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Straight-Side Jaw Couplings
The Jaw couplings from Lovejoy are offered in the industrys largest variety of stock bore/keyway combinations. These couplings require no lubrication and provide highly reliable service for light, medium, and heavy-duty electrical motor and internal combustion power transmission applications.
Features and Benefits
Fail-safe will still perform if elastomer fails
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No metal to metal contact
Resistant to oil, dirt, sand, moisture and grease
More than 850,000 combinations of bore sizes
Most types available from stock in 24-hours
Applications That Best Fit Jaw Couplings
Pumps
Gear Boxes
Compressors
Blowers
Mixers
Conveyors
Styles Available
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L Type
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Standard L Type jaw coupling hub materials are either sintered iron or cast iron.
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LC Type
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This is the basic L Type jaw coupling, except the insert is a snap wrap elastomer with retaining collar.
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AL Type
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The aluminum construction means this jaw coupling is light-weight with low overhung load and low inertia.
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RRS Type
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The center "drop out" section of this jaw coupling provides proper shaft separation while also allowing easy elastomer installation without disturbing the hubs or requiring re-alignment of shafts. Designed for the pump industry, it accommodates America and European industry standard pump/motor shaft separations.
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SW Type
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The coupling is the standard L Type jaw coupling with a snap elastomer with retaining ring. It is well suited for standard shaft-to-shaft connection in a general industrial purpose applications under 1750 RPM.
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SS Type
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These couplings offer the same shaft-to-shaft connection features of the L Type jaw coupling with the added benefit of stainless steel material.
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C & H Types
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The standard C Type jaw coupling hub is made of cast iron, while the H is constructed of ductile iron.
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Curved Jaw Couplings
This product has been the European standard jaw coupling, as well as in many other parts of the world. The three-piece design incorporates a radial curvature to the jaw face, and both radial and axial curvature (crowning) to the elastomer (spider). The Curved Jaw Coupling provides highly reliable service for light, medium, and heavy duty electrical motor and internal combustion engine power transmission applications. Curved Jaw Couplings are distributed worldwide to support OEM's and the users of their equipment.
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Features and Benefits
Improved torsional softness
Angular misalignment capability of up to 1.3°
No lubrication required
No metal-to-metal contact
Fail-safe will still perform if elastomer fails
Easy installation
Three shore hardnesses of urethane open center type elastomers available
Urethane spiders provide high abrasion resistance and elasticity, along with good
damping characteristics
Resistant to oil, dirt, sand, grease, moisture, many solvents, as well as the
atmospheric effects of ozone
Both rough stock bores and finished in/metric bores available
Torque range of 35 in-lbs to 66,375 in-lbs
Applications That Best Curved Jaw Couplings
Pumps
Gear Boxes
Compressors
Blowers
Mixers
Conveyors
Generator Sets
Spider Material Available
Urethane
Different Shore Hardness Available
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Download Curved Jaw Coupling Catalog
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Jaw In-Shear
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JIS 6 Pin Saves Great Amounts Of Time, Maintenance, And Inventory Costs
Lovejoy's commitment to continual product improvement is demonstrated in the next generation of the Jaw In-Shear (JIS) coupling - the new Jaw In-Shear 6 Pin. This new design features a unique 6 pin locking system that allows for even easier locking of the element. Lovejoy's L-Type and C-Type Jaw hubs are utilized with this design. No tools are needed, because the element is radially removable, neither hub (for the driver or driven equipment) has to be moved to replace the element.
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Features and Benefits
2 degree angular misalignment capability
.030" - .094" parallel misalignment capability
Torsional wind-up of 5 degrees at full load
50D shore Urethane material - maximum temperature of 200 F (93C)
The retaining ring is made from #347 cast stainless steel
Stainless steel hubs are available for sizes SS075-SS150 from stock. All other stainless steel hub sizes are available as made to order
Can be used with AL-type aluminum jaw coupling hubs for AL090/95, AL099, 100 and AL110
The Original JIS locking ring is interchangeable with the new JIS 6 Pin elastomer
Applications That Best The Jaw In-Shear Element
Pumps
Gear Boxes
Compressors
Blowers
Plastic Extruding Machinery
Solve many maintenance problems in industries like pulp and paper, mining,
and steel
Spider Material Available
Urethane
Download Jaw In-Shear Catalog
Download Jaw In-Shear Metric Brochure
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