MOL Series - Oldham Clamp Style Coupling Hubs - Metric Bores
Oldham Style Couplings (MOL Series)
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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.
Item Number |
Description |
Bore Size |
Coupling Size |
Keyway Size |
Length thru Bore |
Overall Coupling Length |
Nominal Torque |
Max Speed |
|---|---|---|---|---|---|---|---|---|
| 68514458601 | Description N/A MOL16C-HUB-3MM-NKW | Bore Size N/A 3.00 mm | Coupling Size N/A MOL16C | Keyway Size N/A No Keyway | Length thru Bore N/A 0.492 in12.50 mm | Overall Coupling Length N/A 1.142 in29.00 mm | Nominal Torque N/A 6.20 in·lb | Max Speed N/A 9500.00 rpm |
| 68514458602 | Description N/A MOL16C-HUB-4MM-NKW | Bore Size N/A 4.00 mm | Coupling Size N/A MOL16C | Keyway Size N/A No Keyway | Length thru Bore N/A 0.492 in12.50 mm | Overall Coupling Length N/A 1.142 in29.00 mm | Nominal Torque N/A 6.20 in·lb | Max Speed N/A 9500.00 rpm |
| 68514458084 | Description N/A MOL16C-HUB-5MM-NKW | Bore Size N/A 5.00 mm | Coupling Size N/A MOL16C | Keyway Size N/A No Keyway | Length thru Bore N/A 0.492 in12.50 mm | Overall Coupling Length N/A 1.142 in29.00 mm | Nominal Torque N/A 6.20 in·lb | Max Speed N/A 9500.00 rpm |
| 68514458085 | Description N/A MOL16C-HUB-6MM-NKW | Bore Size N/A 6.00 mm | Coupling Size N/A MOL16C | Keyway Size N/A No Keyway | Length thru Bore N/A 0.492 in12.50 mm | Overall Coupling Length N/A 1.142 in29.00 mm | Nominal Torque N/A 6.20 in·lb | Max Speed N/A 9500.00 rpm |
| 68514458606 | Description N/A MOL20C-HUB-3MM-NKW | Bore Size N/A 3.00 mm | Coupling Size N/A MOL20C | Keyway Size N/A No Keyway | Length thru Bore N/A 0.551 in14.00 mm | Overall Coupling Length N/A 1.299 in33.00 mm | Nominal Torque N/A 10.60 in·lb | Max Speed N/A 7600.00 rpm |
| 68514458607 | Description N/A MOL20C-HUB-4MM-NKW | Bore Size N/A 4.00 mm | Coupling Size N/A MOL20C | Keyway Size N/A No Keyway | Length thru Bore N/A 0.551 in14.00 mm | Overall Coupling Length N/A 1.299 in33.00 mm | Nominal Torque N/A 10.60 in·lb | Max Speed N/A 7600.00 rpm |
| 68514458608 | Description N/A MOL20C-HUB-5MM-NKW | Bore Size N/A 5.00 mm | Coupling Size N/A MOL20C | Keyway Size N/A No Keyway | Length thru Bore N/A 0.551 in14.00 mm | Overall Coupling Length N/A 1.299 in33.00 mm | Nominal Torque N/A 10.60 in·lb | Max Speed N/A 7600.00 rpm |
| 68514458097 | Description N/A MOL20C-HUB-6MM-NKW | Bore Size N/A 6.00 mm | Coupling Size N/A MOL20C | Keyway Size N/A No Keyway | Length thru Bore N/A 0.551 in14.00 mm | Overall Coupling Length N/A 1.299 in33.00 mm | Nominal Torque N/A 10.60 in·lb | Max Speed N/A 7600.00 rpm |
