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Lovejoy L type coupling spiders are used when shafts of the driver and driven equipment are required to be kept partitioned by a standard gap. These fail-safe Lovejoy spiders are used with ...Read More
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C| Style | Model | Coupling Size | Material | Color | Nominal Torque | Normal Temperature RANGE | Price (inc. GST) | |
|---|---|---|---|---|---|---|---|---|
| A | 68514410118 | L035 | SOX (NBR) Rubber | Black | 3.5 in.-lbs. | -40° to 212° F | A$ 4.72 | RFQ
|
| A | 68514410119 | L035 | SOX (NBR) Rubber | Black | 3.5 in.-lbs. | -40° to 212° F | A$ 4.76 | |
| A | 68514410199 | L050 | SOX (NBR) Rubber | Black | 26.3 in.-lbs. | -40° to 212° F | A$ 6.64 | RFQ
|
| A | 68514410197 | L050 | SOX (NBR) Rubber | Black | 26.3 in.-lbs. | -40° to 212° F | A$ 6.64 | |
| B | 68514437786 | L050 | Urethane | Blue | 39 in.-lbs. | -30° to 160° F | A$ 38.82 | RFQ
|
| C | 68514425307 | L050 | Hytrel | Tan | 50 in.-lbs. | -60° to 250° F | A$ 34.18 | |
| A | 68514410194 | L050 | SOX (NBR) Rubber | Black | 26.3 in.-lbs. | -40° to 212° F | A$ 6.59 | RFQ
|
| A | 68514410406 | L070 | SOX (NBR) Rubber | Black | 43.2 in.-lbs. | -40° to 212° F | A$ 56.03 | |
| A | 68514410391 | L070 | SOX (NBR) Rubber | Black | 43.2 in.-lbs. | -40° to 212° F | A$ 9.55 | |
| B | 68514410395 | L070 | Urethane | Blue | 65 in.-lbs. | -30° to 160° F | A$ 42.03 | |
| A | 68514410621 | L075, AL075 | SOX (NBR) Rubber | Black | 90 in.-lbs. | -40° to 212° F | A$ 16.01 | |
| A | 68514410622 | L075, AL075 | SOX (NBR) Rubber | Black | 90 in.-lbs. | -40° to 212° F | A$ 39.94 | RFQ
|
| A | 68514411070 | L090, L095, AL090, AL095 | SOX (NBR) Rubber | Black | 144 in.-lbs. to 194 in.-lbs. | -40° to 212° F | A$ 20.56 | |
| A | 68514411494 | L099, L100, AL099, AL100 | SOX (NBR) Rubber | Black | 318 in.-lbs. to 417 in.-lbs. | -40° to 212° F | A$ 44.37 | |
| C | 68514411717 | L110, AL110 | Hytrel | Tan | 2268 in.-lbs. | -60° to 250° F | A$ 170.32 | |
| A | 68514411724 | L110, AL110 | SOX (NBR) Rubber | Black | 792 in.-lbs. | -40° to 212° F | A$ 51.46 | |
| A | 68514412001 | L150 | SOX (NBR) Rubber | Black | 1240 in.-lbs. | -40° to 212° F | A$ 70.07 | |
| C | 68514411993 | L150 | Hytrel | Tan | 3708 in.-lbs. | -60° to 250° F | A$ 200.62 | |
| A | 68514412274 | L190 | SOX (NBR) Rubber | Black | 1728 in.-lbs. | -40° to 212° F | A$ 87.01 | |
| C | 68514412265 | L190 | Hytrel | Tan | 4680 in.-lbs. | -60° to 250° F | A$ 232.98 | |
| A | 68514412409 | L225 | SOX (NBR) Rubber | Black | 2340 in.-lbs. | -40° to 212° F | A$ 100.90 | |
| C | 68514412401 | L225 | Hytrel | Tan | 6228 in.-lbs. | -60° to 250° F | A$ 290.05 |
The purpose of providing some gap or clearance between the key and the bottom of the hub keyway is to ensure that the hub seats properly on its shaft. In the case of a coupling hub, this clearance causes damage to its internal surfaces as it provides an opening through which corrosive gases or water can enter the coupling easily.
A keyed connection ensures a positive stop until failure. On the other hand, if the two mating parts are not assembled correctly or the torque gets exceeded, a keyless connection in hubs could permit slippage between them. Hubs without keyways prevent parallel and angular shaft misalignment.
Lovejoy jaw couplings are composed of three parts, i.e. an elastomer insert known as a spider and two metallic hubs on both sides. These three separate parts are pressed together with the help of a jaw from each hub, both of which are fitted alternately with the lobes of the spider to form a Lovejoy spider coupling.