All Product Types > INDUSTRIAL MOTION PRODUCTS > Couplings & Power Transmission Parts Catalog > Motion Control Couplings > Oldham Style Couplings (MOL Series) > MOL Series - Oldham Set Screw Style Coupling Hubs - Inch (Imperial) Bores > Part Number 68514458111  

Part Number 68514458111, MOL Series - Oldham Set Screw Style Coupling Hubs - Inch (Imperial) Bores


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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.





Specifications  · Dimensional Data  · Performance Data  · Features  · Notes

Specifications

Description 

MOL32-HUB-3/8-NKW

Coupling Type

Oldham, Three Piece Design w/ Insert

Coupling Size

MOL32

Material

Aluminum

Style

Set Screw

Color

Silver/Metallic

Weight

0.05 oz

Weight (Complete Coupling w/ Min. Bores)

1.90 oz


Dimensional Data

Bore Size 

3/8 in

Set Screw Size

M6

Keyway Size

No Keyway

Length thru Bore

0.512 in
13.00
mm

Outside Diameter

1.260 in
32.00
mm

Overall Coupling Length

1.299 in
33.00
mm

Min. Bore (Dimensions ID1/ID2)

0.315 in
8.00
mm

Max. Bore (Dimensions ID1/ID2)

0.551 in
14.00
mm

Cubic inches

0.81285 in³


Performance Data

Max. Operating Temperature

176.00 ºF

Nominal Torque

39.80 in·lb

Max Speed

1200.00 rpm

Angular Misalignment

3.00 º

Parallel Misalignment

0.100 in

Torsional Stiffness

8788.00 in·lb/rad

Moment of Inertia

0.025 lb·in²


Features

Features 

  • High torsional stiffness
  • Maximum temperature 176° F (80° C)
  • Aluminum hubs with a Polyacetal insert
  • Available in setscrew or clamping style hubs


Notes

Notes 

  • Nominal torque, torsional stiffness, weight and moment of inertia are based on minimum bore size.


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