20mm Linear Rail Shaft Support Bracket for CNC and 3D Printers
Overview
The SK20 Linear Shaft Support Bracket is a high-precision hardware component designed to secure, anchor, and stabilize standard 20mm round linear guide rails. Widely utilized in CNC routers, large-format 3D printers, laser cutters, and factory automation lines, this robust guide block provides a rigid, low-profile anchor point. It ensures your linear motion shafts stay perfectly aligned, eliminating structural sagging or bending during heavy tool traversals and high-torque mechanical loads.
Industrial-Grade Machined Aluminum Construction
Each support bracket is manufactured from high-strength aluminum alloy, offering excellent load-bearing capacity, high tensile strength, and superior resistance to corrosion. The surface is cleanly machined to ensure absolute flat contact boundaries along the base plate, preventing alignment errors during installation. Its thick, solid-block geometry effectively dampens structural vibrations, allowing your machinery to maintain tight tolerances and smooth travel transitions under continuous operating conditions.
Split-Collar Rigid Shaft Clamping
The bracket utilizes an integrated split-collar clamping mechanism. Rather than using cheap set screws that can scratch or misalign precision-hardened steel rails, the SK20 features an adjustable top clamping bolt slot. Tightening this bolt closes the split-collar assembly evenly around the 20mm shaft, distributing clamping force across the outer surface to secure the rail firmly against axial slippage or rotation without causing damage.
Exact Dimensional Specifications
- Part Number Model: SK20
- Compatible Shaft Diameter: 20mm
- Total Bracket Height: 51mm
- Total Base Width: 60mm
- Top Block Width: 30mm
- Overall Profile Depth: 19.5mm
- Shaft Center Height: 31mm (distance from the mounting surface to the center of the shaft)
- Mounting Hole Specification: 2x M6 threaded bolt slots
Applications
- Main structural axis supports for industrial-sized custom CNC routers, milling machines, and plasma cutters
- Rigid guide rail anchors for heavy material-handling machinery and automated packaging conveyors
- High-load linear motion assemblies for heavy-duty automated gantries and manufacturing robots
- Precision stabilization for heavy camera dollies, motorized positioning tables, and laboratory testing rigs
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