MOL Series - Oldham Set Screw 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 |
|---|---|---|---|---|---|---|---|---|
| 68514458079 | Description N/A MOL16 HUB 3MM N/KW | Bore Size N/A 3.00 mm | Coupling Size N/A MOL16 | Keyway Size N/A No Keyway | Length thru Bore N/A 0.276 in7.00 mm | Overall Coupling Length N/A 0.709 in18.00 mm | Nominal Torque N/A 6.20 in·lb | Max Speed N/A 2400.00 rpm |
| 68514458080 | Description N/A MOL16 HUB 4MM N/KW | Bore Size N/A 4.00 mm | Coupling Size N/A MOL16 | Keyway Size N/A No Keyway | Length thru Bore N/A 0.276 in7.00 mm | Overall Coupling Length N/A 0.709 in18.00 mm | Nominal Torque N/A 6.20 in·lb | Max Speed N/A 2400.00 rpm |
| 68514458081 | Description N/A MOL16 HUB 5MM N/KW | Bore Size N/A 5.00 mm | Coupling Size N/A MOL16 | Keyway Size N/A No Keyway | Length thru Bore N/A 0.276 in7.00 mm | Overall Coupling Length N/A 0.709 in18.00 mm | Nominal Torque N/A 6.20 in·lb | Max Speed N/A 2400.00 rpm |
| 68514458082 | Description N/A MOL16 HUB 6MM N/KW | Bore Size N/A 6.00 mm | Coupling Size N/A MOL16 | Keyway Size N/A No Keyway | Length thru Bore N/A 0.276 in7.00 mm | Overall Coupling Length N/A 0.709 in18.00 mm | Nominal Torque N/A 6.20 in·lb | Max Speed N/A 2400.00 rpm |
| 68514458604 | Description N/A MOL20 HUB 3MM N/KW | Bore Size N/A 3.00 mm | Coupling Size N/A MOL20 | Keyway Size N/A No Keyway | Length thru Bore N/A 0.354 in9.00 mm | Overall Coupling Length N/A 0.906 in23.00 mm | Nominal Torque N/A 10.60 in·lb | Max Speed N/A 1900.00 rpm |
| 68514458091 | Description N/A MOL20 HUB 4MM N/KW | Bore Size N/A 4.00 mm | Coupling Size N/A MOL20 | Keyway Size N/A No Keyway | Length thru Bore N/A 0.354 in9.00 mm | Overall Coupling Length N/A 0.906 in23.00 mm | Nominal Torque N/A 10.60 in·lb | Max Speed N/A 1900.00 rpm |
| 68514458092 | Description N/A MOL20 HUB 5MM N/KW | Bore Size N/A 5.00 mm | Coupling Size N/A MOL20 | Keyway Size N/A No Keyway | Length thru Bore N/A 0.354 in9.00 mm | Overall Coupling Length N/A 0.906 in23.00 mm | Nominal Torque N/A 10.60 in·lb | Max Speed N/A 1900.00 rpm |
| 68514458093 | Description N/A MOL20 HUB 6MM N/KW | Bore Size N/A 6.00 mm | Coupling Size N/A MOL20 | Keyway Size N/A No Keyway | Length thru Bore N/A 0.354 in9.00 mm | Overall Coupling Length N/A 0.906 in23.00 mm | Nominal Torque N/A 10.60 in·lb | Max Speed N/A 1900.00 rpm |
| 68514458094 | Description N/A MOL20 HUB 8MM N/KW | Bore Size N/A 8.00 mm | Coupling Size N/A MOL20 | Keyway Size N/A No Keyway | Length thru Bore N/A 0.354 in9.00 mm | Overall Coupling Length N/A 0.906 in23.00 mm | Nominal Torque N/A 10.60 in·lb | Max Speed N/A 1900.00 rpm |
| 68514458103 | Description N/A MOL25 HUB 5MM N/KW | Bore Size N/A 5.00 mm | Coupling Size N/A MOL25 | Keyway Size N/A No Keyway | Length thru Bore N/A 0.433 in11.00 mm | Overall Coupling Length N/A 1.102 in28.00 mm | Nominal Torque N/A 17.70 in·lb | Max Speed N/A 1500.00 rpm |
| 68514458104 | Description N/A MOL25 HUB 6MM N/KW | Bore Size N/A 6.00 mm | Coupling Size N/A MOL25 | Keyway Size N/A No Keyway | Length thru Bore N/A 0.433 in11.00 mm | Overall Coupling Length N/A 1.102 in28.00 mm | Nominal Torque N/A 17.70 in·lb | Max Speed N/A 1500.00 rpm |
| 68514458105 | Description N/A MOL25 HUB 8MM N/KW | Bore Size N/A 8.00 mm | Coupling Size N/A MOL25 | Keyway Size N/A No Keyway | Length thru Bore N/A 0.433 in11.00 mm | Overall Coupling Length N/A 1.102 in28.00 mm | Nominal Torque N/A 17.70 in·lb | Max Speed N/A 1500.00 rpm |
| 68514458106 | Description N/A MOL25 HUB 10MM N/KW | Bore Size N/A 10.00 mm | Coupling Size N/A MOL25 | Keyway Size N/A No Keyway | Length thru Bore N/A 0.433 in11.00 mm | Overall Coupling Length N/A 1.102 in28.00 mm | Nominal Torque N/A 17.70 in·lb | Max Speed N/A 1500.00 rpm |
| 68514458114 | Description N/A MOL32 HUB 8MM N/KW | Bore Size N/A 8.00 mm | Coupling Size N/A MOL32 | Keyway Size N/A No Keyway | Length thru Bore N/A 0.512 in13.00 mm | Overall Coupling Length N/A 1.299 in33.00 mm | Nominal Torque N/A 39.80 in·lb | Max Speed N/A 1200.00 rpm |
| 68514458115 | Description N/A MOL32 HUB 10MM N/KW | Bore Size N/A 10.00 mm | Coupling Size N/A MOL32 | Keyway Size N/A No Keyway | Length thru Bore N/A 0.512 in13.00 mm | Overall Coupling Length N/A 1.299 in33.00 mm | Nominal Torque N/A 39.80 in·lb | Max Speed N/A 1200.00 rpm |
| 68514458116 | Description N/A MOL32 HUB 11MM N/KW | Bore Size N/A 11.00 mm | Coupling Size N/A MOL32 | Keyway Size N/A No Keyway | Length thru Bore N/A 0.512 in13.00 mm | Overall Coupling Length N/A 1.299 in33.00 mm | Nominal Torque N/A 39.80 in·lb | Max Speed N/A 1200.00 rpm |
| 68514458117 | Description N/A MOL32 HUB 12MM N/KW | Bore Size N/A 12.00 mm | Coupling Size N/A MOL32 | Keyway Size N/A No Keyway | Length thru Bore N/A 0.512 in13.00 mm | Overall Coupling Length N/A 1.299 in33.00 mm | Nominal Torque N/A 39.80 in·lb | Max Speed N/A 1200.00 rpm |
| 68514458118 | Description N/A MOL32 HUB 14MM N/KW | Bore Size N/A 14.00 mm | Coupling Size N/A MOL32 | Keyway Size N/A No Keyway | Length thru Bore N/A 0.512 in13.00 mm | Overall Coupling Length N/A 1.299 in33.00 mm | Nominal Torque N/A 39.80 in·lb | Max Speed N/A 1200.00 rpm |
