LOVEJOY L Type Hubs With Keyway, Inch Bores
L type hubs are used with L type spiders to form L type couplings for accommodating parallel & angular misalignments between two rotating shafts. The keyway-type hubs provide a fail-safe design by ensuring a secure connection with shafts.
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A| Style | Model | Hub Material | Max. Speed | Outside Dia. | Keyway Size | Coupling Size | Number Of Jaws | Set Screw Style Coupling Location Size | Hub Type | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | 68514441809 | Cast Iron | 4200 RPM | 5" | 0.625" x 0.312" | - | 3 | 1" | 2 | €178.69 | |
| A | 68514412588 | Cast Iron | 1800 RPM | 6.18" | 1/4" x 1/8" | - | 3 | 1 14/25" | 2 | €397.42 | |
| A | 68514448250 | Cast Iron | 1800 RPM | 6.18" | 0.438" x 0.219" | - | 3 | 1 14/25" | 2 | €397.42 | |
| A | 68514412423 | Cast Iron | 4200 RPM | 5" | 0.188" x 0.094" | - | 3 | 1" | 2 | €187.67 | |
| A | 68514412586 | Cast Iron | 1800 RPM | 6.18" | 1/4" x 1/8" | - | 3 | 1 14/25" | 2 | €397.42 | |
| A | 68514412606 | Cast Iron | 1800 RPM | 6.18" | 0.625" x 0.312" | - | 3 | 1 14/25" | 2 | €397.42 | |
| A | 68514412607 | Cast Iron | 1800 RPM | 6.18" | 3/4" x 3/8" | - | 3 | 1 14/25" | 2 | €397.42 | |
| A | 68514412426 | Cast Iron | 4200 RPM | 5" | 1/4" x 1/8" | - | 3 | 1" | 2 | €187.67 | |
| A | 68514435882 | Cast Iron | 4200 RPM | 5" | 0.188" x 0.094" | - | 3 | 1" | 2 | €187.67 | |
| A | 68514412589 | Cast Iron | 1800 RPM | 6.18" | 0.312" x 0.156" | - | 3 | 1 14/25" | 2 | €397.42 | |
| A | 68514412602 | Cast Iron | 1800 RPM | 6.18" | 0.625" x 0.312" | - | 3 | 1 14/25" | 2 | €397.42 | |
| A | 68514412443 | Cast Iron | 4200 RPM | 5" | 0.625" x 0.312" | - | 3 | 1" | 2 | €187.67 | |
| A | 68514412442 | Cast Iron | 4200 RPM | 5" | 1/2" x 1/4" | - | 3 | 1" | 2 | €187.67 | |
| A | 68514412591 | Cast Iron | 1800 RPM | 6.18" | 0.375" x 0.188" | - | 3 | 1 14/25" | 2 | €397.42 | |
| A | 68514446758 | Cast Iron | 1800 RPM | 6.18" | 0.375" x 0.188" | - | 3 | 1 14/25" | 2 | €397.42 | |
| A | 68514412432 | Cast Iron | 4200 RPM | 5" | 0.375" x 0.188" | - | 3 | 1" | 2 | €187.67 | |
| A | 68514441807 | Cast Iron | 4200 RPM | 5" | 0.625" x 0.312" | - | 3 | 1" | 2 | €187.67 | |
| A | 68514412441 | Cast Iron | 4200 RPM | 5" | - | - | 3 | 1" | 2 | €187.67 | |
| A | 68514426092 | Cast Iron | 4200 RPM | 5" | 1/2" x 1/4" | - | 3 | 1" | 2 | €187.67 | |
| A | 68514412438 | Cast Iron | 4200 RPM | 5" | 1/2" x 1/4" | - | 3 | 1" | 2 | €187.67 | |
| A | 68514426091 | Cast Iron | 4200 RPM | 5" | 1/2" x 1/4" | - | 3 | 1" | 2 | €178.69 | |
| A | 68514412436 | Cast Iron | 4200 RPM | 5" | 0.375" x 0.188" | - | 3 | 1" | 2 | €187.67 | |
| A | 68514412435 | Cast Iron | 4200 RPM | 5" | 0.375" x 0.188" | - | 3 | 1" | 2 | €187.67 | |
| A | 68514412434 | Cast Iron | 4200 RPM | 5" | - | - | 3 | 1" | 2 | €187.67 | |
