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Item #: 902-111-165
Rotor: 5/8"-18 Machined LH

  • Single passage for coolant or MQL
  • Patented "pop-off" technology allows unlimited dry running without media pressure
  • Full-flow design has no obstructions to trap chips or debris
  • Bearing-supported with threaded rotor for easy installation
  • Dual ABEC 7 (ISO class P4) angular contact ball bearings (1109)
  • Deep groove radial ball bearings (902)
  • Labyrinth system and large vents to protect ball bearings
  • Balanced mechanical seals made from silicon carbide for long life even under difficult operating conditions
  • Anodized aluminum housing resists corrosion
  • Stainless steel rotor

  • Reference "1109/902 Series Pressure vs Speed Graph"
  • Reference "Coolant Unions Spindle Tolerances"

  • Price : $465.00

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    Fields marked with   are required

    Hose Connection   NPT
    Housing Connection   Axial
    Housing Hose Thread Size B   3/8"
    Media   Coolant, MQL
    Passages   One Passage
    Rotor Description   5/8"-18 Machined LH
    Rotor Thread Direction   LH
    Rotor Thread Size A   5/8"-18
    Rotor Type   Threaded
    Seal Combination   Standard Seals
    Union Size   3/8"



    A Rotor Thread   5/8"-18
    B Port   3/8"
    C Max   1.72 IN
    C Min   1.72 IN
    D   5.22 IN
    E   1.41 IN
    F   0.43 IN
    G   0.34 IN
    H   0.94482 IN
    I Max   0.6555 IN
    I Min   0.6553 IN
    M   0.19 IN
    N   1.5 IN
    P Thread   1/4" NPT IN



    Coolant Pressure   1000 PSI
    Coolant Temp   160 F
    Max Speed   12000 RPM
    Maximum Flow   21.6 GPM
    MQL Pressure   150 PSI
    MQL Temp   160 F



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    Welcome to DEUBLIN >

    Welcome to Deublin.com!

    Since 1945, Deublin has grown from a small garage shop to the world’s largest manufacturer of rotary unions (rotating unions). Our worldwide distribution network allows OEM’s all over the world to specify Deublin rotary unions when purchasing equipment made in another country. Wherever you’re located, Deublin has a stocking distributor nearby to meet your fluid handling requirements—quickly. Rotary unions must accommodate a broad range of materials, viscosities, temperatures, pressures and speeds. That’s why the Deublin rotary union product line offers over 500 standard rotary unions, over 3,000 separate models, and more than 6,000 individual components to handle them.

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