Lovejoy UFH-75R Flange-to-Shaft Uniflex Coupling 5/8 In Bore w Kw
68514413862, UFH Type with Keyway, Regular Version – Inch (Imperial) Bores
Dimensional Data
Bore Size | 5/8 in |
Hub Size | UFH75R |
Set Screw Thread Size (Dimension T) | 1/4-20 |
Keyway Size (W x D) | 3/16 x 3/32 in |
Dimension HD | 1.420 in 36.07 mm |
Overall Length | 2.580 in 65.53 mm |
Pin Location (Dimension SL) | 0.41 in |
Length thru Bore | 0.840 in 21.34 mm |
Min. Bore (Dimensions ID1/ID2) | 0.375 in 9.53 mm |
Max. Bore (Dimensions ID1/ID2) | 0.750 in 19.00 mm |
Dimension BC | 2.000 in 50.80 mm |
Dimension D | 2.880 in 73.15 mm |
Flange Diameter (Dimension FD) | 2.500 in 63.50 mm |
Dimension FL | 0.380 in 9.65 mm |
Mounting Screw Thread Size | 1/4-20 |
Cubic inches | 16.12500 in³ |
Performance Data
Operating Temperature Range | -40 to 250 ºF |
Max. Torque | 175 in·lb |
Max. Speed | 20000.00 rpm |
Max. Recommended End Play | 0.040 in 1.02 mm |
Max. Parallel Offset | 0.028 in 0.71 mm |
Wind-Up Angle at Nominal Torque | 1.82 º |
Wind-Up Angle at Max. Torque | 4.5 º |
Rated HP at 100 rpm | 0.28 hp |
# of Set Screws Required | 1 |
Coupling Design
Coupling Design | Flexible Spring Type Coupling with Exclusive Triple Wound Spring Design
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Lovejoy UFH-75R Flange-to-Shaft Uniflex Coupling 5/8 In Bore w Kw.
This Lovejoy UFH Type Uniflex coupling is an all-steel, single-piece coupling that connects flange mounted equipment to a shaft.
The flexing center of the coupling consists of three opposingly wound square wire springs for forward or reverse operation, providing low backlash/windup.
Its compact, single-piece design allows for placement in tight places, and its all-metal design is durable and requires no lubrication. This coupling is resistant to oil, grease, dirt, and most industrial chemicals and can withstand temperatures ranging from -40 to 450 degrees F.
A keyway prevents the shaft from rotating in the hub. This coupling is suitable for applications such as printing and binding registration, robotics/positioning, conveyors, machine tools, centrifugal pumps, agricultural machinery, blowers, winding machines, and steering mechanisms.
Flexible couplings are used to link two rotating shafts that are not aligned in order to transmit the rotational power, known as torque, from one shaft to the other.
Most flexible couplings consist of two hubs and a middle assembly; each hub attaches to a shaft while the middle assembly flexes between the hubs to accommodate the misalignment of the two shafts.
Shaft misalignments are generally either parallel or angular and cause complications to transmitting rotational power from one shaft to another in the form of stresses, loads, vibrations, and other forces, which vary from one type of misalignment to another.
Flexible couplings are used in a broad range of applications, such as in motor vehicles, conveyors, escalators, agricultural, forestry and mining equipment, aeronautics, robotics and space exploration, among others.
Lovejoy manufactures flexible couplings, universal joints, variable speed drives, and other transmission and mechanical power products.
The Lovejoy company, founded in 1900, is headquartered in Downers Grove, IL.
Lovejoy UFH-75R Flange-to-Shaft Uniflex Coupling 5/8 In Bore w Kw
