LM5UU linear Bearings

LM5UU linear Bearings
Part Number LM5UU Weight(Kg) 0.004
d 5 Dynamic Load Co(N) 167
D1 10 Static Load Cor(N) 206
B 15

LM5 Linear Bearing | LM5, LM5-UU, LM5-AJ, LM5-OP Specification And Application

The LM5 is a compact high-precision miniature linear ball bearing with standard dimensions of 5×10×12mm. Constructed with high-grade chrome bearing steel and high-toughness nylon retainers, this linear bushing delivers ultra-low friction, repeatable smooth linear reciprocating motion and stable dimensional accuracy. Designed for unlimited linear travel on precision guide shafts, it features a compact integrated structure, flexible movement and outstanding wear resistance. The LM5 series includes four mainstream functional models: standard open LM5, dustproof LM5-UU, clearance-adjustable LM5-AJ and slotted open LM5-OP, covering universal, protective, high-precision and high-stability industrial motion scenarios.

LM5 Standard Open Type

The original LM5 open linear bearing adopts a fully open unsealed structure with premium bearing steel and durable nylon ball retainers. Without sealing baffles, it achieves excellent heat dissipation during continuous high-speed operation and allows convenient grease replenishment and daily maintenance. The ultra-precision polished raceway and smooth steel balls minimize running resistance, ensuring stable and silent linear movement. Lightweight and cost-effective, this standard model is perfectly suited for clean, dust-free indoor environments and light-load precision automation equipment, serving as the universal basic solution for miniature linear motion mechanisms.

LM5-UU Double Sealed Type

LM5-UU is equipped with double-sided rubber sealing rings, providing full dustproof, waterproof and anti-fouling protection. The tight UU sealing structure effectively isolates fine dust, processing debris and moisture, preventing internal ball abrasion and lubricant leakage. It avoids precision attenuation caused by environmental pollution and maintains long-term operational stability in conventional workshop environments. Featuring excellent fatigue resistance and cyclic operation performance, LM5-UU is the most widely used general-purpose model for daily automated equipment with medium and high-frequency continuous movement.

LM5-AJ Clearance Adjustable Type

LM5-AJ is a professional precision adjustable bearing designed for zero-backlash motion systems. With a reserved adjustable gap structure, users can fine-tune the internal assembly clearance during installation to eliminate shaft shaking and motion backlash. This design greatly improves positioning accuracy and motion rigidity, meeting ultra-precise linear transmission requirements. Adopting high-rigidity bearing steel and anti-deformation retainers, LM5-AJ maintains stable precision under long-term high-precision cyclic operation, ideal for testing instruments and precision automated core mechanisms.

LM5-OP Slotted Open Type

LM5-OP features a slotted open outer sleeve structure, optimized for high-speed and long-stroke operating conditions. The axial slit design allows outer diameter shrinkage during installation, realizing tight interference locking with the mounting hole. It effectively prevents bearing rotation, displacement and vibration during high-speed long-cycle operation, significantly enhancing structural stability. Combining excellent heat dissipation and anti-loosening performance, LM5-OP is dedicated to long-stroke sliding mechanisms and high-stability automated production equipment.

Material And Industrial Applications

All LM5 series linear bearings adopt high-hardness chrome bearing steel and wear-resistant nylon retainers, featuring high hardness, low friction and long service life. LM5 and LM5-UU are widely applied in 3D printers, miniature robotic arms and general automation machinery. LM5-AJ is used for precision inspection equipment and laboratory instruments. LM5-OP fits high-speed sliding devices and long-stroke automated transmission systems.

Product Summary: The LM5 linear bearing series covers four core functional types to meet diversified precision motion demands. With compact size, low noise and reliable durability, it is an essential core component for miniature precision linear motion systems in industrial automation.

This site uses cookies

We use cookies to collect information about how you use this site. We use this information to make the website work as well as possible and improve our services.more details