| A | 68514412433 | Cast Iron | 4200 RPM | 5" | 0.375" x 0.188" | - | 3 | 1" | 2 | €187.67 | |
| A | 68514412431 | Cast Iron | 4200 RPM | 5" | 0.375" x 0.188" | - | 3 | 1" | 2 | €178.69 | |
| A | 68514412430 | Cast Iron | 4200 RPM | 5" | 0.312" x 0.156" | - | 3 | 1" | 2 | €187.67 | |
| A | 68514426090 | Cast Iron | 4200 RPM | 5" | 0.312" x 0.156" | - | 3 | 1" | 2 | €178.69 | |
| A | 68514412429 | Cast Iron | 4200 RPM | 5" | 1/4" x 1/8" | - | 3 | 1" | 2 | €187.67 | |
| A | 68514412427 | Cast Iron | 4200 RPM | 5" | 1/4" x 1/8" | - | 3 | 1" | 2 | €187.67 | |
| A | 68514412593 | Cast Iron | 1800 RPM | 6.18" | 0.375" x 0.188" | - | 3 | 1 14/25" | 2 | €397.42 | |
| A | 68514412598 | Cast Iron | 1800 RPM | 6.18" | 1/2" x 1/4" | - | 3 | 1 14/25" | 2 | €397.42 | |
| A | 68514412425 | Cast Iron | 4200 RPM | 5" | - | - | 3 | 1" | 2 | €187.67 | |
| A | 68514412605 | Cast Iron | 1800 RPM | 6.18" | 0.625" x 0.312" | - | 3 | 1 14/25" | 2 | €397.42 | |
| A | 68514412428 | Cast Iron | 4200 RPM | 5" | 1/4" x 1/8" | - | 3 | 1" | 2 | €187.67 | |
| A | 68514412595 | Cast Iron | 1800 RPM | 6.18" | 1/2" x 1/4" | - | 3 | 1 14/25" | 2 | €397.42 | |
| A | 68514412590 | Cast Iron | 1800 RPM | 6.18" | 0.312" x 0.156" | - | 3 | 1 14/25" | 2 | €397.42 | |
| A | 68514412597 | Cast Iron | 1800 RPM | 6.18" | 1/2" x 1/4" | - | 3 | 1 14/25" | 2 | €397.42 | |
| A | 68514449762 | Cast Iron | 1800 RPM | 6.18" | 1/2" x 1/4" | - | 3 | 1 14/25" | 2 | €378.43 | |
| A | 68514412592 | Cast Iron | 1800 RPM | 6.18" | 0.375" x 0.188" | - | 3 | 1 14/25" | 2 | €396.70 | |
| A | 68514412424 | Cast Iron | 4200 RPM | 5" | - | - | 3 | 1" | 2 | €187.67 | |
| A | 68514412585 | Cast Iron | 1800 RPM | 6.18" | 0.188" x 0.094" | - | 3 | 1 14/25" | 2 | €392.47 | |
| A | 68514437272 | Cast Iron | 4200 RPM | 5" | 0.312" x 0.156" | - | 3 | 1" | 2 | €187.67 | |
| A | 68514437263 | Cast Iron | 4200 RPM | 5" | 0.188" x 0.094" | - | 3 | 1" | 2 | €154.96 | RFQ
|
| A | 68514435754 | Cast Iron | 4200 RPM | 5" | 0.312" x 0.156" | - | 3 | 1" | 2 | €187.67 | |
| A | 68514412599 | Cast Iron | 1800 RPM | 6.18" | - | - | 3 | 1 14/25" | 2 | €397.42 | |
| A | 68514445689 | Cast Iron | 1800 RPM | 6.18" | 0.375" x 0.188" | - | 3 | 1 14/25" | 2 | €378.43 | |
| A | 68514412594 | Cast Iron | 1800 RPM | 6.18" | 0.375" x 0.188" | - | 3 | 1 14/25" | 2 | €397.42 | |
| A | 68514437268 | Cast Iron | 4200 RPM | 5" | 0.375" x 0.188" | - | 3 | 1" | 2 | €187.67 | |
| A | 68514412596 | Cast Iron | 1800 RPM | 6.18" | 1/2" x 1/4" | - | 3 | 1 14/25" | 2 | €397.42 | |
| A | 68514437255 | Cast Iron | 4200 RPM | 5" | 0.188" x 0.094" | - | 3 | 1" | 2 | €187.67 | |
| A | 68514412604 | Cast Iron | 1800 RPM | 6.18" | 0.625" x 0.312" | - | 3 | 1 14/25" | 2 | €395.30 | |
| A | 68514437276 | Cast Iron | 4200 RPM | 5" | 0.438" x 0.219" | - | 3 | 1" | 2 | €187.67 | |
