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Carefully Made Shaft Collars

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    Short Rigid Couplings

    Short rigid couplings can be used in applications where space is limited. The short rigid coupling has a reduced torque capability compared to a standard rigid coupling due to its use of a single socket head cap screw per shaft. However, the compact size of the collar reduces inertia making it ideal for motion control applications. Ruland manufactures short rigid couplings in 1215 lead-free steel with a proprietary black oxide finish, 303 stainless steel, and high-strength 2024 aluminum. Bore sizes range from 1/8" to 2" and 6mm to 25mm.

    Features

    • Does not mar the shaft
    • Superior fit, finish and holding power
    • Excellent for high axial loads
    • Transmit torque in confined spaces
    • Step bores available
    • Additional sizes available
    • RoHS3 and REACH Compliant
    • Width tolerance: +.003"/-.010"
    • Temperature Range (Deg. F)
      Steel: -40° to 350°
      Aluminum: -40° to 225°
      Stainless: -40° to 350°
    Line DrawingLine Drawing

    How to Specify

    Part numbers are in the following format with numbers representing sixteenths of an inch or millimeters:

    Part Number Identification

    Products

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    Items 1-24 of 233

    Set Descending Direction
    1. Ruland MWCL-10-A, Double Wide Shaft Collar
      MWCL-10-A
      As low as $23.05 $33.81
      Ruland MWCL-10-A, 10mm Double Wide Shaft Collar, Aluminum, One-Piece Clamp Style, 24mm OD, 19.6mm Width
      Add to Compare
    2. Ruland MWCL-10-F, Double Wide Shaft Collar
      MWCL-10-F
      As low as $20.04 $29.39
      Ruland MWCL-10-F, 10mm Double Wide Shaft Collar, Black Oxide Steel, One-Piece Clamp Style, 24mm OD, 19.6mm Width
      Add to Compare
    3. Ruland MWCL-10-SS, Double Wide Shaft Collar
      MWCL-10-SS
      As low as $37.98 $55.71
      Ruland MWCL-10-SS, 10mm Double Wide Shaft Collar, 303 Stainless Steel, One-Piece Clamp Style, 24mm OD, 19.6mm Width
      Add to Compare
    4. Ruland MWCL-12-A, Double Wide Shaft Collar
      MWCL-12-A
      As low as $25.09 $36.80
      Ruland MWCL-12-A, 12mm Double Wide Shaft Collar, Aluminum, One-Piece Clamp Style, 28mm OD, 23.6mm Width
      Add to Compare
    5. Ruland MWCL-12-F, Double Wide Shaft Collar
      MWCL-12-F
      As low as $21.74 $31.89
      Ruland MWCL-12-F, 12mm Double Wide Shaft Collar, Black Oxide Steel, One-Piece Clamp Style, 28mm OD, 23.6mm Width
      Add to Compare
    6. Ruland MWCL-12-SS, Double Wide Shaft Collar
      MWCL-12-SS
      As low as $42.98 $63.04
      Ruland MWCL-12-SS, 12mm Double Wide Shaft Collar, 303 Stainless Steel, One-Piece Clamp Style, 28mm OD, 23.6mm Width
      Add to Compare
    7. Ruland MWCL-16-F, Double Wide Shaft Collar
      MWCL-16-F
      As low as $24.42 $35.82
      Ruland MWCL-16-F, 16mm Double Wide Shaft Collar, Black Oxide Steel, One-Piece Clamp Style, 34mm OD, 27.6mm Width
      Add to Compare
    8. Ruland MWCL-16-SS, Double Wide Shaft Collar
      MWCL-16-SS
      As low as $55.88 $81.96
