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Home / Thin Wall Bearings / Thin-walled Metric Bearings PB Series

Thin-walled Metric Bearings PB Series

Thin-walled Metric Bearings PB Series are standardized, lightweight precision rolling bearings adhering to metric dimensions, ideal for industrial equipment requiring space efficiency, accuracy, and interchangeability.

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Thin-walled Metric Bearings PB Series
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TOP PRODUCT TYPES DENTAIL APPLICATION RELATED PRODUCTS
Thin-walled Metric Bearings PB Series
  Type Main dimensions Rated load Rated speed
      Dynamics Static Speed limit
Mail   d[mm] D[mm] B[mm] C[kN] C0[kN] [r/min]
LBB90070 900 1050 70 - - -
LBB80070 800 950 70 - - -
LBB70045 700 815 45 - - -
LBB60040 600 700 40 - - -
LBB50050 500 625 50 - - -
LBB50040 500 600 40 - - -
LBB40040 400 510 40 - - -
LBB40035 400 480 35 - - -
LBB30040 300 405 40 - - -
LBB30035 300 395 35 - - -
LBB30025 300 360 25 - - -
LBB25040 250 355 40 - - -
LBB25030 250 330 30 - - -
LBB25025 250 310 25 - - -
LBB20035 200 295 35 - - -
LBB20030 200 280 30 - - -
LBB20025 200 260 25 - - -
LBB15030 150 230 30 - - -
LBB15025 150 210 25 - - -
LBB15013 150 180 13 - - -
<< 1 2 >>
Dentail

Key Features

  1. Ultra-lightweight Construction
    • Advanced wall-thinning technology reduces weight by 40-60% compared to conventional bearings
    • Materials: Vacuum-degassed bearing steel (SUJ2) or SiC ceramic for HRC60+ hardness and 10^7+ fatigue cycles
  2. ISO Metric Compliance
    • Full adherence to ISO 15:2011 dimensional standards with IT5-class tolerance control
    • 72/73/74 series compatible with global OEM replacement parts
  3. Modular Sealing Solutions
    • Available in open (-RS), double-lip (-2RS), and labyrinth (-Z) configurations
    • IP65-rated integrated shields for environments with ≤10mg/m³ dust concentration
Application
The bearings can be used in the following industries
  • Semiconductor: Wafer stages in lithography tools (radial runout ≤2μm)
  • Aerospace: Gyroscope supports in inertial navigation systems (-55℃~+125℃ operation)
  • Medical: PET-CT gantries (service life ≥20,000 hours)
  • EVs: Wheel hub motor drives (50g vibration resistance)
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+86 15538573027

sale@lkwebearing.com

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