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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.
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      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

    ZQM Bearings 6208 Single Row Deep Groove Ball Bearing

    Review boundary dimensions and the complete designation, including clearance, tolerance, cage and lubrication requirements. Reference data and brand comparisons require confirmation against the actual supplied design; matching dimensions alone do not establish interchangeability.

    For a quotation, send the designation, quantity, destination and technical requirements, with drawings or marking photographs where available.

  • 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 = 6130 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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