Koyo NA4905 Metric Series Caged Round Bore Needle Roller Bearing With Inner Ring, 25 mm Dia Bore, 42 mm OD, 1 Row, 17 mm W, 24.3 kN Dynamic/31.7 kN Static Load

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$52.43
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SKU: TORNA4905
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Heavy duty Needle Roller Bearings consists of a machined and ground channel-shaped outer ring with a complement of needle rollers and a cage. The high-strength cage retains and guides the rollers. An optional lubrication groove and hole in the outer ring facilitates re-lubrication. These bearings can be used with or without machined and ground inner ring, depending on the suitability of the shaft as a raceway surface.

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Main specs
  • Brand
    Koyo
  • UPC
    605790213373
  • Manufacturer Part Number
    NA4905
  • Country
    USA
Specification
  • Load Capacity
    24.3 kN Dynamic/31.7 kN Static
  • Cage Material
    Steel
  • Temperature Rating
    -30 to 110 deg C
  • Maximum Speed
    9700 rpm Grease/15000 rpm Oil
  • Closure Type
    Open
  • Type
    Caged Round Bore
  • Width
    17 mm
  • Series
    NA49 Metric Series
  • Number of Rows
    1
  • Bearing Material
    High Carbon Chrome Steel
  • Outside Diameter
    42 mm
  • Bore Diameter
    25 mm
Features
  • Thick outer ring provides maximum load capacity and shock resistance with a relatively small radial cross section
  • Optimum speed and lubrication-retention capability
  • Best used for high radial load applications
  • Made from premium high carbon chrome japanese steel
Additional Information
  • UNSPSC
    31171512
  • Standards/Approvals
    ABEC1|DIN 617
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