Ball Bearings for Submerged LH2 Pumps (7307)

by MinebeaMitsumi Europe

  • Cost effectively manufactured ball bearings for submerged LH2 pumps.
  • Ceramic balls
  • Rings made of hydrogen resistant steel
  • Static radial load rating 20800 N
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Ball Bearings for Submerged LH2 Pumps

  • The MinebeaMitsumi bearings are produced with a passion for precision and are, of course, subject to the highest quality standards.
  • The ball and roller bearings can be ordered in a great many varities, made of different materials, flanged, open, or shielded—in other words, exactly as required for your application!
  • All MinebeaMitsumi bearing components are efficiently and therefore cost-effectively manufactured in MinebeaMitsumi’s own facility.

Key features

  • Bearing Types / ISO Series available (load-dependent):
    • Deep groove (ISO: 60, 62, 63)
    • Angular contact (ISO: 70, 72, 73)
    • Four-point contact (ISO: QJ2, QJ3)
  • Bore sizes can stretch from 20 to 100 mm
  • Contact angle and radial play will be adapted to the operating condition.
  • Bearing internal geometry is adapted to cryogenic temperature of -253 °C
  • PTFE compound retainer

Technical specifications

  • Inner diameter: 35 mm
  • Outer diameter: 80 mm
  • Width: 21 mm
  • Contact angle: 25°
  • Ball quantity: 11
  • Ball diameter:  12.7 mm
  • Dynamic radial load rating: 40000 N
  • Static radial load rating: 20800 N

Technical drawing

Ball Bearings for Submerged LH2 Pumps - components

Applications

  • Submerged hydrogen (LH2) pump.

Contact us

  • MinebeaMitsumi offers a wide range of assemblies with high-precision MinebeaMitsumi’s ball and roller bearings. Interested? Please contact MinebeaMitsumi by filling in the contact vendor form.
Type of Bearing

Number of Balls

Maximum Width (mm)

Max Outer Diameter (mm)

Max Inner Diameter (mm)

Max Static Radial Load Rating (N)

Max Dynamic Radial Load Rating (N)

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      MinebeaMitsumi Europe

      The NMB-Minebea-GmbH near Frankfurt am Main is the European Sales HQ of MinebeaMitsumi Inc., a globally operating technology conglomerate based in Japan. Founded in the 1950s as Japan's first manufacturer specializing in miniature ball bearings, MinebeaMitsumi Inc. is now represented with over 100,000 employees at more than 108 locations in 21 nations.

      In addition to numerous sales, development, and production locations in Germany, Italy, and France, NMB-Minebea-GmbH serves as a supplier for automotive, aerospace, medical, and industrial applications. MinebeaMitsumi products are encountered daily and in almost every sector, often without us consciously realizing it at first glance. From ball bearings to motors to semiconductors, as the European distribution center, NMB-Minebea-GmbH acts as a strong partner from pre-development to series production.

      GmbH near Frankfurt am Main is the European Sales HQ of MinebeaMitsumi Inc., a globally operating technology conglomerate based in Japan. Founded in the 1950s as Japan's first manufacturer specializing in miniature ball bearings, MinebeaMitsumi Inc. is now represented with over 100,000 employees at more than 108 locations in 21 nations.

      In addition to numerous sales, development, and production locations in Germany, Italy, and France, NMB-Minebea-GmbH serves as a supplier for automotive, aerospace, medical, and industrial applications. MinebeaMitsumi products are encountered daily and in almost every sector, often without us consciously realizing it at first glance. From ball bearings to motors to semiconductors, as the European distribution center, NMB-Minebea-GmbH acts as a strong partner from predevelopment to series production.

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