NA 6902
The NA 6902 is a single‑row needle roller bearing with machined rings and an inner ring — engineered to deliver high radial load capacity while maintaining a low cross‑sectional height. Because of its dense arrangement of fine rollers and the flanged outer ring, it offers strong rigidity, smooth rotation, and reliable load distribution even in tight radial spaces. It’s commonly used in gearboxes, pumps, transmissions and other mechanical assemblies where compactness and high load capacity are required. The bearing is made from bearing‑grade steel and designed for durability, long service life, and efficient operation in demanding conditions.
NA 6903
The NA 6903 is a needle roller bearing with a machined inner ring and outer ring flanges, built to deliver high radial load capacity while maintaining a relatively low cross‑sectional height. Its dense arrangement of small‑diameter rollers ensures firm load distribution and smooth, dependable rotation — ideal for gearboxes, pumps, motors, and other industrial machinery where robust performance and compact design are required. Constructed from bearing-grade steel, NA 6903 offers good durability, low friction, and long service life under continuous or heavy-duty conditions.
NA 6904
The NA 6904 is a needle roller bearing with a machined inner ring, built to offer high radial load capacity while fitting into limited radial space. Thanks to its design — including a full set of small‑diameter rollers guided by flanges on the outer ring — it delivers dependable, smooth rotational performance under heavy and continuous loads, making it suitable for gearboxes, pumps, motors, and various industrial or mechanical applications. Constructed from quality bearing steel, the NA 6904 offers robustness, good wear resistance, and long service life when properly lubricated.
NA 6906
The NA 6906 is a high-performance needle roller bearing designed to handle heavy radial loads while operating in compact spaces. Its full-complement needle roller arrangement provides excellent rigidity and load distribution, making it suitable for high-demand applications such as industrial machinery, gearboxes, pumps, and automotive components. Built from premium bearing steel, the NA 6906 offers reliability, low friction, and long service life even under continuous or high-speed operation.
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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