Lovejoy UF-125 Dropout

Lovejoy 68514413942 Specifications

Description	UF125 DROP OUT
Hub Style	Drop Out
Coupling Type	Flange-to-Flange
Material	Steel
Color	Gray/Metallic
# of Mounting Screws Required	3
Weight	3.20 lb

SKU: B004S2T8DQ Categories: Couplings, Couplings, Collars & Universal Joiners Tags: coupling, lovejoy

Description

Lovejoy UF-125 Dropout

Lovejoy 68514413942 UF-125 Flange-to-Flange Uniflex Center Dropout , 3.68″ OD, 2.62″ Component Length, 755 in-lbs Max Torque

Dimensional Data

Coupling	UF125
Set Screw Thread Size (Dimension T)	No Setscrew
Length (Dimension S)	2.62 in
Min. Bore (Dimension ID)	0.625 in15.88 mm
Max. Bore (Dimensions ID)	1.625 in41.28 mm
Dimension BC	3.120 in79.25 mm
Dimension D	3.560 in90.42 mm
Dimension FD	3.680 in93.47 mm
Dimension FL	0.500 in12.70 mm
Dimension FL1	0.500 in12.70 mm
Dimension HD	2.750 in69.85 mm
Dimension S	2.620 in66.55 mm
Pin Location (Dimension SL)	0.560 in
Pin Size	5/16 in
Mounting Screw Thread Size	5/16-18
Cubic inches	79.08762 in³

Performance Data

Max. Torque	755.00 in·lb
Max. Speed	6000 rpm
Max. Recommended End Play	0.040 in1.02 mm
Max. Parallel Offset	0.044 in1.12 mm
Max. Angular Offset	4.50 º
Wind-Up Angle at Max. Torque	1.85 º
Rated HP at 100 rpm	1.21 hp

Coupling Design

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

OAL Tolerance + .19 inch.
UF Center Drop out Length Tolerance + .12 inch.
Mounting screws not supplied.
Total backlash is approximately 1/3 of windup at maximum torque – consult Lovejoy Engineering for more information.

Lovejoy UF-125 Dropout

Industrial Couplings

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 company, founded in 1900, is headquartered in Downers Grove, IL.

Additional information

Asin	B004S2T8DQ

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Couplings

Lovejoy 68514415617 NB6B UJNT

NB6B UJNT 1/2X1/2 NKW NSS BE

Type	Universal Joints - NB Type
Material	Steel
Style	Bored
Weight	0.52 lb
Color	Metallic
Bore Type	Finished Bore

Dimensional Data

Bore A & B	1/2 in
Size	NB6B
Set Screw Size	No Setscrew
Keyway A & B (W x D)	No Keyway
Outside Diameter	1.000 in
Overall Length	3.380 in
Bore Depth (Dimension C)	1.000 in
Max. Bore (Dimensions ID1/ID2)	0.750 in19.00 mm
Main Pin Height (Dimension E)	1.680 in
Cubic inches	3.38000 in³

Performance Data

Operating Temperature Range	-30 to 212 ºF
Static Breaking Torque	1150.00 in·lb
Max. Speed	6000 rpm
Static Breaking Torque	1150.00 in-lb
Max. Angle Offset	25.00 º

Notes

Notes

Static Breaking Torque is not recommended operating torque.
Square and hex bore measured across the flats.
Maximum operating angle for transmission of power is 25°.
For greater angular operation, use double universal joint. Join two universal joints back to back and connect with a short shaft. Attach universal joints to shaft by drilling and pinning.
Swing Diameter is the maximum diameter over bearings, clearance must be allowed.

