About

Beam Couplings

Ruland manufactures three series of zero-backlash beam couplings in inch or metric dimensions with bores ranging from 3/32" (3mm) to 3/4" (20mm). Flexible beam couplings in all three series are machined from a single piece of aluminum or stainless steel and feature multiple helical cuts. The multiple cut design provides higher torque capabilities and greatly reduced wind-up when compared to commodity type single beam couplings.

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Beam Couplings
Bellows Couplings

Bellows couplings combine stainless steel bellows and black anodized aluminum hubs to offer superior performance in motion control applications. The bellows are made of stainless steel, which makes them ideal for transmitting torque. Due to the bellows' thin walls, the coupling is able to flex easily while remaining rigid under torsional loads. Parallel misalignment, angular misalignment and axial motion are accommodated by the bellows coupling.

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Bellows Couplings
Disc Couplings

Ruland manufactures disc couplings in single disc and double disc styles with bores in inch, metric, and inch to metric combinations ranging from 1/8” (3mm) to 1 1/4" (32mm). Disc couplings are torsionally rigid, have low inertia, and operate with zero-backlash making them ideal for precise positioning systems in industries such as test and measurement, semiconductor, solar, and printing.

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Disc Couplings
Jaw Couplings

Ruland manufactures zero-backlash jaw couplings with bore sizes ranging from 1/8” to 1-1/4” and 3mm to 32mm. Jaw couplings feature a highly customizable three-piece design, have low inertia, and are well suited for applications that require dampening in industries such as semiconductor, solar, machine vision, liquid handling, and medical.

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Jaw Couplings
Oldham Couplings

Oldham couplings are a three piece design comprised of two aluminum hubs press fit onto a center disk. Torque transmission is accomplished by mating the slots on the center disk to the drive tenons on the hubs. During operation the center disk slides on the tenons of each hub (which are orientated 90° apart) to transmit torque. While the couplings accommodate a small amount of angular and axial misalignment, they are especially useful in applications with parallel misalignment.

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Oldham Couplings

Products

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  1. Ruland MJS33-12-A JD21/33-85B MJS33-11-A, Jaw Coupling Bundle
    MJS33-12-A JD21/33-85B MJS33-11-A

    Starting at $20.35 ea

    In stock
    Ruland MJS33-12-A JD21/33-85B MJS33-11-A, 12mm x 11mm Jaw Coupling Bundle, Aluminum, Set Screw Style Hubs, 33.3mm OD, 44.5mm Length

    Starting at $20.35 ea

  2. Ruland MJC15-3-A JD10/15-85B, Jaw Coupling Bundle
    MJC15-3-A JD10/15-85B

    Starting at $12.02 ea

    In stock
    Ruland MJC15-3-A JD10/15-85B, 3mm x 3mm Jaw Coupling Bundle, Aluminum, Clamp Style Hubs, 15.0mm OD, 21.8mm Length

    Starting at $12.02 ea

  3. Ruland MJC15-3-A JD10/15-85B MJS15-3-A, Jaw Coupling Bundle
    MJC15-3-A JD10/15-85B MJS15-3-A

    Starting at $12.02 ea

    In stock
    Ruland MJC15-3-A JD10/15-85B MJS15-3-A, 3mm x 3mm Jaw Coupling Bundle, Aluminum, Clamp/Set Screw Style Hubs, 15.0mm OD, 21.8mm Length

    Starting at $12.02 ea

  4. Ruland MJC15-3-A JD10/15-98R, Jaw Coupling Bundle
    MJC15-3-A JD10/15-98R

    Starting at $9.74 ea

    In stock
    Ruland MJC15-3-A JD10/15-98R, 3mm x 3mm Jaw Coupling Bundle, Aluminum, Clamp Style Hubs, 15.0mm OD, 21.8mm Length

    Starting at $9.74 ea

  5. Ruland MJSC57-24-A JD36/57-92Y MJS57-14-A, Jaw Coupling Bundle
    MJSC57-24-A JD36/57-92Y MJS57-14-A

    Starting at $42.12 ea

    In stock
    Ruland MJSC57-24-A JD36/57-92Y MJS57-14-A, Jaw Coupling Bundle

    Starting at $42.12 ea

  6. Ruland MJC15-3-A JD10/15-92Y MJS15-3-A, Jaw Coupling Bundle
    MJC15-3-A JD10/15-92Y MJS15-3-A

    Starting at $9.74 ea

    In stock
    Ruland MJC15-3-A JD10/15-92Y MJS15-3-A, 3mm x 3mm Jaw Coupling Bundle, Aluminum, Clamp/Set Screw Style Hubs, 15.0mm OD, 21.8mm Length

    Starting at $9.74 ea

  7. Ruland MJC15-4-A JD10/15-85B MJC15-3-A, Jaw Coupling Bundle
    MJC15-4-A JD10/15-85B MJC15-3-A

    Starting at $12.02 ea

    In stock
    Ruland MJC15-4-A JD10/15-85B MJC15-3-A, 4mm x 3mm Jaw Coupling Bundle, Aluminum, Clamp Style Hubs, 15.0mm OD, 21.8mm Length

    Starting at $12.02 ea

  8. Ruland MJSC57-24-A JD36/57-92Y MJS57-15-A, Jaw Coupling Bundle
    MJSC57-24-A JD36/57-92Y MJS57-15-A

    Starting at $42.12 ea

    In stock
    Ruland MJSC57-24-A JD36/57-92Y MJS57-15-A, Jaw Coupling Bundle

    Starting at $42.12 ea

  9. Ruland MJC15-3-A JD10/15-98R MJS15-3-A, Jaw Coupling Bundle
    MJC15-3-A JD10/15-98R MJS15-3-A

    Starting at $9.74 ea

    In stock
    Ruland MJC15-3-A JD10/15-98R MJS15-3-A, 3mm x 3mm Jaw Coupling Bundle, Aluminum, Clamp/Set Screw Style Hubs, 15.0mm OD, 21.8mm Length

    Starting at $9.74 ea

  10. Ruland MJC15-4-A JD10/15-85B, Jaw Coupling Bundle
    MJC15-4-A JD10/15-85B

    Starting at $12.02 ea

    In stock
    Ruland MJC15-4-A JD10/15-85B, 4mm x 4mm Jaw Coupling Bundle, Aluminum, Clamp Style Hubs, 15.0mm OD, 21.8mm Length

    Starting at $12.02 ea

  11. Ruland MJSC57-24-A JD36/57-92Y MJS57-16-A, Jaw Coupling Bundle
    MJSC57-24-A JD36/57-92Y MJS57-16-A

    Starting at $42.12 ea

    In stock
    Ruland MJSC57-24-A JD36/57-92Y MJS57-16-A, Jaw Coupling Bundle

    Starting at $42.12 ea

  12. Ruland MJC15-4-A JD10/15-85B MJS15-3-A, Jaw Coupling Bundle
    MJC15-4-A JD10/15-85B MJS15-3-A

    Starting at $12.02 ea

    In stock
    Ruland MJC15-4-A JD10/15-85B MJS15-3-A, 4mm x 3mm Jaw Coupling Bundle, Aluminum, Clamp/Set Screw Style Hubs, 15.0mm OD, 21.8mm Length

    Starting at $12.02 ea

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