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    Rigid Couplings for Motors

    Ruland rigid couplings have the greatest torque capability and torsional rigidity of any Ruland coupling. This makes them ideal for motor applications with high torque and accuracy requirements. Rigid couplings have no flexible element and can not accommodate any type of shaft misalignment. Ruland precision hones straight bore rigid coupling to remove any residual distortions from the manufacturing process ensuring bores are collinear and will not introduce any misalignment or excess vibration into the system.

    Ruland rigid couplings come with screws treated with proprietary Nypatch® anti-vibration coating. This coating prevents galling and allows for even seating of the screw and repeated screw installations. No additional screw treatment is needed saving a significant amount of time in assembly. Rigid couplings are available in set screw and one- and two-piece clamping styles and manufactured in 1215 lead-free steel with a black oxide finish for the highest holding power, lightweight 2024 aluminum for low inertia, and 303 stainless steel for corrosion resistance. Bore sizes are available from 1/8” to 2” and 3mm to 50mm.

    Products

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    Items 1-24 of 587

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    1. Ruland CLC-10-10-F
      CLC-10-10-F
      As low as $41.99 $61.58
      Ruland CLC-10-10-F, 5/8" x 5/8" Rigid Coupling, Black Oxide Steel, One-Piece Clamp Style with Keyway, 1 5/16" OD, 2" Length
      Add to Compare
    2. Ruland CLC-10-10-SS, One-Piece Rigid Coupling
      CLC-10-10-SS
      As low as $90.07 $132.10
      Ruland CLC-10-10-SS, 5/8" x 5/8" Rigid Coupling, 303 Stainless Steel, One-Piece Clamp Style with Keyway, 1 5/16" OD, 2" Length
      Add to Compare
    3. Ruland CLC-12-12-F, One-Piece Rigid Coupling
      CLC-12-12-F
      As low as $48.61 $71.30
      Ruland CLC-12-12-F, 3/4" x 3/4" Rigid Coupling, Black Oxide Steel, One-Piece Clamp Style with Keyway, 1 1/2" OD, 2 1/4" Length
      Add to Compare
    4. Ruland CLC-12-12-SS, One-Piece Rigid Coupling
      CLC-12-12-SS
      As low as $106.07 $155.58
      Ruland CLC-12-12-SS, 3/4" x 3/4" Rigid Coupling, 303 Stainless Steel, One-Piece Clamp Style with Keyway, 1 1/2" OD, 2 1/4" Length
      Add to Compare
    5. Ruland CLC-14-14-F, One-Piece Rigid Coupling
      CLC-14-14-F
      As low as $55.78 $81.81
      Ruland CLC-14-14-F, 7/8" x 7/8" Rigid Coupling, Black Oxide Steel, One-Piece Clamp Style with Keyway, 1 5/8" OD, 2 1/2" Length
      Add to Compare
    6. Ruland CLC-14-14-SS, One-Piece Rigid Coupling
      CLC-14-14-SS
      As low as $126.75 $185.90
      Ruland CLC-14-14-SS, 7/8" x 7/8" Rigid Coupling, 303 Stainless Steel, One-Piece Clamp Style with Keyway, 1 5/8" OD, 2 1/2" Length
      Add to Compare
    7. Ruland CLC-16-16-F, One-Piece Rigid Coupling
      CLC-16-16-F
      As low as $54.63 $80.12
      Ruland CLC-16-16-F, 1" x 1" Rigid Coupling, Black Oxide Steel, One-Piece Clamp Style with Keyway, 1 3/4" OD, 3" Length
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    8. Ruland CLC-16-16-SS, One-Piece Rigid Coupling
      CLC-16-16-SS
      As low as $139.11 $204.03
      Ruland CLC-16-16-SS, 1" x 1" Rigid Coupling, 303 Stainless Steel, One-Piece Clamp Style with Keyway, 1 3/4" OD, 3" Length
      Add to Compare
    9. Ruland CLC-18-18-F, One-Piece Rigid Coupling
      CLC-18-18-F
      As low as $64.14 $94.07
      Ruland CLC-18-18-F, 1-1/8" x 1-1/8" Rigid Coupling, Black Oxide Steel, One-Piece Clamp Style with Keyway, 1 7/8" OD, 3 1/8" Length
      Add to Compare
    10. Ruland CLC-18-18-SS, One-Piece Rigid Coupling
      CLC-18-18-SS
      As low as $176.33 $258.62