| 68514458098 | Description N/A MOL20C-HUB-8MM-NKW | Bore Size N/A 8.00 mm | Coupling Size N/A MOL20C | Keyway Size N/A No Keyway | Length thru Bore N/A 0.551 in14.00 mm | Overall Coupling Length N/A 1.299 in33.00 mm | Nominal Torque N/A 10.60 in·lb | Max Speed N/A 7600.00 rpm |
| 68514458613 | Description N/A MOL25C-HUB-5MM-NKW | Bore Size N/A 5.00 mm | Coupling Size N/A MOL25C | Keyway Size N/A No Keyway | Length thru Bore N/A 0.650 in16.50 mm | Overall Coupling Length N/A 1.535 in39.00 mm | Nominal Torque N/A 17.70 in·lb | Max Speed N/A 6100.00 rpm |
| 68514458614 | Description N/A MOL25C-HUB-6MM-NKW | Bore Size N/A 6.00 mm | Coupling Size N/A MOL25C | Keyway Size N/A No Keyway | Length thru Bore N/A 0.650 in16.50 mm | Overall Coupling Length N/A 1.535 in39.00 mm | Nominal Torque N/A 17.70 in·lb | Max Speed N/A 6100.00 rpm |
| 68514458108 | Description N/A MOL25C-HUB-8MM-NKW | Bore Size N/A 8.00 mm | Coupling Size N/A MOL25C | Keyway Size N/A No Keyway | Length thru Bore N/A 0.650 in16.50 mm | Overall Coupling Length N/A 1.535 in39.00 mm | Nominal Torque N/A 17.70 in·lb | Max Speed N/A 6100.00 rpm |
| 68514458109 | Description N/A MOL25C-HUB-10MM-NKW | Bore Size N/A 10.00 mm | Coupling Size N/A MOL25C | Keyway Size N/A No Keyway | Length thru Bore N/A 0.650 in16.50 mm | Overall Coupling Length N/A 1.535 in39.00 mm | Nominal Torque N/A 17.70 in·lb | Max Speed N/A 6100.00 rpm |
| 68514458619 | Description N/A MOL32C-HUB-8MM-NKW | Bore Size N/A 8.00 mm | Coupling Size N/A MOL32C | Keyway Size N/A No Keyway | Length thru Bore N/A 0.748 in19.00 mm | Overall Coupling Length N/A 1.772 in45 mm | Nominal Torque N/A 39.80 in·lb | Max Speed N/A 4800.00 rpm |
| 68514458122 | Description N/A MOL32C-HUB-10MM-NKW | Bore Size N/A 10.00 mm | Coupling Size N/A MOL32C | Keyway Size N/A No Keyway | Length thru Bore N/A 0.748 in19.00 mm | Overall Coupling Length N/A 1.772 in45 mm | Nominal Torque N/A 39.80 in·lb | Max Speed N/A 4800.00 rpm |
| 68514458123 | Description N/A MOL32C-HUB-11MM-NKW | Bore Size N/A 11.00 mm | Coupling Size N/A MOL32C | Keyway Size N/A No Keyway | Length thru Bore N/A 0.748 in19.00 mm | Overall Coupling Length N/A 1.772 in45 mm | Nominal Torque N/A 39.80 in·lb | Max Speed N/A 4800.00 rpm |
| 68514458124 | Description N/A MOL32C-HUB-12MM-NKW | Bore Size N/A 12.00 mm | Coupling Size N/A MOL32C | Keyway Size N/A No Keyway | Length thru Bore N/A 0.748 in19.00 mm | Overall Coupling Length N/A 1.772 in45 mm | Nominal Torque N/A 39.80 in·lb | Max Speed N/A 4800.00 rpm |
| 68514458980 | Description N/A MOL32C-HUB-14MM-NKW | Bore Size N/A 14.00 mm | Coupling Size N/A MOL32C | Keyway Size N/A No Keyway | Length thru Bore N/A 0.748 in19.00 mm | Overall Coupling Length N/A 1.772 in45 mm | Nominal Torque N/A 39.80 in·lb | Max Speed N/A 4800.00 rpm |