Couplings

Lovejoy 68514445688 D8B UJNT

D8B UJNT 5/8X3/4 KW&SS at 90BE

Material	Steel
Type	Universal Joints - D Type
Weight	0.86 lb
Style	Bored
Color	Metallic
Connection Type A x B	5/8 x 3/4 in

Dimensional Data

Bore A & B	5/8 & 3/4 in
Size	D8B
Keyway A & B (W x D)	3/16 x 3/32 in
Set Screw Size	1/4-20
Outside Diameter	1.250 in
Overall Length	3.75 in
Bore Depth (Dimension C)	1.060 in
Max. Bore (Dimensions ID1/ID2)	0.750 in18.00 mm
Main Pin Height (Dimension E)	1.880 in
Cubic inches	5.85938 in³

Performance Data

Operating Temperature Range	-30 to 212 ºF
Max. Speed	1750.00 rpm
Static Breaking Torque	5220.00 in-lb
Max. Angle Offset	25.00 º

Features

Features

Industry standard
Stainless steel and needle bearing available
13 sizes
Pin & Block design
Boot retaining grooves standard

Couplings

Lovejoy D6B Universal joint 1/2in bore 1/8in pin hole

Material	Steel
Type	Universal Joints - D Type
Weight	0.55 lb
Style	Bored
Color	Metallic
Connection Type A x B	1/2 x 1/2 in

Couplings

Lovejoy NB10B Universal joint 3/4In bore No KW

Type	Universal Joints - NB Type
Material	Steel
Style	Bored
Weight	1.48 lb
Color	Metallic
Bore Type	Finished Bore

Couplings

Lovejoy 68514416431 D7B UJNT

Mfr # D7B UJNT 9/16X9/16 N/KW N/SS

Material	Steel
Type	Universal Joints - D Type
Weight	0.70 lb
Style	Bored
Color	Metallic
Connection Type A x B	9/16 x 9/16 in

Dimensional Data

Bore A & B	9/16 in
Size	D7B
Keyway A & B (W x D)	No Keyway
Set Screw Size	No Setscrew
Outside Diameter	1.120 in
Overall Length	3.50 in
Bore Depth (Dimension C)	1.000 in
Max. Bore (Dimensions ID1/ID2)	0.880 in22.00 mm
Main Pin Height (Dimension E)	1.750 in
Cubic inches	4.39040 in³

Performance Data

Operating Temperature Range	-30 to 212 ºF
Max. Speed	1750.00 rpm
Static Breaking Torque	2880.00 in-lb
Max. Angle Offset	25.00 º

Features

Features

Industry standard
Stainless steel and needle bearing available
13 sizes
Pin & Block design
Boot retaining grooves standard

Couplings

Lovejoy D11B Universal joint 7/8in 3/16in kw

Material	Steel
Type	Universal Joints - D Type
Weight	2.38 lb
Style	Bored
Color	Metallic
Connection Type A x B	7/8 x 7/8 in

Couplings

Lovejoy 68514476206 D10B UJNT

Mfr # D10B UJNT 3/4 HEX X 1" N/KW

Material	Steel
Type	Universal Joints - D Type
Weight	1.50 lb
Style	Bored
Color	Metallic
Connection Type A x B	3/4 in Hex & 1 in Round Bore in

Dimensional Data

Bore A & B	3/4 in Hex & 1 in Round Bore
Size	D10B
Keyway A & B (W x D)	No Keyway
Set Screw Size	No Setscrew
Outside Diameter	1.500 in
Overall Length	4.25 in
Bore Depth (Dimension C)	1.180 in
Main Pin Height (Dimension E)	2.12 in
Cubic inches	9.56250 in³

Performance Data

Operating Temperature Range	-30 to 212 ºF
Max. Speed	1750.00 rpm
Static Breaking Torque	7920.00 in-lb
Max. Angle Offset	25.00 º

Features

Features

Industry standard
Stainless steel and needle bearing available
13 sizes
Pin & Block design
Boot retaining grooves standard

Couplings

Lovejoy 68514476170 D7B UJNT

D7B UJNT 5/8X5/8 NKW 2*SS at 180°

Material	Steel
Type	Universal Joints - D Type
Weight	0.71 lb
Style	Bored
Color	Metallic
Connection Type A x B	5/8 x 5/8 in

Dimensional Data

Bore A & B	5/8 in
Size	D7B
Keyway A & B (W x D)	No Keyway
Set Screw Size	10-24
Outside Diameter	1.120 in
Overall Length	3.50 in
Bore Depth (Dimension C)	1.000 in
Max. Bore (Dimensions ID1/ID2)	0.880 in22.00 mm
Main Pin Height (Dimension E)	1.750 in
Cubic inches	4.39040 in³

