Quick Disconnect Ball Joints SAE J490 / Type S / Style 1

The quick connect/disconnect ball joint assembly, also known as a quick release ball joint, is ideal for applications requiring rapid assembly and disassembly of the ball joint. With a stainless steel spring, the quick-disconnect feature also results in ease of maintenance. Right and left hand threads are available for use in a multitude of OEM and aftermarket applications, including motorsports, agricultural and lawn and garden equipment and other industrial applications. It’s designed for low force mechanical linkages, including carburetor linkages or fuel injection applications.

QD confirm to SAE J490 type S style 1, QI confirm to SAE J490 type S style 2.

Material

  • Ball socket: low carbon steel
  • Ball stud: low carbon steel
  • Sleeve: low carbon steel
  • Spring: stainless steel 
  • Finishes: zinc plated yellow dichromate treated or zinc plated white and blue passivate (silver/clear) for corrosion resistance
  • Lubrication: bearing cavity filled with high wear lubricant

Custom Ball Joints

  • Stainless steel 303/304/316L is available on request
  • Metric thread is available on request

Temperature Range

  • -30°C ~ +120°C(-22°F ~ +248°F)

PRODUCT FILTERS AND TABLE

Housing material
Carbon steel
Stainless steel
Aluminum
Stud material
Carbon steel
Stainless steel
Aluminum
Gaiter/Grommet
w/o
neoprene gaiter
Thread direction
Right Hand
Left Hand
Housing thread
10-32 UNF
1/4-20 UNC
1/4-28 UNF
5/16-24 UNF
3/8-16 UNC
3/8-24 UNF
7/16-20 UNF
1/2-20 UNF
5/8-18 UNF
M5 x 0.80
M6 x 1.00
M8 x 1.25
M10 x 1.50
M12 x 1.75
M14 x 1.50
M14 x 2.00
M16 x 1.50
M16 x 2.00
Stud thread
8-32 UNC
10-32 UNF
1/4-20 UNC
1/4-28 UNF
5/16-24 UNF
3/8-16 UNC
3/8-24 UNF
7/16-20 UNF
1/2-20 UNF
5/8-18 UNF
M5 x 0.80
M6 x 1.00
M8 x 1.25
M10 x 1.50
M12 x 1.75
M14 x 1.50
M14 x 2.00
M16 x 1.50
M16 x 2.00
Designation