| A | 68514476592 | Cast Iron | 1800 RPM | 6.18" | 3/4" x 3/8" | - | 3 | 1 14/25" | 2 | €397.42 | |
| A | 68514412437 | Cast Iron | 4200 RPM | 5" | - | - | 3 | 1" | 2 | €187.67 | |
| A | 68514412440 | Cast Iron | 4200 RPM | 5" | 1/2" x 1/4" | - | 3 | 1" | 2 | €187.67 | |
| A | 68514435753 | Cast Iron | 4200 RPM | 5" | 1/4" x 1/8" | - | 3 | 1" | 2 | €187.67 | |
| A | 68514454883 | Cast Iron | 1800 RPM | 6.18" | 1/4" x 1/8" | - | 3 | 1 14/25" | 2 | €378.43 | |
| A | 68514460057 | Cast Iron | 1800 RPM | 6.18" | 0.375" x 0.188" | - | 3 | 1 14/25" | 2 | €336.75 | RFQ
|
| A | 68514412587 | Cast Iron | 1800 RPM | 6.18" | 1/4" x 1/8" | - | 3 | 1 14/25" | 2 | €397.42 | |
| A | 68514476518 | Cast Iron | 4200 RPM | 5" | 0.312" x 0.156" | - | 3 | 1" | 2 | €154.96 |
Features
- Specific Applications: Lovejoy L type hubs are ideal for high torque transmission and speed requirements in sprockets. They also offer highly reliable service for internal combustion power transmission and heavy, medium & light duty electrical motor applications.
- Hub Design::
- Fail-safe design: Even after the spider legs are sheared away, the metallic hubs will interlock and continue to transmit torque. This can be a useful feature during short-term cases of emergency.
- They are bored to a clearance fit tolerance with a single keyway and supplied with a set screw for quick installation.
- Coupling Size-Material Relevance:
- Small-to-medium-sized hubs (L035 to L190) are made of powder metal (sintered iron). They can be pressed very close to the finished net shape, minimise downtime & cost of machining, as well as eliminate scrap production.
- Large-sized hubs (above L190) are made of cast iron. They can handle higher loads.
- Aluminium (AL type) and stainless steel (SS type) hubs are non-standard. The former is preferred for its lightweight and rust-inhibiting properties, while the latter is suitable for pharmaceutical and food-grade applications.
Frequently Asked Questions
Why do jaw couplings fail?
Jaw couplings fail because of the following factors - overload, normal wear, excessive misalignment, insufficient lubrication, vibration and harsh environmental conditions.
What materials are Lovejoy keyless L-type hubs made of?
These hubs feature sintered iron / cast iron construction for ensuring high compression strength and porosity resistance.
How do I find out the size of a Lovejoy coupling?
Scan down the keyway or bore column to the 2-inch bore entry. Read across the L190 column for locating the brand's UPC number - 12303. This number is prefixed with the Lovejoy UPC number - 685144.
Where are Lovejoy jaw couplings used?
These couplings are used in pumps, compressors, gearboxes, mixers, blowers and conveyors.
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