Performance Data

Operating Temperature Range	-30 to 212 ºF
Max. Speed	1750.00 rpm
Static Breaking Torque	2880.00 in-lb
Max. Angle Offset	25.00 º

Features

Features

Industry standard
Stainless steel and needle bearing available
13 sizes
Pin & Block design
Boot retaining grooves standard

Couplings

Lovejoy 68514476168 D12B UJNT

D12B UJNT 14MM KWSS X14MM W/PH

Material	Steel
Type	Universal Joints - D Type
Weight	3.50 lb
Style	Bored
Color	Metallic
Connection Type A x B	14 x 14 mm

Dimensional Data

Bore A & B	14.00 mm
Size	D12B
Keyway A & B (W x D)	5 x 2.3 mm & Pin Hole
Set Screw Size	M8 x 12 mm & Pin Hole
Outside Diameter	2.000 in
Overall Length	5.440 in
Bore Depth (Dimension C)	1.500 in
Max. Bore (Dimensions ID1/ID2)	1.5 in38 mm
Main Pin Height (Dimension E)	2.72 in
Cubic inches	21.76 in³

Performance Data

Operating Temperature Range	-30 to 212 ºF
Static Breaking Torque	1762.00 N·m
Max. Speed	1750.00 rpm
Static Breaking Torque	15600.00 in-lb
Max. Angle Offset	25.00 º

Features

Features

Industry standard
Stainless steel and needle bearing available
13 sizes
Pin & Block design
Boot retaining grooves standard

Couplings

Lovejoy 68514476382 D8B UJNT

Mfr # D8B UJNT 5/8HEX X7/8 N/KW W/BT

Material	Steel
Type	Universal Joints - D Type
Weight	0.94 lb
Style	Bored
Color	Metallic
Connection Type A x B	5/8 in Hex & 7/8 in Round Bore in

Dimensional Data

Bore A & B	5/8 in Hex & 7/8 in Round Bore
Size	D8B
Keyway A & B (W x D)	No Keyway
Set Screw Size	No Setscrew
Outside Diameter	1.250 in
Overall Length	3.75 in
Bore Depth (Dimension C)	1.060 in
Main Pin Height (Dimension E)	1.880 in
Cubic inches	5.85938 in³

Performance Data

Operating Temperature Range	-30 to 212 ºF
Max. Speed	1750.00 rpm
Static Breaking Torque	5220.00 in-lb
Max. Angle Offset	25.00 º

Features

Features

Industry standard
Stainless steel and needle bearing available
13 sizes
Pin & Block design
Boot retaining grooves standard

Couplings

Lovejoy 68514476508 D14B UJNT

D14B UJNT 1-1/4X1-13/16 KWSSBE

Description	D14B UJNT 1-1/4X1-13/16 KWSSBE
Material	Steel
Type	Universal Joints - D Type
Weight	13.00 lb
Style	Bored
Color	Metallic
Connection Type A x B	1 1/4 x 1 13/16 in

Couplings

Lovejoy 68514476507 D14B UJNT

Mfr # D14B UJNT 1"X1-13/16 KW&SS BE

Description	D14B UJNT 1"X1-13/16 KW&SS BE
Material	Steel
Type	Universal Joints - D Type
Weight	7.20 lb
Style	Bored
Color	Metallic
Connection Type A x B	1 x 1 13/16 in

Couplings

Lovejoy 68514416259 D3B UJNT

D3B UJNT 5/16X5/16 N/KW N/SS

Features

Industry standard
Stainless steel and needle bearing available
13 sizes
Pin & Block design
Boot retaining grooves standard

Couplings

Lovejoy 68514446036 D6B UJNT

D6B UJNT 5/8X5/8 N/KW BE

Material	Steel
Type	Universal Joints - D Type
Weight	0.46 lb
Style	Bored
Color	Metallic
Connection Type A x B	5/8 x 5/8 in

