ER20 (Deep Groove Ball Bearing)
Equipped with a deep groove ball bearing, it features a simple, durable design and operates smoothly. Suitable for general drilling and light milling operations, it offers high versatility and is easy to retrofit and install on machine tools and automated equipment. Ideal for machining common materials such as wood and aluminum.
ER20 (High Speed 7000 RPM)
With an optimized bearing configuration, it achieves a maximum speed of 7,000 RPM, featuring excellent dynamic balance, low vibration, and minimal temperature rise. It is suitable for high-speed drilling, precision engraving, and small-scale precision machining, enhancing the surface finish of workpieces.
ER20 Boring and Milling (Angular Contact)
Features angular contact bearings for enhanced radial and axial load capacity and resistance to off-center loads. Supports combined drilling, boring, and milling operations with stable load distribution, meeting the demands of medium-load boring and milling of metals.
ER25 (Deep Groove Ball Bearings)
Equipped with deep-groove ball bearings for easy maintenance and a long service life. Supports a wider range of tool sizes and is commonly used for conventional drilling and light milling, making it suitable for various small-scale machining equipment and retrofits of automated special-purpose machines.
ER25 (High-Speed)
Features a structure optimized for high-speed operation, ensuring stable performance during prolonged high-speed operation with low noise. Suitable for precision drilling, engraving, and light finishing, and widely used with milling machines and retrofitted CNC equipment.
ER25 Boring and Milling (Angular Contact)
Angular contact bearing assembly capable of withstanding combined axial and radial loads, offering excellent rigidity. Capable of drilling, boring, and face milling operations, ensuring consistent and stable machining accuracy during metal boring and milling applications.
ER32 (Deep Groove Ball Bearing)
Standard deep groove ball bearing configuration with high versatility and a wide range of compatible cutting tools. With moderate load-carrying capacity, they are used in automated special-purpose machines, milling machine drilling, and light milling operations, and are simple and convenient to install and remove.
ER32 (High-Speed)
Factory-calibrated for dynamic balance, enabling long-term high-speed rotation with minimal vibration. Suitable for high-speed drilling and finishing of aluminum, plastic, and wood, and compatible with various light-cutting, high-speed machining scenarios.
ER32 Boring and Milling (Angular Contact)
Features an angular contact bearing design that offers high rigidity, impact resistance, and outstanding combined load-carrying capacity. Supports heavy-duty drilling, boring, and milling operations, making it the preferred power spindle unit for medium-to-heavy-duty boring and milling of metals.
