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Ruland Bellows Couplings

Ruland Bellows couplings are zero-backlash and have no moving parts, ensuring a long maintenance free life.

The bellows coupling comprises of stainless steel bellows between two anodized aluminium hubs, which create a lightweight, low inertia coupling, capable of accommodating all types of misalignment — parallel, angular, axial motion, and complex. 

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Ruland Imperial Bellows coupling
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What are the features and benefits of Ruland bellows couplings?

Ruland bellows coupling

Features and Benefits:

  • Lightweight, low inertia coupling with a long maintenance free life
  • Balanced design reduces vibration at higher speeds of up to 10,000 RPM
  • Stainless steel bellows are used for added strength and high torsional rigidity
  • Accommodates all types of misalignment
  • RoHS2 and REACH compliant

Bellows couplings are available in clamp and set screw styles with or without keyways in bore sizes from 1/8” (3mm) to 1” (25mm).

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Stock

  • Just show products in stock (3)

Bore Type

  • Pilot bored (73)
  • Bored & keyed (39)

Size

  • 33 (27)
  • 51 (26)
  • 41 (23)
  • 25 (16)
  • 57 (7)
  • 19 (4)
  • 16 (3)
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  • 26 (1)
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od (mm)

  • 15 (2)
  • 19.1 (4)
  • 25.4 (19)
  • 33.3 (27)
  • 41.3 (23)
  • 50.8 (27)
  • 57.2 (7)

Large Bore (mm)

  • 4 (1)
  • 6 (4)
  • 6.35 (2)
  • 8 (6)
  • 9 (2)
  • 9.525 (2)
  • 10 (11)
  • 11 (3)
  • 12 (11)
  • 12.7 (2)
  • 14 (10)
  • 15 (6)
  • 16 (13)
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  • 19 (9)
  • 19.05 (1)
  • 20 (11)
  • 22 (6)
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  • 25 (3)

Small Bore (mm)

  • 4 (1)
  • 4.7625 (1)
  • 5 (1)
  • 6 (8)
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  • 8 (7)
  • 9 (8)
  • 9.525 (3)
  • 10 (18)
  • 11 (4)
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  • 12.7 (1)
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  • 16 (10)
  • 17 (1)
  • 18 (4)
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  • 25 (2)

Length (mm)

  • 27.3 (2)
  • 33.2 (4)
  • 34.2 (16)
  • 43.2 (27)
  • 51.7 (23)
  • 61.3 (26)
  • 82.2 (7)

Hub Width (mm)

  • 8.65 (2)
  • 10.4 (4)
  • 11.85 (16)
  • 15 (27)
  • 18.05 (23)
  • 20.55 (26)
  • 26.67 (7)

od (inch)

  • 0.59 (1)
  • 0.745 (1)
  • 1 (3)
  • 1.5/8 (1)
  • 2 (1)

Large Bore (inch)

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Small Bore (inch)

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  • 1/2 (1)

Length (inch)

  • 1.076 (1)
  • 1.306 (1)
  • 1.345 (3)
  • 2.035 (1)
  • 2.413 (1)

Hub Width (inch)

  • 0.34 (1)
  • 0.41 (1)
  • 0.467 (3)
  • 0.71 (1)
  • 0.81 (1)