Dimensional Data

Bore A & B	5/8 in
Size	D6B
Keyway A & B (W x D)	No Keyway
Set Screw Size	No Setscrew
Outside Diameter	1.000 in
Overall Length	3.380 in
Bore Depth (Dimension C)	1.000 in
Max. Bore (Dimensions ID1/ID2)	0.750 in19.00 mm
Main Pin Height (Dimension E)	1.680 in
Cubic inches	3.38000 in³

Performance Data

Operating Temperature Range	-30 to 212 ºF
Max. Speed	1750.00 rpm
Static Breaking Torque	1560.00 in-lb
Max. Angle Offset	25.00 º

Features

Features

Industry standard
Stainless steel and needle bearing available
13 sizes
Pin & Block design
Boot retaining grooves standard

Couplings

Lovejoy L-AL 099-100 Solid Jaw Coupling Elastomer Spider

Lovejoy 68514411494 Specifications

Description	L/AL099/100 SPIDER SOX
Coupling Type	Jaw
Material	SOX (NBR) Rubber
Insert Style	Solid
Color	Black
Type	Elastomeric Insert
Weight	0.06 lb

Couplings

Lovejoy 68514445304 D8B UJNT

D8B UJNT 5/8X5/8 3/16X3/32KBE

Material	Steel
Type	Universal Joints - D Type
Weight	0.90 lb
Style	Bored
Color	Metallic
Connection Type A x B	5/8 x 5/8 in

Dimensional Data

Bore A & B	5/8 in
Size	D8B
Keyway A & B (W x D)	3/16 x 3/32 in
Set Screw Size	1/4-20
Outside Diameter	1.250 in
Overall Length	3.75 in
Bore Depth (Dimension C)	1.060 in
Max. Bore (Dimensions ID1/ID2)	0.750 in18.00 mm
Main Pin Height (Dimension E)	1.880 in
Cubic inches	5.85938 in³

Performance Data

Operating Temperature Range	-30 to 212 ºF
Max. Speed	1750.00 rpm
Static Breaking Torque	5220.00 in-lb
Max. Angle Offset	25.00 º

Features

Features

Industry standard
Stainless steel and needle bearing available
13 sizes
Pin & Block design
Boot retaining grooves standard

Couplings

Lovejoy D13B Universal joint 1in by 1-1/4in 1/4in KW

Material	Steel
Type	Universal Joints - D Type
Weight	7.20 lb
Style	Bored
Color	Metallic
Connection Type A x B	1 x 1 1/4 in

Couplings, Collars & Universal Joiners

Lovejoy D 11 U Joint Boot kit Pk2

Key Features

Item: Universal Joint Boot
Boot Type: Lower
Boot Inside Dia. (In.): 1 3/4 in
Boot Outside Dia. (In.): 2 3/16 in
For Use With: 1L738/1L739/1L746/1A933 D Type Universal Joints
Includes: Two Tie Wraps
Lubrication: Not Included
Function: Ensures Proper Lubrication and Increase Universal Joint Life Up to 5 Times

Couplings

Lovejoy 68514476376 D6B UJNT

Mfr # D6B UJNT 1/2SQX1/2 N/KW 2SS

Material	Steel
Type	Universal Joints - D Type
Weight	0.55 lb
Style	Bored
Color	Metallic
Connection Type A x B	1/2 x 1/2 in

Dimensional Data

Bore A & B	1/2 in Square Bore & 1/2 in Round Bore
Size	D6B
Keyway A & B (W x D)	No Keyway
Set Screw Size	10-24
Outside Diameter	1.000 in
Overall Length	3.380 in
Bore Depth (Dimension C)	1.000 in
Max. Bore (Dimensions ID1/ID2)	0.750 in19.00 mm
Main Pin Height (Dimension E)	1.680 in
Cubic inches	3.38000 in³

Performance Data

Operating Temperature Range	-30 to 212 ºF
Max. Speed	1750.00 rpm
Static Breaking Torque	1560.00 in-lb
Max. Angle Offset	25.00 º

Features

Features

Industry standard
Stainless steel and needle bearing available
13 sizes
Pin & Block design
Boot retaining grooves standard

