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Bearings
  • RASP is an approved OEM supplier, therefore bearings may be included with or added at the point of manufacture at minimal costs
  • our computerized analysis confirms life expectancy to ensure adequate bearing size
  • bearings are chosen to provide the best solution for shaft profile and L10 life calculations
  • our criteria for minimum calculated L10 bearing life is 60,000 hours
  • vibration and shock loads are an important consideration
  • special attention is given to unusual loading and mounting conditions
  • special attention is given to the adequacy of lubricant and seals
  • premature bearing failure can often be prevented through temperature and vibration detection
  • RASP can supply remote temperature sensors and vibration sensors integrated into bearing housings with accompanying electronic equipment for an easy and effective monitoring system

Standard Bearing Housings
SAFD Style Bearing Housing
  • most commonly used bearings are 222, 232, 230, 231 and 232 series double-row spherical
    • these bearings have high static and dynamic radial load capacity
    • accommodate excessive angular misalignment (from installation or shaft deflection)
  • most common housings are split pillow blocks of SAF or SD type
    • available in gray iron, ductile iron or steel
    • Triple labyrinth (LER) seals are standard for these types of housings
    • taconite type auxiliary seals are recommended where extreme contamination (especially small abrasive particles) threatens to penetrate inside the housing and cause bearing failure

RSPA Centre-Pull Bearing Housings

RASP RSPA Style Bearing Housing
  • our solid RSPA take-up housings and RBND pillow blocks are designed specifically for the most rugged take-up pulley mountings
  • machined from either steel or ductile iron castings
  • slotted to suit Center Pull Take-up Frames or to fit rails built into the conveyor framework
  • external seal components are split for use with triple labyrinth (LER and LORC) or taconite (TER) seals
  • complimentary pairs of fixed and floating assemblies accommodate longitudinal shaft expansion
  • available for shaft sizes ranging from 80mm to 360mm
  • available with a wide range of bearing sizes and series
  • RASP will custom design and manufacture bearing blocks for specific needs
 

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