      Ruland CLC-18-18-SS, 1-1/8" x 1-1/8" Rigid Coupling, 303 Stainless Steel, One-Piece Clamp Style with Keyway, 1 7/8" OD, 3 1/8" Length
      Add to Compare
    11. Ruland CLC-19-19-F, One-Piece Rigid Coupling
      CLC-19-19-F
      As low as $81.68 $119.80
      Ruland CLC-19-19-F, 1-3/16" x 1-3/16" Rigid Coupling, Black Oxide Steel, One-Piece Clamp Style with Keyway, 2 1/16" OD, 3 1/4" Length
      Add to Compare
    12. Ruland CLC-19-19-SS, One-Piece Rigid Coupling
      CLC-19-19-SS
      As low as $213.98 $313.84
      Ruland CLC-19-19-SS, 1-3/16" x 1-3/16" Rigid Coupling, 303 Stainless Steel, One-Piece Clamp Style with Keyway, 2 1/16" OD, 3 1/4" Length
      Add to Compare
    13. Ruland CLC-20-20-F, One-Piece Rigid Coupling
      CLC-20-20-F
      As low as $71.61 $105.03
      Ruland CLC-20-20-F, 1-1/4" x 1-1/4" Rigid Coupling, Black Oxide Steel, One-Piece Clamp Style with Keyway, 2 1/16" OD, 3 1/4" Length
      Add to Compare
    14. Ruland CLC-20-20-SS, One-Piece Rigid Coupling
      CLC-20-20-SS
      As low as $205.37 $301.20
      Ruland CLC-20-20-SS, 1-1/4" x 1-1/4" Rigid Coupling, 303 Stainless Steel, One-Piece Clamp Style with Keyway, 2 1/16" OD, 3 1/4" Length
      Add to Compare
    15. Ruland CLC-22-22-F, One-Piece Rigid Coupling
      CLC-22-22-F
      As low as $90.53 $132.77
      Ruland CLC-22-22-F, 1-3/8" x 1-3/8" Rigid Coupling, Black Oxide Steel, One-Piece Clamp Style with Keyway, 2 1/2" OD, 3 5/8" Length
      Add to Compare
    16. Ruland CLC-22-22-SS, One-Piece Rigid Coupling
      CLC-22-22-SS
      As low as $270.88 $397.29
      Ruland CLC-22-22-SS, 1-3/8" x 1-3/8" Rigid Coupling, 303 Stainless Steel, One-Piece Clamp Style with Keyway, 2 1/2" OD, 3 5/8" Length
      Add to Compare
    17. Ruland CLC-23-23-F, One-Piece Rigid Coupling
      CLC-23-23-F
      As low as $111.78 $163.95
      Ruland CLC-23-23-F, 1-7/16" x 1-7/16" Rigid Coupling, Black Oxide Steel, One-Piece Clamp Style with Keyway, 2 5/8" OD, 3 7/8" Length
      Add to Compare
    18. Ruland CLC-23-23-SS, One-Piece Rigid Coupling
      CLC-23-23-SS
      As low as $287.23 $421.26
      Ruland CLC-23-23-SS, 1-7/16" x 1-7/16" Rigid Coupling, 303 Stainless Steel, One-Piece Clamp Style with Keyway, 2 5/8" OD, 3 7/8" Length
      Add to Compare
    19. Ruland CLC-24-24-F, One-Piece Rigid Coupling
      CLC-24-24-F
      As low as $99.50 $145.93
      Ruland CLC-24-24-F, 1-1/2" x 1-1/2" Rigid Coupling, Black Oxide Steel, One-Piece Clamp Style with Keyway, 2 5/8" OD, 3 7/8" Length
      Add to Compare
    20. Ruland CLC-24-24-SS, One-Piece Rigid Coupling
      CLC-24-24-SS
      As low as $285.90 $419.32
      Ruland CLC-24-24-SS, 1-1/2" x 1-1/2" Rigid Coupling, 303 Stainless Steel, One-Piece Clamp Style with Keyway, 2 5/8" OD, 3 7/8" Length
      Add to Compare
    21. Ruland CLC-28-28-F, One-Piece Rigid Coupling
      CLC-28-28-F
      As low as $267.34 $392.10
      Ruland CLC-28-28-F, 1-3/4" x 1-3/4" Rigid Coupling, Black Oxide Steel, One-Piece Clamp Style with Keyway, 3 1/8" OD, 4 1/2" Length
      Add to Compare
    22. Ruland CLC-28-28-SS, One-Piece Rigid Coupling
      CLC-28-28-SS
      As low as $680.54 $998.13
      Ruland CLC-28-28-SS, 1-3/4" x 1-3/4" Rigid Coupling, 303 Stainless Steel, One-Piece Clamp Style with Keyway, 3 1/8" OD, 4 1/2" Length
      Add to Compare
    23. CLC-31-31-F
      CLC-31-31-F
      As low as $366.86 $538.07
      Ruland CLC-31-31-F, 1-15/16" x 1-15/16" Rigid Coupling, Black Oxide Steel, One-Piece Clamp Style with Keyway, 3 3/8" OD, 4 7/8" Length
      Add to Compare
    24. Ruland CLC-31-31-SS, One-Piece Rigid Coupling
      CLC-31-31-SS
      As low as $886.68 $1,300.46
      Ruland CLC-31-31-SS, 1-15/16" x 1-15/16" Rigid Coupling, 303 Stainless Steel, One-Piece Clamp Style with Keyway, 3 3/8" OD, 4 7/8" Length
