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 68514416289 D4B UJNT

D4B UJNT 3/8X3/8 N/KW N/SS

Material	Steel
Type	Universal Joints - D Type
Weight	0.23 lb
Style	Bored
Color	Metallic
Connection Type A x B	3/8 x 3/8 in

Dimensional Data

Bore A & B	3/8 in
Size	D4B
Keyway A & B (W x D)	No Keyway
Set Screw Size	No Setscrew
Outside Diameter	0.750 in
Overall Length	2.680 in
Bore Depth (Dimension C)	0.880 in
Max. Bore (Dimensions ID1/ID2)	0.620 in15.00 mm
Main Pin Height (Dimension E)	1.34 in
Cubic inches	1.50750 in³

Performance Data

Operating Temperature Range	-30 to 212 ºF
Max. Speed	1750.00 rpm
Static Breaking Torque	768.00 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 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 68514416363 D6B UJNT

Mfr # D6B UJNT 1/2X1/2 N/KW N/SS

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

Dimensional Data

Bore A & B	1/2 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 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 68514416595 D10B UJNT

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

Dimensional Data

Bore A & B	3/4 in
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
Max. Bore (Dimensions ID1/ID2)	1.12 in28.00 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, Collars & Universal Joiners

Lovejoy 68514437276 Size L225 Standard Jaw Coupling Hub, Cast Iron, Inch

Features

Fail-safe – will still perform if elastomer fails
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

Couplings

Lovejoy 68514444261 D6B UJNT

D6B UJNT 3/4X3/4 N/KW N/SS

Material	Steel
Type	Universal Joints - D Type
Weight	0.38 lb
Style	Bored
Color	Metallic
Connection Type A x B	3/4 x 3/4 in

Dimensional Data

Bore A & B	3/4 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 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

Couplings

Lovejoy 68514444286 D7B UJNT

D7B UJNT 5/8X5/8 KW&SS BE

Material	Steel
Type	Universal Joints - D Type
Weight	0.65 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)	3/16 x 3/32 in
Set Screw Size	10-24
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	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 68514444600 D10B UJNT

D10B UJNT 3/4X3/4 KW&SS BE

Material	Steel
Type	Universal Joints - D Type
Weight	1.49 lb
Style	Bored
Color	Metallic
Connection Type A x B	3/4 x 3/4 in

Dimensional Data

Bore A & B	3/4 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 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

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

Features

D4B UJNT 3/8X3/8 N/KW N/SS

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

Mfr # D6B UJNT 1/2X1/2 N/KW N/SS

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

Lovejoy 68514437276 Size L225 Standard Jaw Coupling Hub, Cast Iron, Inch

Features

D7B UJNT 5/8X5/8 KW&SS BE

D10B UJNT 3/4X3/4 KW&SS BE

Lovejoy 68514445304 D8B UJNT

Login