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 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 68514455190 D10B UJNT

D10B UJNT 5/8X5/8 KW&SS BE

Material	Steel
Type	Universal Joints - D Type
Weight	1.58 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	D10B
Keyway A & B (W x D)	3/16 x 3/32 in
Set Screw Size	1/4-20
Outside Diameter	1.500 in
Overall Length	4.25 in
Bore Depth (Dimension C)	1.180 in
Max. Bore (Dimensions ID1/ID2)	0.880 in21.00 mm
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 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 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 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 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 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 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

Coil Spring

Lovejoy 68514476424 U137S Uniflex Coupling Inch

Short version
A durable one-piece flexible coupling for general purpose shaft-to-shaft applications
Solves a variety of application concerns including misalignment and space limitations
Has exceptionally low backlash/windup

Couplings

Lovejoy 68514476454 D5B UJNT

Mfr # D5B UJNT 9MM X 12MM KW&SS BE

Material	Steel
Type	Universal Joints - D Type
Weight	0.70 lb
Style	Bored
Color	Metallic
Connection Type A x B	9 x 12 mm

Dimensional Data

Bore A & B	9 & 12 mm
Size	D5B
Keyway A & B (W x D)	3 x 1.4 mm & 4 x 1.8 mm
Set Screw Size	M4 x 4
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
Static Breaking Torque	132.00 N·m
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 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

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

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

D10B UJNT 5/8X5/8 KW&SS BE

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

D12B UJNT 14MM KWSS X14MM W/PH

Material

Steel

Type

Universal Joints - D Type

Weight

0.71 lb

Style

Bored

Color

Metallic

Connection Type A x B

Dimensional Data

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

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

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

Lovejoy 68514476424 U137S Uniflex Coupling Inch

Mfr # D5B UJNT 9MM X 12MM KW&SS BE

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

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