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    One-Piece Rigid Couplings

    One-piece rigid couplings from Ruland do not mar the shaft and have high torsional holding power. They are supplied with proprietary Nypatch® anti-vibration coating, which allows for repeated installations, prevents screws from coming loose during operation, and provides the necessary dissimilar material in stainless steel couplings to reduce galling. Straight bore rigid couplings from Ruland are precision honed to ensure bores are collinear. This is important when the rigid coupling is used in a precision servo system as honing allows for greater surface contact with the shaft and higher torque transmission capabilities. Ruland manufactures one-piece rigid couplings in 1215 lead-free steel with a proprietary black oxide finish, 303 stainless steel, and lightweight 2024 aluminum.

    Features

    • Precision honed bores
    • Does not mar the shaft
    • Nypatch® Anti-vibration hardware
    • Additional Step Bores available
    • RoHS3 and REACH Compliant
    • Maximum speed: 4,000 RPM
    • 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 121-144 of 272

    Set Descending Direction
    1. Ruland MCLC-10-10-SS, One-Piece Rigid Coupling
      MCLC-10-10-SS
      As low as $74.66 $109.51
      Ruland MCLC-10-10-SS, 10mm x 10mm Rigid Coupling, 303 Stainless Steel, One-Piece Clamp Style with Keyway, 29mm OD, 45mm Length
      Add to Compare
    2. Ruland MCLC-12-12-F, One-Piece Rigid Coupling
      MCLC-12-12-F
      As low as $39.46 $57.88
      Ruland MCLC-12-12-F, 12mm x 12mm Rigid Coupling, Black Oxide Steel, One-Piece Clamp Style with Keyway, 29mm OD, 45mm Length
      Add to Compare
    3. Ruland MCLC-12-12-SS, One-Piece Rigid Coupling
      MCLC-12-12-SS
      As low as $74.66 $109.51
      Ruland MCLC-12-12-SS, 12mm x 12mm Rigid Coupling, 303 Stainless Steel, One-Piece Clamp Style with Keyway, 29mm OD, 45mm Length
      Add to Compare
    4. Ruland MCLC-14-14-F, One-Piece Rigid Coupling
      MCLC-14-14-F
      As low as $48.03 $70.44
      Ruland MCLC-14-14-F, 14mm x 14mm Rigid Coupling, Black Oxide Steel, One-Piece Clamp Style with Keyway, 34mm OD, 50mm Length
      Add to Compare
    5. Ruland MCLC-14-14-SS, One-Piece Rigid Coupling
      MCLC-14-14-SS
      As low as $103.04 $151.13
      Ruland MCLC-14-14-SS, 14mm x 14mm Rigid Coupling, 303 Stainless Steel, One-Piece Clamp Style with Keyway, 34mm OD, 50mm Length
      Add to Compare
    6. Ruland MCLC-15-15-F, One-Piece Rigid Coupling
      MCLC-15-15-F
      As low as $48.03 $70.44
      Ruland MCLC-15-15-F, 15mm x 15mm Rigid Coupling, Black Oxide Steel, One-Piece Clamp Style with Keyway, 34mm OD, 50mm Length
      Add to Compare
    7. Ruland MCLC-15-15-SS, One-Piece Rigid Coupling
      MCLC-15-15-SS
      As low as $103.04 $151.13
      Ruland MCLC-15-15-SS, 15mm x 15mm Rigid Coupling, 303 Stainless Steel, One-Piece Clamp Style with Keyway, 34mm OD, 50mm Length
      Add to Compare
    8. Ruland MCLC-16-16-F, One-Piece Rigid Coupling
      MCLC-16-16-F
      As low as $48.03 $70.44
      Ruland MCLC-16-16-F, 16mm x 16mm Rigid Coupling, Black Oxide Steel, One-Piece Clamp Style with Keyway, 34mm OD, 50mm Length
      Add to Compare
    9. Ruland MCLC-16-16-SS, One-Piece Rigid Coupling
      MCLC-16-16-SS
      As low as $103.04 $151.13
      Ruland MCLC-16-16-SS, 16mm x 16mm Rigid Coupling, 303 Stainless Steel, One-Piece Clamp Style with Keyway, 34mm OD, 50mm Length
      Add to Compare
    10. Ruland MCLC-20-20-F, One-Piece Rigid Coupling
      MCLC-20-20-F
      As low as $57.43 $84.24
