LMK6UU Linear Bearings
| LMK6UU Linear Bearings | |||
|---|---|---|---|
| Part Number | LMK6UU | d1 | 3.5 |
| Number of Ball Columns | 4 | d2 | 6 |
| dr | 6 | h | 3.1 |
| D | 12 | Verticality of flange | 12 |
| L | 19 | Radial runout | 12 |
| D1 | 28 | Dynamic Load Co(N) | 210 |
| K | 22 | Static Load Cor(N) | 270 |
| H | 5 | Weight(Kg) | 0.022 |
| φ | 20 | ||
LMK6UU Square Flange Linear Bearing | Sealed Precision Motion Bushing
The LMK6UU square flange linear bearing is a sealed high-precision linear motion bushing designed for compact automated machinery, high-frequency reciprocating sliding and accurate positioning systems. Featuring an integrated square flange structure and dual UU rubber seals, this LMK6UU linear bearing enables flat, stable surface mounting and precise horizontal calibration, solving installation offset issues common in precision equipment. Equipped with a circulating steel ball transmission structure, it delivers ultra-low friction, ultra-smooth linear motion, low running noise and excellent repeat positioning accuracy. The fully sealed UU structure effectively blocks dust, moisture and fine industrial debris, locks internal lubricating grease, and supports long-term maintenance-free operation. Available in five industrial-grade materials including carbon steel, 304 stainless steel, 316 stainless steel, 420 stainless steel and 440 stainless steel, it perfectly adapts to conventional, sanitary, high-wear and corrosive working environments for diverse precision automation applications.
LMK6UU Bearing Material Introduction
Carbon Steel: A high cost-performance industrial base material with uniform hardness, stable anti-fatigue performance and reliable wear resistance. Carbon steel LMK6UU linear bearings maintain smooth and stable linear sliding in standard dry indoor working conditions. Ideal for mass-produced automation equipment and cost-sensitive mechanical projects, it provides stable basic performance and outstanding cost efficiency for general precision linear motion systems.
304 Stainless Steel: Food-grade stainless steel with superior rust-proof and anti-oxidation properties. It effectively resists surface corrosion, water vapor and environmental oxidation in humid and open working scenarios. With non-toxic, pollution-free and easy-to-clean features, 304 stainless steel LMK6UU bearings are widely used in food processing machinery, medical automation equipment and sanitary-grade precision devices that require high cleanliness standards.
316 Stainless Steel: Marine-grade anti-corrosion stainless steel with strong resistance to salt spray, acid, alkali and mild chemical erosion. It retains stable structural rigidity and precise linear motion accuracy in coastal high-humidity environments and light chemical workshops, making it suitable for marine precision instruments, aquatic processing equipment and chemical miniature sliding machinery systems.
420 Stainless Steel: High-toughness martensitic stainless steel that balances moderate corrosion resistance and high surface hardness. It delivers excellent anti-wear performance and stable dimensional accuracy during long-term high-frequency reciprocating operation, greatly extending the service life of continuous-cycle precision automation equipment.
440 Stainless Steel: Ultra-high hardness industrial stainless steel with top-tier abrasion resistance and structural stability. It withstands heavy friction and harsh working conditions, maintaining consistent high-precision linear motion for a long time, and is specially customized for high-end industrial precision equipment and high-cycle mechanical systems.
Features And Industrial Applications
The LMK6UU square flange linear bearing features a standard square flange positioning design for flat and vertical stable installation, dual UU dustproof and waterproof sealing, ultra-low friction and low-noise high-speed operation. Multiple material grades fully meet industrial requirements for economy, sanitation, wear resistance and anti-corrosion performance. The sealed structure adapts to dusty, humid and complex working environments, realizing long-term maintenance-free operation. As a core linear motion component for miniature precision automation systems, it is widely applied in 3D printing equipment, small robotic arm motion mechanisms, optical precision instruments, electronic automation devices, micro precision power tools and compact medical transmission equipment, providing stable, high-efficiency and durable linear motion solutions for modern miniaturized precision machinery.
