LM50UU Standard Cylindrical Linear Ball Bearing 50×80×100mm Double Side UU Rubber Sealed 6-Row Steel Balls Linear Bushing For CNC Machines & Automated Production Lines

The LM50UU is standard cylindrical linear ball bearing equipped with double UU rubber dust seals and 6 rows of steel balls, designed for heavy-duty linear motion automation equipment.

It is widely used in CNC machine tools, automated conveyors and industrial sliding mechanisms where smooth linear movement and dust protection are required.

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👉 Full technical data and drawings available upon request

• 6-row steel ball layout provides large bearing area, strong heavy load capacity
• Double UU rubber seals block dust, metal scraps and coolant to protect internal balls
• Low friction rolling contact realizes ultra-smooth reciprocating linear motion
• Precision ground outer cylinder ensures tight fit with housing bore
• Integrated plastic cage avoids ball falling off, stable long-term operation
• Custom design available (open OP / adjustable AJ type, OEM marking, special grease)

👉 Helps reduce maintenance cost and improve machine performance

This bearing is widely used in:

• CNC machining equipment sliding axis components
• Automated assembly production lines
• Packaging machinery linear moving structures
• 3D large printing equipment guide bushings
• Woodworking and textile machinery sliding parts

👉 Ideal for customers looking for reliable and long-life linear bearing solutions

• 25+ years experience in linear motion bearing manufacturing
• Exported to 50+ countries worldwide
• Rich experience in OEM & custom linear bushing projects
• Strict dimensional, seal and load endurance testing before shipment
• Fast response within 24 hours
• Stable supply for long-term cooperation

👉 We focus on quality, reliability, and long-term partnership

• Raw material hardness & composition inspection
• Precision outer cylinder grinding process control
• 6-row ball assembly clearance calibration test
• UU sealing dustproof & anti-leakage performance test
• Reciprocating linear motion endurance test
• Anti-rust oil treatment & packaging inspection before delivery

👉 Ensuring consistent performance for every bearing

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• Fast quotation within 24 hours
• Technical support from engineers
• Custom solution suggestions
• Competitive factory price

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