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Smarter Bearing Selection Is Here

The Timken® Syber® Bearing System Designer Tool now features Smart Selection, enabling users to find the right bearing faster by filtering options based on target life and key dimensions.

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Analyze Bearing Performance in an Application with Timken® Syber® Bearing System Designer

A powerful software tool that combines calculators and configurators to assist you with application design, bearing selection, installation, and troubleshooting. It’s free, easy-to-use, and accessible 24/7.

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  • MDSD Series - Mini Disc Single Disc Clamp Style Couplings - Imperial
  • MDSD Series - Mini Disc Single Disc Clamp Style Couplings - Imperial-2
    The compact design of the MDSD (Mini Disc Single Disc) Series accommodates applications that allow for a minimum amount of space for the coupling.

    The MDSD Series coupling also features a high torsional stiffness over the MD and MDS Series. The MDSD Series also has the lowest inertia of the mini disc designs.
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Bore A (in)

Bore B (in)

Coupling Size

Overall Length (in)

Overall Length (mm)

Keyway Size

Part Number

Description 

Bore A

Bore B

Coupling Size

Overall Length

Keyway Size

Outside Diameter

Nominal Torque

N/A MDSD32C-CP-1/4X1/4 N/A 0.250 in N/A 0.250 in N/A MDSD32C N/A 1.260 in32.00 mm N/A No Keyway N/A 1.260 in32.00 mm N/A 18.00 in·lb
N/A MDSD32C-CP-3/16X1/4 N/A 0.188 in N/A 0.250 in N/A MDSD32C N/A 1.260 in32.00 mm N/A No Keyway N/A 1.260 in32.00 mm N/A 18.00 in·lb
N/A MDSD32C-CP-3/16X3/16 N/A 0.188 in N/A 0.188 in N/A MDSD32C N/A 1.260 in32.00 mm N/A No Keyway N/A 1.260 in32.00 mm N/A 18.00 in·lb
N/A MDSD40C-CP-1/2X1/2 N/A 0.500 in N/A 0.500 in N/A MDSD40C N/A 1.496 in38.00 mm N/A No Keyway N/A 1.575 in40.00 mm N/A 35.00 in·lb
N/A MDSD40C-CP-1/4X1/4 N/A 0.250 in N/A 0.250 in N/A MDSD40C N/A 1.496 in38.00 mm N/A No Keyway N/A 1.575 in40.00 mm N/A 35.00 in·lb
N/A MDSD40C-CP-1/4X3/8 N/A 0.250 in N/A 0.375 in N/A MDSD40C N/A 1.496 in38.00 mm N/A No Keyway N/A 1.575 in40.00 mm N/A 35.00 in·lb
N/A MDSD40C-CP-3/8X1/2 N/A 0.375 in N/A 0.500 in N/A MDSD40C N/A 1.496 in38.00 mm N/A No Keyway N/A 1.575 in40.00 mm N/A 35.00 in·lb
N/A MDSD40C-CP-3/8X3/8 N/A 0.375 in N/A 0.375 in N/A MDSD40C N/A 1.496 in38.00 mm N/A No Keyway N/A 1.575 in40.00 mm N/A 35.00 in·lb
N/A MDSD40C-CP-5/16X5/16 N/A 0.313 in N/A 0.313 in N/A MDSD40C N/A 1.496 in38.00 mm N/A No Keyway N/A 1.575 in40.00 mm N/A 35.00 in·lb
N/A MDSD50C-CP-1/2X1/2 N/A 0.500 in N/A 0.500 in N/A MDSD50C N/A 1.732 in44.00 mm N/A No Keyway N/A 1.969 in50.00 mm N/A 66.00 in·lb
N/A MDSD50C-CP-1/2X3/4 N/A 0.500 in N/A 0.750 in N/A MDSD50C N/A 1.732 in44.00 mm N/A No Keyway N/A 1.969 in50.00 mm N/A 66.00 in·lb
N/A MDSD50C-CP-1/2X5/8 N/A 0.500 in N/A 0.625 in N/A MDSD50C N/A 1.732 in44.00 mm N/A No Keyway N/A 1.969 in50.00 mm N/A 66.00 in·lb
N/A MDSD50C-CP-3/4X3/4 N/A 0.750 in N/A 0.750 in N/A MDSD50C N/A 1.732 in44.00 mm N/A No Keyway N/A 1.969 in50.00 mm N/A 66.00 in·lb
N/A MDSD50C-CP-3/8X1/2 N/A 0.375 in N/A 0.500 in N/A MDSD50C N/A 1.732 in44.00 mm N/A No Keyway N/A 1.969 in50.00 mm N/A 66.00 in·lb
N/A MDSD50C-CP-3/8X3/8 N/A 0.375 in N/A 0.375 in N/A MDSD50C N/A 1.732 in44.00 mm N/A No Keyway N/A 1.969 in50.00 mm N/A 66.00 in·lb
N/A MDSD50C-CP-5/8X3/4 N/A 0.625 in N/A 0.750 in N/A MDSD50C N/A 1.732 in44.00 mm N/A No Keyway N/A 1.969 in50.00 mm N/A 66.00 in·lb
N/A MDSD50C-CP-5/8X5/8 N/A 0.625 in N/A 0.625 in N/A MDSD50C N/A 1.732 in44.00 mm N/A No Keyway N/A 1.969 in50.00 mm N/A 66.00 in·lb
N/A MDSD63C-CP-1"X1" N/A 1.000 in N/A 1.000 in N/A MDSD63C N/A 1.969 in50.00 mm N/A No Keyway N/A 2.480 in63.00 mm N/A 89.00 in·lb
N/A MDSD63C-CP-1/2X1/2 N/A 0.500 in N/A 0.500 in N/A MDSD63C N/A 1.969 in50.00 mm N/A No Keyway N/A 2.480 in63.00 mm N/A 89.00 in·lb
N/A MDSD63C-CP-1/2X5/8 N/A 0.500 in N/A 0.625 in N/A MDSD63C N/A 1.969 in50.00 mm N/A No Keyway N/A 2.480 in63.00 mm N/A 89.00 in·lb
N/A MDSD63C-CP-3/4X1" N/A 0.750 in N/A 1.000 in N/A MDSD63C N/A 1.969 in50.00 mm N/A No Keyway N/A 2.480 in63.00 mm N/A 89.00 in·lb
N/A MDSD63C-CP-3/4X3/4 N/A 0.750 in N/A 0.750 in N/A MDSD63C N/A 1.969 in50.00 mm N/A No Keyway N/A 2.480 in63.00 mm N/A 89.00 in·lb
N/A MDSD63C-CP-5/8X3/4 N/A 0.625 in N/A 0.750 in N/A MDSD63C N/A 1.969 in50.00 mm N/A No Keyway N/A 2.480 in63.00 mm N/A 89.00 in·lb
N/A MDSD63C-CP-5/8X5/8 N/A 0.625 in N/A 0.625 in N/A MDSD63C N/A 1.969 in50.00 mm N/A No Keyway N/A 2.480 in63.00 mm N/A 89.00 in·lb
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