      Ruland MWCL-16-SS, 16mm Double Wide Shaft Collar, 303 Stainless Steel, One-Piece Clamp Style, 34mm OD, 27.6mm Width
      Add to Compare
    9. Ruland MWCL-20-F, Double Wide Shaft Collar
      MWCL-20-F
      As low as $30.34 $44.50
      Ruland MWCL-20-F, 20mm Double Wide Shaft Collar, Black Oxide Steel, One-Piece Clamp Style, 40mm OD, 31.6mm Width
      Add to Compare
    10. Ruland MWCL-20-SS, Double Wide Shaft Collar
      MWCL-20-SS
      As low as $67.35 $98.78
      Ruland MWCL-20-SS, 20mm Double Wide Shaft Collar, 303 Stainless Steel, One-Piece Clamp Style, 40mm OD, 31.6mm Width
      Add to Compare
    11. Ruland MWCL-25-F, Double Wide Shaft Collar
      MWCL-25-F
      As low as $32.83 $48.15
      Ruland MWCL-25-F, 25mm Double Wide Shaft Collar, Black Oxide Steel, One-Piece Clamp Style, 45mm OD, 31.6mm Width
      Add to Compare
    12. Ruland MWCL-25-SS, Double Wide Shaft Collar
      MWCL-25-SS
      As low as $77.35 $113.44
      Ruland MWCL-25-SS, 25mm Double Wide Shaft Collar, 303 Stainless Steel, One-Piece Clamp Style, 45mm OD, 31.6mm Width
      Add to Compare
    13. Ruland MWCL-6-A, Double Wide Shaft Collar
      MWCL-6-A
      As low as $16.96 $24.87
      Ruland MWCL-6-A, 6mm Double Wide Shaft Collar, Aluminum, One-Piece Clamp Style, 16mm OD, 19.6mm Width
      Add to Compare
    14. Ruland MWCL-6-F, Double Wide Shaft Collar
      MWCL-6-F
      As low as $15.17 $22.24
      Ruland MWCL-6-F, 6mm Double Wide Shaft Collar, Black Oxide Steel, One-Piece Clamp Style, 16mm OD, 19.6mm Width
      Add to Compare
    15. Ruland MWCL-6-SS, Double Wide Shaft Collar
      MWCL-6-SS
      As low as $27.94 $40.97
      Ruland MWCL-6-SS, 6mm Double Wide Shaft Collar, 303 Stainless Steel, One-Piece Clamp Style, 16mm OD, 19.6mm Width
      Add to Compare
    16. Ruland MWCL-8-A, Double Wide Shaft Collar
      MWCL-8-A
      As low as $20.60 $30.21
      Ruland MWCL-8-A, 8mm Double Wide Shaft Collar, Aluminum, One-Piece Clamp Style, 18mm OD, 19.6mm Width
      Add to Compare
    17. Ruland MWCL-8-F, Double Wide Shaft Collar
      MWCL-8-F
      As low as $17.82 $26.14
      Ruland MWCL-8-F, 8mm Double Wide Shaft Collar, Black Oxide Steel, One-Piece Clamp Style, 18mm OD, 19.6mm Width
      Add to Compare
    18. Ruland MWCL-8-SS, Double Wide Shaft Collar
      MWCL-8-SS
      As low as $32.22 $47.26
      Ruland MWCL-8-SS, 8mm Double Wide Shaft Collar, 303 Stainless Steel, One-Piece Clamp Style, 18mm OD, 19.6mm Width
      Add to Compare
    19. Ruland MWCLK-10-F,Double Wide Shaft Collar
      MWCLK-10-F
      As low as $25.06 $36.75
      Ruland MWCLK-10-F, 10mm Double Wide Shaft Collar, Black Oxide Steel, One-Piece Clamp Style with Keyway, 24mm OD, 19.6mm Width
      Add to Compare
    20. Ruland MWCLK-10-SS,Double Wide Shaft Collar
      MWCLK-10-SS
      As low as $48.23 $70.74
      Ruland MWCLK-10-SS, 10mm Double Wide Shaft Collar, 303 Stainless Steel, One-Piece Clamp Style with Keyway, 24mm OD, 19.6mm Width
      Add to Compare
    21. Ruland MWCLK-12-F,Double Wide Shaft Collar
      MWCLK-12-F
      As low as $27.18 $39.86
      Ruland MWCLK-12-F, 12mm Double Wide Shaft Collar, Black Oxide Steel, One-Piece Clamp Style with Keyway, 28mm OD, 23.6mm Width