      Add to Compare
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    Product Category
    1. Rigid Coupling 520 items
    2. Shaft Collar 67 items
    Bore Type
    Style
    1. Clamp 491 items
    2. Set Screw 96 items
    Unit of Measurement
    1. Inch 380 items
    2. Metric 207 items
    Bore (B1)
    1. 0.1250 in 5 items
    2. 0.1875 in 5 items
    3. 0.2500 in 17 items
    4. 0.3125 in 3 items
    5. 0.3750 in 27 items
    6. 0.5000 in 27 items
    7. 0.6250 in 26 items
    8. 0.7500 in 30 items
    9. 0.8750 in 30 items
    10. 1.0000 in 42 items
    11. 1.1250 in 24 items
    12. 1.1875 in 14 items
    13. 1.2500 in 36 items
    14. 1.3750 in 18 items
    15. 1.4375 in 14 items
    16. 1.5000 in 30 items
    17. 1.7500 in 12 items
    18. 1.9375 in 8 items
    19. 2.0000 in 12 items
    20. 3 mm 5 items
    21. 4 mm 5 items
    22. 5 mm 7 items
    23. 6 mm 7 items
    24. 8 mm 15 items
    25. 10 mm 17 items
    26. 12 mm 21 items
    27. 14 mm 14 items
    28. 15 mm 16 items
    29. 16 mm 18 items
    30. 20 mm 18 items
    31. 25 mm 14 items
    32. 30 mm 14 items
    33. 35 mm 12 items
    34. 40 mm 12 items
    35. 50 mm 12 items
    Small Bore (B2)
    1. 0.1250 in 5 items
    2. 0.1875 in 15 items
    3. 0.2500 in 21 items
    4. 0.3125 in 3 items
    5. 0.3750 in 27 items
    6. 0.5000 in 38 items
    7. 0.6250 in 37 items
    8. 0.7500 in 30 items
    9. 0.8750 in 24 items
    10. 1.0000 in 60 items
    11. 1.1250 in 24 items
    12. 1.1875 in 8 items
    13. 1.2500 in 24 items
    14. 1.3750 in 12 items
    15. 1.4375 in 8 items
    16. 1.5000 in 12 items
    17. 1.7500 in 12 items
    18. 1.9375 in 8 items
    19. 2.0000 in 12 items
    20. 3 mm 5 items
    21. 4 mm 7 items
    22. 5 mm 5 items
    23. 6 mm 11 items
    24. 8 mm 19 items
    25. 10 mm 19 items
    26. 12 mm 17 items
    27. 14 mm 24 items
    28. 15 mm 8 items
    29. 16 mm 16 items
    30. 20 mm 14 items
    31. 25 mm 14 items
    32. 30 mm 12 items
    33. 35 mm 12 items
    34. 40 mm 12 items
    35. 50 mm 12 items
    Keyway
    1. No 314 items
    2. Yes 206 items
    Material
    1. 303 Stainless Steel 283 items
    2. Aluminum 21 items
    3. Black Oxide Steel 283 items
    Outer Diameter (OD)
    1. 1/2 in 5 items
    2. 9/16 in 5 items
    3. 5/8 in 20 items
    4. 7/8 in 27 items
    5. 1 1/8 in 27 items
    6. 1 5/16 in 26 items
    7. 1 1/2 in 30 items
    8. 1 3/4 in 42 items
    9. 1 5/8 in 30 items
    10. 1 7/8 in 24 items
    11. 2 1/16 in 50 items
    12. 2 1/2 in 18 items
    13. 2 5/8 in 44 items
    14. 3 1/8 in 12 items
    15. 3 3/8 in 20 items
    16. 15 mm 17 items
    17. 18 mm 7 items
    18. 24 mm 15 items
    19. 29 mm 38 items
    20. 34 mm 48 items
    21. 42 mm 18 items
    22. 45 mm 14 items
    23. 53 mm 14 items
    24. 67 mm 12 items
    25. 77 mm 12 items
    26. 85 mm 12 items
    Width (W)
    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
    Length (L)
    1. 13/16 in 5 items
    2. 5/8 in 5 items
    3. 3/4 in 7 items
    4. 7/8 in 14 items
    5. 15/16 in 6 items
    6. 1 in 10 items
    7. 1 1/16 in 36 items
    8. 1 3/16 in 6 items
    9. 1 3/8 in 23 items
    10. 1 3/4 in 20 items
    11. 2 in 20 items
    12. 2 1/4 in 24 items
    13. 2 1/2 in 24 items
    14. 3 in 36 items
    15. 3 1/8 in 18 items
    16. 3 1/4 in 38 items
    17. 3 5/8 in 18 items
    18. 3 7/8 in 38 items
    19. 4 1/2 in 12 items
    20. 4 7/8 in 20 items
    21. 22 mm 17 items
    22. 30 mm 7 items
    23. 35 mm 15 items
    24. 45 mm 38 items
    25. 50 mm 48 items
    26. 65 mm 18 items
    27. 75 mm 14 items
    28. 83 mm 14 items
    29. 95 mm 12 items
    30. 108 mm 12 items
    31. 124 mm 12 items
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