The LM 35 UU is a closed‑type linear ball bearing (also called a linear bushing) built to run smoothly along a 35 mm shaft for precise linear motion. It has an inner bore of 35 mm, an outer diameter of 52 mm, and a length (along the shaft) of 70 mm. Inside, it contains six rows of steel balls (ball circuits = 6), held in a plastic (resin) retainer, which roll along the shaft for smooth, low‑friction motion. The bearing’s body is made of hardened bearing steel, and it is sealed on both ends (“UU” = sealed both sides) to keep out dust, dirt, and moisture — reducing maintenance needs and improving durability. Its basic dynamic load rating is high (about 1670 N) and the static load rating about 3140 N, making it capable of carrying substantial loads while still enabling smooth linear motion. Because of its size, load capacity, and sealed design, LM 35 UU is commonly used in medium to large‑scale CNC machines, automation equipment, 3D printers, linear actuators, and other mechanical systems where stable, accurate, shaft‑guided linear motion under load is required.
The LME 25 UU is a closed-type linear ball bearing, also known as a linear bushing, designed to slide smoothly along a 25 mm shaft, providing precise, low-friction linear motion. The “UU” designation indicates that the bearing is sealed on both ends to protect against dust, dirt, and moisture, extending its service life and reducing maintenance. Internally, it contains six rows of steel balls retained in a polymer cage, allowing smooth, stable motion along the shaft. The bearing has an outer diameter of 40 mm, an overall length of 58 mm, and a total width of 44.1 mm. It has a basic dynamic load rating of approximately 980 N and a static load rating around 1570 N, enabling it to support moderate loads reliably. The sealed, closed design combined with hardened steel construction makes the LME 25 UU ideal for CNC machines, linear actuators, automation systems, 3D printers, and other equipment requiring precise, shaft-guided linear motion.
The LME 30 UU is a linear ball‑bushing bearing designed to provide smooth, low‑friction linear motion along a 30 mm shaft. The “UU” designation indicates that it is sealed on both ends with rubber seals to protect against dust, dirt, and moisture, extending the bearing’s operational life. It has an outer diameter of 47 mm and an overall length of 68 mm. Inside, it contains six rows of hardened steel balls held in a resin or plastic retainer, which roll along precision‑ground raceways to minimize friction while supporting the moving load. The bearing’s outer housing is made of hardened steel, giving it strength and rigidity for industrial applications. LME 30 UU is commonly used in CNC machines, 3D printers, automation equipment, robotics, and other machinery requiring stable, precise linear motion on a shaft. Its sealed, closed‑type design makes it particularly suitable for environments where contamination or debris could impair performance.
ST 162837 B
The ST 16 B is a small, lightweight linear ball bushing designed for smooth linear motion on 16 mm shafts. With a 16 mm bore, 28 mm outer diameter, and 37 mm length, this bearing is ideal for compact linear guide systems, light automation setups, and precise motion mechanisms. Its dynamic load capacity of approximately 1,910 N and static load rating of about 1,980 N make it suitable for light to moderate loads. The ST 16 B’s compact size and efficient design provide reliable, low-friction linear movement where space is limited and accurate, repeatable motion is required.
ST 203245 B
The ST 20 B is a compact linear ball bushing designed for smooth, low-friction linear motion along a 20 mm diameter shaft. With a 20 mm bore, 32 mm outer diameter, and 45 mm length, it is ideal for light-to-medium duty linear guides, automation equipment, and small-scale mechanical systems. Its construction enables moderate radial loads with a dynamic load rating of around 2,060 N and a static rating near 2,320 N. Lightweight yet efficient, ST 20 B provides a reliable solution for guiding linear shafts in CNC machines, 3D printers, small actuators, or other systems where compact size and precise linear motion are required.
ST 254055 B
The ST 25 B is a compact linear ball bushing designed for smooth, low‑friction linear motion along a 25 mm diameter shaft. With a 25 mm bore, 40 mm outer diameter, and length of 55 mm, it offers a small‑footprint yet dependable solution for linear guide systems, CNC machines, automation equipment, and other mechanical setups requiring precise, repeatable linear travel. Inside the bearing sleeve, rows of hardened steel balls circulate to provide smooth, accurate sliding motion with minimal resistance, which helps extend shaft and bearing life. With a dynamic load capacity around 3,600 N and a static load rating near 4,700 N, ST 25 B is suitable for light to moderate loads and frequent motion cycles. Its compact size and modest weight make it ideal for applications where space is limited but reliable linear motion is essential.
ST 304565 B
The ST 30 B is a durable linear ball bushing designed for smooth, low-friction linear motion along a 30 mm diameter shaft. With a 30 mm bore, 45 mm outer diameter, and 65 mm length, it provides a compact yet robust solution suitable for CNC machines, automation equipment, linear guides, and other mechanical systems requiring precise and stable linear travel. Its construction features multiple rows of hardened steel balls that circulate within the sleeve, ensuring smooth and accurate linear motion with minimal resistance. The ST 30 B supports moderate to heavy loads with a dynamic load capacity of approximately 4,800 N and a static load rating of about 6,270 N. Lightweight and compact, it is ideal for guiding 30 mm shafts in tight layouts, providing reliable, efficient, and long-lasting performance in industrial and mechanical applications.
ST 352570 B
The ST 35 B is a robust linear ball bushing designed for smooth, low‑friction linear motion along a 35 mm diameter shaft, combining compact form factor with dependable load-bearing capacity. With an inner diameter of 35 mm, an outer diameter of 52 mm, and a 70 mm bushing length, it offers a balanced design ideal for linear guides, automation equipment, CNC machines, and other mechanical systems requiring precise and stable linear travel. Its construction supports both moderate dynamic and static loads, making it suitable for applications where repeated motion and moderate loads are expected. The ST 35 B ensures smooth sliding motion, reduces friction compared to plain bushings, and maintains shaft alignment — contributing to longevity and reliability in linear motion setups. Its compatibility with standard 35 mm shafts makes it a versatile choice for retrofits or new builds where linear motion is required.
ST 406080 B
The ST 40 B is a linear motion ball bearing (linear bushing) designed for smooth, low‑friction sliding along a 40 mm shaft in automated and mechanical systems. With an inner diameter of 40 mm, outer diameter of 60 mm, and a robust 80 mm length, this bearing provides stable support and precise linear travel for applications such as CNC machines, linear actuators, guides, and automation equipment. Made from hardened chrome steel, ST 40 B offers good durability and resistance to wear under continuous or repetitive motion, while its dynamic and static load ratings ensure it can sustain considerable loads without compromising performance. Its compact cylindrical shape and moderate weight make it easy to integrate into linear motion systems, offering a reliable and cost-effective solution for guiding shafts, rails, or rods in industrial or DIY setups.
The LM80UU is a heavy-duty linear motion ball bearing designed for smooth, accurate, and low-friction movement along an 80 mm precision shaft. Built from hardened bearing steel, it features multiple recirculating ball circuits that provide excellent load capacity and rigidity, making it ideal for industrial automation, CNC machinery, packaging systems, and heavy linear motion equipment. Its double-sealed “UU” design helps keep dust and contaminants out, ensuring long life and reliable operation even in demanding environments. With its large inner diameter and robust construction, the LM80UU delivers stable, precise linear travel for high-load and long-stroke applications.
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