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High Speed LM20UU LM25UU LM30UU Linear Bearing

Lead time:10~30
MOQ:1 piece
Ball screw material: bearing steel
  • LM20UU LM25UU LM30UU

  • ALM

  • 8479909090

The LM20UU,LM25UU,LM30UU linear bearings are specifically designed to accommodate high-speed applications.These linear bearings are engineered with low friction and high load-carrying capacities,enabling them to handle rapid linear movements without compromising performance.Their advanced design and precise manufacturing processes ensure minimal heat generation and friction,allowing for smooth and efficient operation even at high speeds.

ALM Linear Bearing Basic Information

Retainer material
Quality standard
ISO9001:2015,CE certificate,RoHS and reach compliance
High precision,High rigidity
Carton+Plastic bag + Wooden box or according to customers' demands

●ALM Linear Bearing Details Show

linear bearing ballsbearingLinear bearings

Linear Bearing Dimension

Linear Bearing sizes

Linear Bearing Applications

1.Industrial machinery:Linear bearings are used in various types of industrial machinery,such as conveyors,packaging machines,and CNC machines,to provide smooth and precise linear motion.

2.Robotics:Linear bearings are essential components in robotic systems,enabling precise and smooth movement of robot arms, grippers, and other parts.

3.Automotive industry: Linear bearings are used in automotive applications, such as seat adjustment mechanisms, steering systems, and sliding doors.

4.Aerospace industry: Linear bearings are used in aircraft and spacecraft applications, including landing gear systems, flight control systems, and satellite deployment mechanisms.

5.Medical equipment: Linear bearings are used in medical devices and equipment, such as hospital beds, surgical robots, and imaging systems, to enable precise and controlled linear motion.

6.Material handling: Linear bearings are used in material handling equipment, such as forklifts, cranes, and conveyor systems, to facilitate the movement of goods and materials.

7.Printing and packaging: Linear bearings are used in printing and packaging machines to ensure accurate and smooth movement of printing heads, cutting tools, and packaging materials.

8.Electronics manufacturing: Linear bearings are used in electronic assembly and testing equipment, such as pick-and-place machines and automated testing systems, to enable precise positioning and movement of components.

9.Renewable energy: Linear bearings are used in various renewable energy systems, such as solar tracking systems and wind turbine pitch control systems, to enable efficient and precise tracking of the sun or wind direction.

10.Home appliances: Linear bearings are used in various home appliances,such as washing machines, refrigerators, and dishwashers, to enable smooth and quiet movement of sliding drawers, doors, and other parts.


Founded in year of 2005,from a small workshop KUNSHAN TIANHE BALL SCREW FACTORY,ALM group has grown fast and has four production workshops now for ball screw,lead screw,linear motor,linear actuator,linear guideways and related CNC machining.Factory area is over 15000 square meters,129 employees.Our factory is equipped with 15 automated production line.Products are 100% inspected before shipping.ALM has obtained ISO9001,IATF16949,CE,RoHS certificate. Over 25 distributors all over the world.

ALM manufactures and supplies high quality linear motion components for customers in fields of aircraft,satellite,medical, Instrumentation,Robotics,Automobile,Electrical & Electronics,Textile,Medical,Food & Beverages,General Industry and so on.With super quality and service,ALM has been widely recognized and highly valued by its high-end and picky customers,and thus remains at the top of their vendor lists. 

ALM R&D Team

ALM R&D Team

ALM's office

ALM office

ALM's workshop

ALM workshop

ALM product processing

product processing

ALM inspection equipment

ALM Inspection EquipmentALM process machine

ALM's warehouse

ALM linear guideALM Product Show


ALM product show

ALM Exhibition

shanghai munich industry fairExhibition

Customer Visit

ALM customer visit

Patent Certificate for invention and utility model

seidal product certificate

ISO  Certificate


CE Certificate

ALM CE certificate

Excellent HighTech Enterprise

Excellent HighTech Enterprise

Leading Talents Certificate

ALM Leading Talents Certificate

1.Why can ALM be your better option for linear motion components?
●Nearly 20 years of rich manufacturing experience;

●We understand both electrical and mechanical issues. Can recommend good engineering design.

●Quality is guaranteed,We inspect everything, so you won't receive product that doesn't meet specifications. For some parts, we stock for the customer, You never have to wait.
●Easy to pay and can be trusted, We always respond to questions.
●We work on your time zone-You no need work through dinner and at night. Above all, our professional sales and after-service team ensure high efficiency communication to allow you high work efficiency and keep a good mood everyday.

2.When can I get the quotation?
We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price, please call us or tell us in
your email so that we will regard your inquiry priority.

3.About shipping and payment:
Sample order: We have DHL, FedEx, UPS VIP account with discount. So you can get favorable shipping freight.
Bulk order: We have freight forwarder to ship by air, by train or by sea. You can also arrange shipping through your own shipping agent.

LC,T/T,D/P, PayPal, Western Union, Money Gram

4.How is quality ensured?
All our processes strictly adhere to ISO9001:2015 procedures. Combining advanced equipment, from production to delivery, we have strict quality control. Our company has strong technical support and has cultivated a group of managers who are familiar with product quality, good at modern concept of management. Our production concept is “Quality has to be caused, not controlled.”

5.How to custom-made (OEM/ODM)?

If you have a new product drawing or a sample, please send to us, we’ll make our production drawing and customize it as per your requirement. We can also provide our professional advices to make your design more realized and maximize the performance. So,If you didn’t find the ideal product from our website, please email us, your inquiry will get fast response.

6.What's your Delivery Time?

●Standard items: Ready in stock

●Customized items:7-20days

●For urgent case, We can make the delivery ASAP with guaranteed quality.





 No 1998 Jinfeng south road,Wuzhong district,Suzhou China.


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