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  • 6005 Single Row Deep Groove Ball Bearings Read more
    Single Row Deep Groove Ball Bearings

    6005 Single Row Deep Groove Ball Bearings
    • 6005 precision single row deep groove ball bearing solution.
    • Engineered for high-speed operation with balanced radial and axial load capacity.
    • Features a reinforced pressed steel cage for low friction and thermal stability.
    • Mitigates premature fatigue through high-purity GCr15 steel and precision raceway honing.
    • Technical geometry audit: 25mm (bore) x 47mm (OD) x 12mm (width) dimensional data for cross-referenced replacement verification.

    The 6005 is a versatile industrial workhorse engineered for replacement and functional interchangeability with international ISO standards. Developed for electric motors, pumps, and gearboxes, this bearing ensures long-term lubrication reliability and low noise vibration levels in high-speed industrial applications.

  • 618/670 MB Deep groove ball bearings Read more
    Ball Bearings

    618/670 MB Deep groove ball bearings 670X820X69mm

    ZQM 618/670MB Thin-Section Deep Groove Ball Bearing

    Extra-Large Series (670x820x69 mm) | Machined Brass Cage

    Maximize performance in limited space. The ZQM 618/670MB is a premium single-row thin-section bearing designed for heavy steel mills and large motor assemblies. Unlike standard stamped steel cages, our “MB” design features a solid machined brass cage, providing superior stability and vibration resistance under medium-to-high speeds.

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      Precision Dimensions: 670mm ID x 820mm OD x 69mm Width.
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      Heavy-Duty Cage (MB): Solid Brass Cage for enhanced durability in harsh mining & steel environments.
    • ✔
      Lightweight Efficiency: Weighs only 81.9 kg, optimizing torque and reducing structural load.
    • ✔
      Application Ready: Engineered for steel milling machines, industrial turntables, and large electrical motors.

    ⚙️ Fit & Tolerance Check: Replacing an old bearing?
    Contact ZQM Engineering to confirm radial clearance (C3/C4) and fit requirements before ordering.

  • 6208 Single Row Deep Groove Ball Bearings Read more
    Single Row Deep Groove Ball Bearings

    6208 Single Row Deep Groove Ball Bearings
    • 6208 precision single row deep groove ball bearing solution.
    • Engineered for high-speed operation with balanced radial and axial load capacity.
    • Features a high-precision pressed steel cage for low friction and thermal stability.
    • Mitigates premature fatigue spalling through vacuum-degassed GCr15 steel purity.
    • Technical geometry audit: 40mm (bore) x 80mm (OD) x 18mm (width) dimensional data for cross-referenced replacement verification.

    The 6208 is a versatile industrial workhorse engineered for replacement and functional interchangeability with international ISO standards. Developed for heavy-duty electric motors, centrifugal pumps, and gearboxes, this bearing ensures long-term lubrication reliability and low noise vibration levels in continuous high-speed industrial applications.

  • FCD5678275 Four Row Cylindrical Roller Bearing Read more
    Cylindrical Roller Bearings

    FCD5678275 Four Row Cylindrical Roller Bearing | SKF BC4-0100 (314719C)

    ZQM FCD5678275 Four-Row Cylindrical Roller Bearing

    Rolling Mill Series (280x390x275 mm) | FCD5678275 | Replacement for SKF BC4-0100 (Legacy Designator: 314719 C)

    Engineered for Roll Necks: The ZQM FCD5678275 is a heavy-duty four-row cylindrical roller bearing specifically designed to withstand the extreme radial impact loads of steel rolling mills. Featuring a precision-machined brass cage and optimized C3/C4 clearance, it serves as a high-performance, direct interchange for SKF BC4-0100 (314719C) and FAG 527104.

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      Precision Fit: 280mm (ID) x 390mm (OD) x 275mm (W). Verified tolerance matching.
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      Ultra-Heavy Load: Exceptional radial capacity (C0r > 6600 kN). *Pair with thrust bearing for full assembly.
    • ✔
      Global Interchange: 100% drop-in compatible with SKF 314719C / FAG 527104 / Koyo 56FC39275J.
  • FCDP 5678275/YA3 Four Row Cylindrical Roller Bearing Read more
    Four Row Cylindrical Roller Bearings

    FCDP 5678275/YA3 Four Row Cylindrical Roller Bearing
    • FCDP 5678275/YA3 heavy-duty bearing solution for steel mill rolling applications.
    • Designed for extreme radial load capacity and continuous operation under shock conditions.
    • Features a Pin-type Cage (P) for maximized roller count and enhanced load distribution.
    • Optimized internal geometry (YA3) for thermal stability and vibration absorption in mill stands.
    • Dimensions 280x390x275mm verified against technical catalog for precise functional replacement.

    As a critical Technical Feature in metal processing, this FCDP 5678275/YA3 is developed as a precise replacement for rolling mill work rolls. The pin-type cage ensures lubrication reliability under extreme thermal load. It is perfectly interchangeable for procurement verification where dimensional stability and high-fatigue margin are the primary operational requirements.

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