LMK12LUU Linear Bearing Square Flange Bushing Double Side Rubber Sealed for 12mm Shaft CNC  3D Printer

LMK12LUU Linear Bearing Square Flange Bushing Double Side Rubber Sealed for 12mm Shaft CNC  3D Printer

The LMK12LUU Linear Bearing Square Flange Bushing Double Side Rubber Sealed for 12mm Shaft CNC  3D Printer

• LMK12LUU linear bearing 12mm is a durable, cost-effective square flange linear ball bushing designed for smooth, accurate linear motion on a 12mm shaft.
• Built for precision applications, the LMK12LUU square flange linear bearing provides low-friction travel and stable guidance for 3D printers, CNC machines, robotics, and automation systems.
• This model features double-side rubber seals to help block dust and contaminants, support quieter operation, and extend service life in continuous motion environments.
• Made from high-quality chromium steel with a hardened ball cage and end rings, the rubber sealed LMK12LUU bearing delivers reliable performance for both DIY motion builds and industrial setups

Specifications

• Model: LMK12LUU
• Inner Diameter (ID): 12 mm
• Outer Diameter (OD): 21 mm
• Ball Circuit: 4 rows
• Material: Chromium steel with hardened ball cage and end rings
• Sealing: Double-side rubber sealed

Features

• 12mm Shaft Compatibility: Designed for smooth linear movement along standard 12mm precision shafts.
• Square Flange Design: Integrated square flange provides convenient and secure mounting to machine frames, plates, and brackets.
• Double-Side Rubber Seals: Helps prevent dust, dirt, and other contaminants from entering the bearing.
• Smooth Linear Motion: Recirculating ball system provides low-friction and consistent movement along the shaft.

Advantages

• Smooth Linear Motion with low noise
• Durable & Wear-resistant construction
• Dust-Proof & Long Life with double side rubber seals
• High Rigidity & Stability for industrial use
• Easy Installation & Maintenance

Applications

• 3D printer rail system replacements
• CNC machine tool guideways/components
• Laser engraving machine rails
• Robotics and automation systems
• DIY motion systems and custom machinery
• Also used in select home appliance, motor, pump, and machine tool mechanisms

Package Includes

• 1 Piece of LMK12LUU 12mm Square Flange Linear Bearing