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  • BK6-Bellows coupling with external clamping ring and tapered press-fit connection
  • BK6-Bellows coupling with external clamping ring and tapered press-fit connection
BK6-Bellows coupling with external clamping ring and tapered press-fit connection
  • Axial mounting possible
  • Easy installation and removal
  • Electrically and thermally insulating
  • absolutely backlash free and torsionally stiff


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DetailsParameter

  • Features

    • Axial mounting possible
    • Easy installation and removal
    • Electrically and thermally insulating
    • absolutely backlash free and torsionally stiff

    Temperature range
    • -30 °C to +100 °C (-22 °F to +212 °F)


    Design
    • Two conical clamping ring hubs, one of which has a tapered male projection for bind mate connection
    • Brief overloads of up to 1.5x the rated torque are acceptable


    Material
      • Bellows: high grade stainless steel
      • Hubs: steel
      • Tapered male segment: high strength plastic


    • Service life

      • R+W bellows couplings are fatigue resistant and wear free for an infinite service life, as long as the technical limits are not exceeded


      Fit clearance

      • Overall shaft / hub clearance of 0.01 – 0.025 mm


      Special solutions

      • Various materials, tolerances, dimensions and performance ratings available for custom applications on request


      ATEX (Optional)
      • For use in hazardous zones 1/21 and 2/22, the metal bellows has been authorized under directive 94/9/EG and is available with certification


    BK6 15 BK6 30 BK6 60 BK6 150 BK6 300 BK6 500 BK6 800 BK6 1500
    Model BK6 15 58 BK5 15 65 BK6 30 68 BK6 30 76 BK6 60 79 BK6 60 89 BK6 150 97 BK6 150 109 BK6 300 113 BK6 300 127 BK6 500 132 BK6 500 145 BK6 800 140 BK6 1,500 158
    Rated torque (Nm) 15 15 30 30 60 60 150 150 300 300 500 500 800 1,500
    Coupling length (mm) 58 65 68 76 79 89 97 109 113 127 132 145 140 158
    Bore diameter from Ø to Ø H7 (mm) 10-22 10-22 12-24 12-24 12-32 12-32 15-40 15-40 24-56 24-56 30-60 30-60 40-62 50-75
    Outside diameter (mm) 49 49 55 55 66 66 81 81 110 110 124 124 133 157
    Torsional stiffness (10³ Nm/rad) 10 8 20 14 38 28 88 55 225 175 255 245 400 660



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