Description
LM 25 UU Linear Ball Bearing
The LM 25 UU provides smooth, low-friction linear movement on 25 mm shafts. Dual metal shields retain lubricant and protect the bearing from dust, suitable for CNC machines, linear actuators, and industrial automation.
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Inner Diameter: 25 mm
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Outer Diameter: 37 mm
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Length: 47 mm
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Sealing: Metal shields (UU)
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Features: Smooth motion, dust protection, accurate positioning
Related products
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.
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.
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