      Add to Compare
    22. Ruland MWCLK-12-SS,Double Wide Shaft Collar
      MWCLK-12-SS
      As low as $54.60 $80.08
      Ruland MWCLK-12-SS, 12mm Double Wide Shaft Collar, 303 Stainless Steel, One-Piece Clamp Style with Keyway, 28mm OD, 23.6mm Width
      Add to Compare
    23. Ruland MWCLK-16-F,Double Wide Shaft Collar
      MWCLK-16-F
      As low as $30.34 $44.50
      Ruland MWCLK-16-F, 16mm Double Wide Shaft Collar, Black Oxide Steel, One-Piece Clamp Style with Keyway, 34mm OD, 27.6mm Width
      Add to Compare
    24. Ruland MWCLK-16-SS,Double Wide Shaft Collar
      MWCLK-16-SS
      As low as $70.62 $103.57
      Ruland MWCLK-16-SS, 16mm Double Wide Shaft Collar, 303 Stainless Steel, One-Piece Clamp Style with Keyway, 34mm OD, 27.6mm Width
      Add to Compare
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    Bore Type
    Unit of Measurement
    1. Inch 177 items
    2. Metric 56 items
    Bore (B1)
    1. 0.1250 in 5 items
    2. 0.1875 in 5 items
    3. 0.2500 in 10 items
    4. 0.3125 in 5 items
    5. 0.3750 in 16 items
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    12. 1.2500 in 20 items
    13. 1.5000 in 14 items
    14. 1.7500 in 8 items
    15. 2.0000 in 8 items
    16. 6 mm 5 items
    17. 8 mm 9 items
    18. 10 mm 9 items
    19. 12 mm 9 items
    20. 16 mm 8 items
    21. 20 mm 8 items
    22. 25 mm 8 items
    Small Bore (B2)
    1. 0.1250 in 5 items
    2. 0.1875 in 10 items
    3. 0.2500 in 12 items
    4. 0.3125 in 5 items
    5. 0.3750 in 16 items
    6. 0.5000 in 15 items
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    8. 0.7500 in 14 items
    9. 0.8750 in 14 items
    10. 1.0000 in 20 items
    11. 1.1250 in 14 items
    12. 1.2500 in 14 items
    13. 1.5000 in 8 items
    14. 1.7500 in 8 items
    15. 2.0000 in 8 items
    16. 6 mm 5 items
    17. 8 mm 9 items
    18. 10 mm 9 items
    19. 12 mm 9 items
    20. 16 mm 8 items
    21. 20 mm 8 items
    22. 25 mm 8 items
    Material
    1. 303 Stainless Steel 110 items
    2. Aluminum 13 items
    3. Black Oxide Steel 110 items
    Outer Diameter (OD)
    1. 5/8 in 20 items
    2. 11/16 in 5 items
    3. 7/8 in 16 items
    4. 1 1/8 in 16 items
    5. 1 5/16 in 14 items
    6. 1 1/2 in 14 items
    7. 1 3/4 in 14 items
    8. 1 5/8 in 14 items
    9. 1 7/8 in 14 items
    10. 2 1/16 in 20 items
    11. 2 3/8 in 8 items
    12. 2 5/8 in 6 items
    13. 2 3/4 in 8 items
    14. 3 in 8 items
    15. 16 mm 5 items
    16. 18 mm 9 items
    17. 24 mm 9 items
    18. 28 mm 9 items
    19. 34 mm 8 items
    20. 40 mm 8 items
    21. 45 mm 8 items
    Width (W)
    1. 5/8 in 25 items
    2. 3/4 in 16 items
    3. 7/8 in 16 items
    4. 15/16 in 14 items
    5. 1 1/16 in 76 items
    6. 1 3/16 in 14 items
    7. 1 15/32 in 16 items
    8. 19.6 mm 23 items
    9. 23.6 mm 9 items
    10. 27.6 mm 8 items
    11. 31.6 mm 16 items
    Length (L)
    1. 5/8 in 5 items
    2. 3/4 in 7 items
    3. 7/8 in 7 items
    4. 15/16 in 6 items
    5. 1 1/16 in 36 items
    6. 1 3/16 in 6 items
    7. Varies by Hub Selection 1 item
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