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Home / Products / Parts For Wire Cutting Machine / Bearing 624-ZZNMB (Miniature Deep Groove Ball Bearing)
  • Bearing 624-ZZNMB (Miniature Deep Groove Ball Bearing)
  • Bearing 624-ZZNMB (Miniature Deep Groove Ball Bearing)
  • Bearing 624-ZZNMB (Miniature Deep Groove Ball Bearing)
  • Bearing 624-ZZNMB (Miniature Deep Groove Ball Bearing)

Bearing 624-ZZNMB (Miniature Deep Groove Ball Bearing)


The 624-ZZNMB miniature deep groove ball bearing is a high-precision rotary support widely used in the guide roller assemblies of WEDM machines, with a 4mm bore, 13mm outer diameter and 5mm width. ZZNMB indicates double shields (ZZ) with a specific brand or specification of sealing and lubrication. Made of high-grade bearing steel with precision-ground balls and raceways, it features precise clearance control, high rotational accuracy and low frictional torque. The shields effectively prevent working fluid and metal chips from entering the bearing, extending grease life and bearing service life. The 624 bearing suits guide rollers, small shafts and other applications requiring high speed, low noise and long service life — one of the most widely used standard components in WEDM machines.

  • ·Inner diameter: 4mm
    ·Outer diameter:13mm
    ·Width: 5mm

About Us
Baoshijie Cnc Machine Tool Jiangsu Co., Ltd.
Baoshijie Cnc Machine Tool Jiangsu Co., Ltd.
Baoshijie CNC Machine Tool Jiangsu Co., Ltd. is located in the Yuxi Economic Development Zone, Jiangyan District, Taizhou City, Jiangsu Province. We are a high-tech manufacturer integrating the R&D, production, sales, and service of CNC machine tools. With a complete organizational structure covering technology, production, management, and sales service, the company is committed to providing reliable products and efficient support to our customers.
Our main products include medium-speed wire EDM machines, high-speed wire EDM machines, EDM drilling machines, precision mirror EDM die-sinking machines, and CNC engraving and milling machines. Known for their excellent design, stable performance, and competitive pricing, our machines are widely used in precision mold making, automotive, construction machinery, electronics and telecommunications, precision parts processing, and aerospace industries. The company has also passed the ISO9001:2015 quality management system certification.
Guided by customer needs and supported by continuous technological innovation, Baoshijie is dedicated to improving product performance and delivering advanced machining solutions. Adhering to the philosophy of “Quality First, Sincere Service,” we continuously enhance both our product quality and service standards, striving to become a long-term and trusted partner for customers worldwide.
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