      Ruland MCLC-20-20-F, 20mm x 20mm Rigid Coupling, Black Oxide Steel, One-Piece Clamp Style with Keyway, 42mm OD, 65mm Length
      Add to Compare
    11. Ruland MCLC-20-20-SS, One-Piece Rigid Coupling
      MCLC-20-20-SS
      As low as $137.10 $201.08
      Ruland MCLC-20-20-SS, 20mm x 20mm Rigid Coupling, 303 Stainless Steel, One-Piece Clamp Style with Keyway, 42mm OD, 65mm Length
      Add to Compare
    12. Ruland MCLC-25-25-F, One-Piece Rigid Coupling
      MCLC-25-25-F
      As low as $61.03 $89.51
      Ruland MCLC-25-25-F, 25mm x 25mm Rigid Coupling, Black Oxide Steel, One-Piece Clamp Style with Keyway, 45mm OD, 75mm Length
      Add to Compare
    13. Ruland MCLC-25-25-SS, One-Piece Rigid Coupling
      MCLC-25-25-SS
      As low as $148.88 $218.35
      Ruland MCLC-25-25-SS, 25mm x 25mm Rigid Coupling, 303 Stainless Steel, One-Piece Clamp Style with Keyway, 45mm OD, 75mm Length
      Add to Compare
    14. Ruland MCLC-30-30-F, One-Piece Rigid Coupling
      MCLC-30-30-F
      As low as $81.93 $120.17
      Ruland MCLC-30-30-F, 30mm x 30mm Rigid Coupling, Black Oxide Steel, One-Piece Clamp Style with Keyway, 53mm OD, 83mm Length
      Add to Compare
    15. Ruland MCLC-30-30-SS, One-Piece Rigid Coupling
      MCLC-30-30-SS
      As low as $220.90 $323.98
      Ruland MCLC-30-30-SS, 30mm x 30mm Rigid Coupling, 303 Stainless Steel, One-Piece Clamp Style with Keyway, 53mm OD, 83mm Length
      Add to Compare
    16. Ruland MCLC-35-35-F, One-Piece Rigid Coupling
      MCLC-35-35-F
      As low as $115.51 $169.42
      Ruland MCLC-35-35-F, 35mm x 35mm Rigid Coupling, Black Oxide Steel, One-Piece Clamp Style with Keyway, 67mm OD, 95mm Length
      Add to Compare
    17. Ruland MCLC-35-35-SS, One-Piece Rigid Coupling
      MCLC-35-35-SS
      As low as $287.81 $422.12
      Ruland MCLC-35-35-SS, 35mm x 35mm Rigid Coupling, 303 Stainless Steel, One-Piece Clamp Style with Keyway, 67mm OD, 95mm Length
      Add to Compare
    18. Ruland MCLC-40-40-F, One-Piece Rigid Coupling
      MCLC-40-40-F
      As low as $289.13 $424.06
      Ruland MCLC-40-40-F, 40mm x 40mm Rigid Coupling, Black Oxide Steel, One-Piece Clamp Style with Keyway, 77mm OD, 108mm Length
      Add to Compare
    19. Ruland MCLC-40-40-SS, One-Piece Rigid Coupling
      MCLC-40-40-SS
      As low as $722.69 $1,059.94
      Ruland MCLC-40-40-SS, 40mm x 40mm Rigid Coupling, 303 Stainless Steel, One-Piece Clamp Style with Keyway, 77mm OD, 108mm Length
      Add to Compare
    20. Ruland MCLC-50-50-F, One-Piece Rigid Coupling
      MCLC-50-50-F
      As low as $347.13 $509.13
      Ruland MCLC-50-50-F, 50mm x 50mm Rigid Coupling, Black Oxide Steel, One-Piece Clamp Style with Keyway, 85mm OD, 124mm Length
      Add to Compare
    21. Ruland MCLC-50-50-SS, One-Piece Rigid Coupling
      MCLC-50-50-SS
      As low as $858.64 $1,259.33
      Ruland MCLC-50-50-SS, 50mm x 50mm Rigid Coupling, 303 Stainless Steel, One-Piece Clamp Style with Keyway, 85mm OD, 124mm Length
      Add to Compare
    22. Ruland MCLC-8-8-F, One-Piece Rigid Coupling
      MCLC-8-8-F
      As low as $35.87 $52.61
      Ruland MCLC-8-8-F, 8mm x 8mm Rigid Coupling, Black Oxide Steel, One-Piece Clamp Style with Keyway, 24mm OD, 35mm Length
      Add to Compare
    23. Ruland MCLC-8-8-SS, One-Piece Rigid Coupling
      MCLC-8-8-SS
      As low as $59.22 $86.85
      Ruland MCLC-8-8-SS, 8mm x 8mm Rigid Coupling, 303 Stainless Steel, One-Piece Clamp Style with Keyway, 24mm OD, 35mm Length
      Add to Compare
    24. Ruland MCLX-1 1/2"-35MM-F, One-Piece Rigid Coupling
      MCLX-1 1/2"-35MM-F
      As low as $130.05 $190.74
