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    The Lovejoy Oldham coupling is a precision engineered, torsionally stiff, three-piece coupling suitable for a great many applications ranging from incremental control of fluid valves to highly dynamic drives in closed loop servo systems. It accommodates misalignment mechanically through a floating disc that engages tenons machined out of the hubs. As the coupling rotates, the floating disc aligns with each hub alternately to an extent demanded by the alignment error. Because parallel misalignment is accommodated by lateral displacement, the Lovejoy Oldham coupling can handle severe alignment errors within a short space envelope. This is a valuable feature in densely packaged and blind assemblies, or where misalignment can accelerate the erosion of shaft bearings. The Lovejoy Oldham coupling features raised dots on both sides of the floating disc which act as an effective spacer.

    The dots keep the face of the tenon from contacting the bottom of the floating disc and allows the coupling greater angular misalignment capability. A very important effect is that the spacer dots will greatly reduce the bending load on the shafts because of the freedom of the floating disc.
    The MOL Coupling consists of two hubs and one center member.
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Timken Part Number

Description 

Bore Size

Coupling Size

Keyway Size

Length thru Bore

Overall Coupling Length

Nominal Torque

Max Speed

68514458601 N/A MOL16C HUB 3MM N/KW N/A 3.00 mm N/A MOL16C N/A No Keyway N/A 0.492 in12.50 mm N/A 1.142 in29.00 mm N/A 6.20 in·lb N/A 9500.00 rpm
68514458602 N/A MOL16C HUB 4MM N/KW N/A 4.00 mm N/A MOL16C N/A No Keyway N/A 0.492 in12.50 mm N/A 1.142 in29.00 mm N/A 6.20 in·lb N/A 9500.00 rpm
68514458084 N/A MOL16C HUB 5MM N/KW N/A 5.00 mm N/A MOL16C N/A No Keyway N/A 0.492 in12.50 mm N/A 1.142 in29.00 mm N/A 6.20 in·lb N/A 9500.00 rpm
68514458085 N/A MOL16C HUB 6MM N/KW N/A 6.00 mm N/A MOL16C N/A No Keyway N/A 0.492 in12.50 mm N/A 1.142 in29.00 mm N/A 6.20 in·lb N/A 9500.00 rpm
68514458606 N/A MOL20C HUB 3MM N/KW N/A 3.00 mm N/A MOL20C N/A No Keyway N/A 0.551 in14.00 mm N/A 1.299 in33.00 mm N/A 10.60 in·lb N/A 7600.00 rpm
68514458607 N/A MOL20C HUB 4MM N/KW N/A 4.00 mm N/A MOL20C N/A No Keyway N/A 0.551 in14.00 mm N/A 1.299 in33.00 mm N/A 10.60 in·lb N/A 7600.00 rpm
68514458608 N/A MOL20C HUB 5MM N/KW N/A 5.00 mm N/A MOL20C N/A No Keyway N/A 0.551 in14.00 mm N/A 1.299 in33.00 mm N/A 10.60 in·lb N/A 7600.00 rpm
68514458097 N/A MOL20C HUB 6MM N/KW N/A 6.00 mm N/A MOL20C N/A No Keyway N/A 0.551 in14.00 mm N/A 1.299 in33.00 mm N/A 10.60 in·lb N/A 7600.00 rpm
68514458098 N/A MOL20C HUB 8MM N/KW N/A 8.00 mm N/A MOL20C N/A No Keyway N/A 0.551 in14.00 mm N/A 1.299 in33.00 mm N/A 10.60 in·lb N/A 7600.00 rpm
68514458613 N/A MOL25C HUB 5MM N/KW N/A 5.00 mm N/A MOL25C N/A No Keyway N/A 0.650 in16.50 mm N/A 1.535 in39.00 mm N/A 17.70 in·lb N/A 6100.00 rpm
68514458614 N/A MOL25C HUB 6MM N/KW N/A 6.00 mm N/A MOL25C N/A No Keyway N/A 0.650 in16.50 mm N/A 1.535 in39.00 mm N/A 17.70 in·lb N/A 6100.00 rpm
68514458108 N/A MOL25C HUB 8MM N/KW N/A 8.00 mm N/A MOL25C N/A No Keyway N/A 0.650 in16.50 mm N/A 1.535 in39.00 mm N/A 17.70 in·lb N/A 6100.00 rpm
68514458109 N/A MOL25C HUB 10MM N/KW N/A 10.00 mm N/A MOL25C N/A No Keyway N/A 0.650 in16.50 mm N/A 1.535 in39.00 mm N/A 17.70 in·lb N/A 6100.00 rpm
68514458619 N/A MOL32C HUB 8MM N/KW N/A 8.00 mm N/A MOL32C N/A No Keyway N/A 0.748 in19.00 mm N/A 1.772 in45 mm N/A 39.80 in·lb N/A 4800.00 rpm
68514458122 N/A MOL32C HUB 10MM N/KW N/A 10.00 mm N/A MOL32C N/A No Keyway N/A 0.748 in19.00 mm N/A 1.772 in45 mm N/A 39.80 in·lb N/A 4800.00 rpm
68514458123 N/A MOL32C HUB 11MM N/KW N/A 11.00 mm N/A MOL32C N/A No Keyway N/A 0.748 in19.00 mm N/A 1.772 in45 mm N/A 39.80 in·lb N/A 4800.00 rpm
68514458124 N/A MOL32C HUB 12MM N/KW N/A 12.00 mm N/A MOL32C N/A No Keyway N/A 0.748 in19.00 mm N/A 1.772 in45 mm N/A 39.80 in·lb N/A 4800.00 rpm
68514458980 N/A MOL32C HUB 14MM N/KW N/A 14.00 mm N/A MOL32C N/A No Keyway N/A 0.748 in19.00 mm N/A 1.772 in45 mm N/A 39.80 in·lb N/A 4800.00 rpm
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