Couplings

Lovejoy D6B Universal joint 1/2In bore 1/8in KW

Material	Steel
Type	Universal Joints - D Type
Weight	0.52 lb
Style	Bored
Color	Metallic
Connection Type A x B	1/2 x 1/2 in

Couplings

Lovejoy 68514416346 D5B UJNT

Mfr # D5B UJNT 7/16X7/16 N/KW N/SS

Material	Steel
Type	Universal Joints - D Type
Weight	0.36 lb
Style	Bored
Color	Metallic
Connection Type A x B	7/16 x 7/16 in

Dimensional Data

Bore A & B	7/16 in
Size	D5B
Keyway A & B (W x D)	No Keyway
Set Screw Size	No Setscrew
Outside Diameter	0.880 in
Overall Length	3.000 in
Bore Depth (Dimension C)	0.880 in
Max. Bore (Dimensions ID1/ID2)	0.690 in17.00 mm
Main Pin Height (Dimension E)	1.500 in
Cubic inches	2.32320 in³

Performance Data

Operating Temperature Range	-30 to 212 ºF
Max. Speed	1750.00 rpm
Static Breaking Torque	1176.00 in-lb
Max. Angle Offset	25.00 º

Features

Features

Industry standard
Stainless steel and needle bearing available
13 sizes
Pin & Block design
Boot retaining grooves standard

Couplings

Lovejoy 68514465677 D11B UJNT

Mfr # D11B UJNT 1-1/4X1-1/4*3/16PHBE

Material	Steel
Type	Universal Joints - D Type
Weight	1.91 lb
Style	Bored
Color	Metallic
Connection Type A x B	1 1/4 x 1 1/4 in

Dimensional Data

Bore A & B	1-1/4 in
Size	D11B
Keyway A & B (W x D)	3/16 Pin Holes
Set Screw Size	No Setscrew
Outside Diameter	1.75 in
Overall Length	5.00 in
Bore Depth (Dimension C)	1.380 in
Max. Bore (Dimensions ID1/ID2)	1.000 in25.00 mm
Main Pin Height (Dimension E)	2.5 in
Cubic inches	15.3125 in³

Performance Data

Operating Temperature Range	-30 to 212 ºF
Max. Speed	1750.00 rpm
Static Breaking Torque	10680.00 in-lb
Max. Angle Offset	25.00 º

Features

Features

Industry standard
Stainless steel and needle bearing available
13 sizes
Pin & Block design
Boot retaining grooves standard

Couplings

Lovejoy 68514476544 D10B UJNT

Mfr # D10B UJNT 5/8SQ WSSX5/8-11*OAL

Description	D10B UJNT 5/8SQ WSSX5/8-11*OAL
Material	Steel
Type	Universal Joints - D Type
Weight	1.50 lb
Style	Bored
Color	Metallic
Connection Type A x B	5/8 in Square Bore & 5/8-11 in Threaded Bore in

Couplings

Lovejoy 68514444285 D8B UJNT

D8B UJNT 5/8X5/8 KW&SS BE

Material	Steel
Type	Universal Joints - D Type
Weight	0.90 lb
Style	Bored
Color	Metallic
Connection Type A x B	5/8 x 5/8 in

Dimensional Data

Bore A & B	5/8 in
Size	D8B
Keyway A & B (W x D)	3/16 x 3/32 in
Set Screw Size	1/4-20
Outside Diameter	1.250 in
Overall Length	3.75 in
Bore Depth (Dimension C)	1.060 in
Max. Bore (Dimensions ID1/ID2)	0.750 in18.00 mm
Main Pin Height (Dimension E)	1.880 in
Cubic inches	5.85938 in³

Performance Data

Operating Temperature Range	-30 to 212 ºF
Max. Speed	1750.00 rpm
Static Breaking Torque	5220.00 in-lb
Max. Angle Offset	25.00 º

Features

Features

Industry standard
Stainless steel and needle bearing available
13 sizes
Pin & Block design
Boot retaining grooves standard

Lovejoy UF-125 Dropout