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UFH Type - Flange-to-Shaft
    A flange-to-shaft configuration, this couples flange mounted equipment to a shaft with all the benefits of Uniflex versatility. The stock flange plate is the same as used on the UF Type.

    The one-piece UFH Type coupling is similar to the U Type, except that one hub is replaced by a flange plate. Stock flange sizes are shown in the Dimensional Data table below but other sizes can be made to order. As with the other Uniflex styles, this coupling compensates for high degrees of angular and parallel misalignment with very little backlash or windup and is reliable in harsh or severe environments.

    Regular and short versions are available for each size to accommodate different overall length requirements. For increased versatility, the hub can be modified with a tapered, spline, hex or square bore. The standard hub is furnished with either a pre-drilled pin hole or with a keyway and set screw. Specify when ordering.
    Note: The UFH Type coupling does not come with assembly hardware. Assembly hardware must be purchased separately.
Unit of Measure

Specifications

Description 

 N/A UFH100S-CP-1"-1/4X1/8KW

Hub Style

 N/A Short

Type

 N/A Flange-to-Shaft

Material

 N/A Steel

Weight

 N/A 2.30 lb

Color

 N/A Gray/Metallic

Bore Type

 N/A Finished Bore

# of Mounting Screws Required

 N/A 3

Dimensional Data

Bore Size 

 N/A 1 in

Hub Size

 N/A UFH100S

Set Screw Thread Size (Dimension T)

 N/A 1/4-20

Keyway Size (W x D)

 N/A 1/4 x 1/8 in

Dimension HD

 N/A 2.110 in53.59 mm

Overall Length

 N/A 2.880 in73.15 mm

Pin Location (Dimension SL)

 N/A 0.560 in

Length thru Bore

 N/A 1.000 in25.40 mm

Min. Bore (Dimensions ID1/ID2)

 N/A 0.438 in11.13 mm

Max. Bore (Dimensions ID1/ID2)

 N/A 1.000 in25.00 mm

Dimension BC

 N/A 2.680 in68.07 mm

Dimension D

 N/A 3.120 in79.25 mm

Flange Diameter (Dimension FD)

 N/A 3.250 in82.55 mm

Dimension FL

 N/A 0.380 in9.65 mm

Mounting Screw Thread Size

 N/A 5/16-18

Cubic inches

 N/A 30.42000 in³

Performance Data

Operating Temperature Range

 N/A -40 to 250 ºF

Max. Torque

 N/A 565 in·lb

Max. Speed

 N/A 6000 rpm

Max. Recommended End Play

 N/A 0.020 in0.51 mm

Max. Parallel Offset

 N/A 0.030 in0.76 mm

Wind-Up Angle at Nominal Torque

 N/A 1.03 º

Wind-Up Angle at Max. Torque

 N/A 3.00 º

Rated HP at 100 rpm

 N/A 0.90 hp

# of Set Screws Required

 N/A 1

Coupling Design

Coupling Design

 N/A Flexible Spring Type Coupling with Exclusive Triple Wound Spring Design
    The Uniflex Coupling is an all steel, single piece coupling that solves a variety of application concerns including: high misalignment, space limitations, high temperature, and exceptionally low backlash/windup. The unique flexing center of the Uniflex consists of three opposingly wound square wire springs for forward or reverse operation. Two steel hubs are then brazed to the steel spring pack to create a durable one-piece flexible coupling.

Notes

Notes 

 N/A
  • Total backlash is approximately 1/3 of windup at maximum torque – consult Lovejoy Engineering for more information.
  • OAL & Dimension FL Tolerance + .12 inch.
  • Mounting screws not supplied.
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