      Ruland MCLX-1 1/2"-35MM-F, 1-1/2" x 35mm Rigid Coupling, Black Oxide Steel, One-Piece Clamp Style, 2.638" (67mm) OD, 3.740" (95mm) Length
      Add to Compare
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    Unit of Measurement
    1. Inch 119 items
    2. Inch/Metric 67 items
    3. Metric 86 items
    Bore (B1)
    1. 0.1250 in 3 items
    2. 0.1875 in 3 items
    3. 0.2500 in 12 items
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    29. 16 mm 10 items
    30. 20 mm 14 items
    31. 25 mm 10 items
    32. 30 mm 8 items
    33. 35 mm 4 items
    34. 40 mm 6 items
    35. 50 mm 4 items
    Small Bore (B2)
    1. 0.1250 in 3 items
    2. 0.1875 in 6 items
    3. 0.2500 in 9 items
    4. 0.3125 in 3 items
    5. 0.3750 in 16 items
    6. 0.5000 in 20 items
    7. 0.6250 in 17 items
    8. 0.7500 in 12 items
    9. 0.8750 in 6 items
    10. 1.0000 in 18 items
    11. 1.1250 in 6 items
    12. 1.1875 in 4 items
    13. 1.2500 in 6 items
    14. 1.3750 in 4 items
    15. 1.4375 in 4 items
    16. 1.5000 in 6 items
    17. 1.7500 in 4 items
    18. 1.9375 in 4 items
    19. 2.0000 in 4 items
    20. 3 mm 3 items
    21. 4 mm 5 items
    22. 5 mm 6 items
    23. 6 mm 10 items
    24. 8 mm 15 items
    25. 10 mm 8 items
    26. 12 mm 7 items
    27. 14 mm 12 items
    28. 15 mm 8 items
    29. 16 mm 8 items
    30. 20 mm 8 items
    31. 25 mm 10 items
    32. 30 mm 6 items
    33. 35 mm 6 items
    34. 40 mm 4 items
    35. 50 mm 4 items
    Keyway
    1. No 218 items
    2. Yes 54 items
    Material
    1. 303 Stainless Steel 124 items
    2. Aluminum 23 items
    3. Black Oxide Steel 125 items
    Outer Diameter (OD)
    1. 1/2 in 3 items
    2. 9/16 in 3 items
    3. 5/8 in 9 items
    4. 7/8 in 8 items
    5. 1 1/8 in 8 items
    6. 1 5/16 in 8 items
    7. 1 1/2 in 8 items
    8. 1 3/4 in 12 items
    9. 1 5/8 in 8 items
    10. 1 7/8 in 6 items
    11. 2 1/16 in 14 items
    12. 2 1/2 in 6 items
    13. 2 5/8 in 14 items
    14. 3 1/8 in 4 items
    15. 3 3/8 in 8 items
    16. 0.590 in (15.0 mm) 3 items
    17. 0.709 in (18 mm) 3 items
    18. 0.945 in (24 mm) 6 items
    19. 1.142 in (29 mm) 11 items
    20. 1.339 in (34 mm) 20 items
    21. 1.654 in (42 mm) 8 items
    22. 1.772 in (45 mm) 8 items
    23. 2.087 in (53 mm) 4 items
    24. 2.638 in (67 mm) 2 items
    25. 3.031 in (77 mm) 2 items
    26. 15 mm 11 items
    27. 18 mm 3 items
    28. 24 mm 7 items
    29. 29 mm 17 items
    30. 34 mm 16 items
    31. 42 mm 8 items
    32. 45 mm 6 items
    33. 53 mm 6 items
    34. 67 mm 4 items
    35. 77 mm 4 items
    36. 85 mm 4 items
    Length (L)
    1. 13/16 in 3 items
    2. 7/8 in 3 items
    3. 1 in 6 items
    4. 1 3/8 in 11 items
    5. 1 3/4 in 8 items
    6. 2 in 8 items
    7. 2 1/4 in 8 items
    8. 2 1/2 in 8 items
    9. 3 in 12 items
    10. 3 1/8 in 6 items
    11. 3 1/4 in 14 items
    12. 3 5/8 in 6 items
    13. 3 7/8 in 14 items
    14. 4 1/2 in 4 items
    15. 4 7/8 in 8 items
    16. 0.866 in (22.0 mm) 3 items
    17. 1.181 in (30.0 mm) 3 items
    18. 1.378 in (35.0 mm) 6 items
    19. 1.772 in (45.0 mm) 11 items
    20. 1.969 in (50.0 mm) 20 items
    21. 2.559 in (65.0 mm) 8 items
    22. 2.953 in (75.0 mm) 8 items
    23. 3.268 in (83.0 mm) 4 items
    24. 3.740 in (95.0 mm) 2 items
    25. 4.250 in (108.0 mm) 2 items
    26. 22 mm 11 items
    27. 30 mm 3 items
    28. 35 mm 7 items
    29. 45 mm 17 items
    30. 50 mm 16 items
    31. 65 mm 8 items
    32. 75 mm 6 items
    33. 83 mm 6 items
    34. 95 mm 4 items
    35. 108 mm 4 items
    36. 124 mm 4 items
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