Interchange code

FILTERS
Toggle : Metric Imperial   Sort By :
Designation Thread direction Housing thread Stud thread Center to housing face Housing thread depth Overall housing length Stud length from shoulder Center to stud shoulder Housing shank diameter
d1 d2 a e H l2 l3 d3
inch
inch
inch
inch
inch
inch
inch
QD187 Right Hand 10-32 UNF 10-32 UNF 23.012 11.125 27.788 11.125 11.125 7.925
QDL187 Left Hand 10-32 UNF 10-32 UNF 23.012 11.125 27.788 11.125 11.125 7.925
QD250 Right Hand 1/4-28 UNF 1/4-28 UNF 23.012 13.487 27.788 14.275 11.913 7.925
QDL250 Left Hand 1/4-28 UNF 1/4-28 UNF 23.012 13.487 27.788 14.275 11.913 7.925
QD312 Right Hand 5/16-24 UNF 5/16-24 UNF 28.575 14.3 39.7 17.5 15.088 11.125
QDL312 Left Hand 5/16-24 UNF 5/16-24 UNF 28.575 14.3 39.7 17.5 15.088 11.125
QD375 Right Hand 3/8-24 UNF 3/8-24 UNF 39.7 19.05 49.28 22.225 18.263 14.275
QDL375 Left Hand 3/8-24 UNF 3/8-24 UNF 39.7 19.05 49.28 22.225 18.263 14.275
QD500 Right Hand 1/2-20 UNF 1/2-20 UNF 51.562 25.4 64.262 28.575 24.638 19.05
QDL500 Left Hand 1/2-20 UNF 1/2-20 UNF 51.562 25.4 64.262 28.575 24.638 19.05
AQD187 Right Hand 10-32 UNF 10-32 UNF 23.012 11.125 27.788 11.125 11.125 7.925
AQD250 Right Hand 1/4-28 UNF 1/4-28 UNF 23.012 13.487 27.788 14.275 11.913 7.925
AQD250-3-4 Right Hand 10-32 UNF 1/4-28 UNF 23.012 13.487 27.788 14.275 11.913 7.925
AQD312 Right Hand 5/16-24 UNF 5/16-24 UNF 28.575 14.3 39.7 17.5 15.088 11.125
AQD375 Right Hand 3/8-24 UNF 3/8-24 UNF 39.7 19.05 49.28 22.225 18.263 14.275
AQDM5 Right Hand M5 x 0.80 M5 x 0.80 23.012 11.125 27.788 11.125 11.125 7.925
AQDM6 Right Hand M6 x 1.00 M6 x 1.00 23.012 13.487 27.788 14.275 11.913 7.925
AQDM8 Right Hand M8 x 1.25 M8 x 1.25 28.575 14.3 39.7 17.5 15.088 11.125
Thread direction Right Hand
d1 Housing thread 10-32 UNF
d2 Stud thread 10-32 UNF inch
a Center to housing face 23.012 inch
e Housing thread depth 11.125 inch
H Overall housing length 27.788 inch
l2 Stud length from shoulder 11.125 inch
l3 Center to stud shoulder 11.125 inch
d3 Housing shank diameter 7.925 inch
Thread direction Left Hand
d1 Housing thread 10-32 UNF
d2 Stud thread 10-32 UNF inch
a Center to housing face 23.012 inch
e Housing thread depth 11.125 inch
H Overall housing length 27.788 inch
l2 Stud length from shoulder 11.125 inch
l3 Center to stud shoulder 11.125 inch
d3 Housing shank diameter 7.925 inch
Thread direction Right Hand
d1 Housing thread 1/4-28 UNF
d2 Stud thread 1/4-28 UNF inch
a Center to housing face 23.012 inch
e Housing thread depth 13.487 inch
H Overall housing length 27.788 inch
l2 Stud length from shoulder 14.275 inch
l3 Center to stud shoulder 11.913 inch
d3 Housing shank diameter 7.925 inch
Thread direction Left Hand
d1 Housing thread 1/4-28 UNF
d2 Stud thread 1/4-28 UNF inch
a Center to housing face 23.012 inch
e Housing thread depth 13.487 inch
H Overall housing length 27.788 inch
l2 Stud length from shoulder 14.275 inch
l3 Center to stud shoulder 11.913 inch
d3 Housing shank diameter 7.925 inch
Thread direction Right Hand
d1 Housing thread 5/16-24 UNF
d2 Stud thread 5/16-24 UNF inch
a Center to housing face 28.575 inch
e Housing thread depth 14.3 inch
H Overall housing length 39.7 inch
l2 Stud length from shoulder 17.5 inch
l3 Center to stud shoulder 15.088 inch
d3 Housing shank diameter 11.125 inch
Thread direction Left Hand
d1 Housing thread 5/16-24 UNF
d2 Stud thread 5/16-24 UNF inch
a Center to housing face 28.575 inch
e Housing thread depth 14.3 inch
H Overall housing length 39.7 inch
l2 Stud length from shoulder 17.5 inch
l3 Center to stud shoulder 15.088 inch
d3 Housing shank diameter 11.125 inch
Thread direction Right Hand
d1 Housing thread 3/8-24 UNF
d2 Stud thread 3/8-24 UNF inch
a Center to housing face 39.7 inch
e Housing thread depth 19.05 inch
H Overall housing length 49.28 inch
l2 Stud length from shoulder 22.225 inch
l3 Center to stud shoulder 18.263 inch
d3 Housing shank diameter 14.275 inch
Thread direction Left Hand
d1 Housing thread 3/8-24 UNF
d2 Stud thread 3/8-24 UNF inch
a Center to housing face 39.7 inch
e Housing thread depth 19.05 inch
H Overall housing length 49.28 inch
l2 Stud length from shoulder 22.225 inch
l3 Center to stud shoulder 18.263 inch
d3 Housing shank diameter 14.275 inch
Thread direction Right Hand
d1 Housing thread 1/2-20 UNF
d2 Stud thread 1/2-20 UNF inch
a Center to housing face 51.562 inch
e Housing thread depth 25.4 inch
H Overall housing length 64.262 inch
l2 Stud length from shoulder 28.575 inch
l3 Center to stud shoulder 24.638 inch
d3 Housing shank diameter 19.05 inch
Thread direction Left Hand
d1 Housing thread 1/2-20 UNF
d2 Stud thread 1/2-20 UNF inch
a Center to housing face 51.562 inch
e Housing thread depth 25.4 inch
H Overall housing length 64.262 inch
l2 Stud length from shoulder 28.575 inch
l3 Center to stud shoulder 24.638 inch
d3 Housing shank diameter 19.05 inch
Thread direction Right Hand
d1 Housing thread 10-32 UNF
d2 Stud thread 10-32 UNF inch
a Center to housing face 23.012 inch
e Housing thread depth 11.125 inch
H Overall housing length 27.788 inch
l2 Stud length from shoulder 11.125 inch
l3 Center to stud shoulder 11.125 inch
d3 Housing shank diameter 7.925 inch
Thread direction Right Hand
d1 Housing thread 1/4-28 UNF
d2 Stud thread 1/4-28 UNF inch
a Center to housing face 23.012 inch
e Housing thread depth 13.487 inch
H Overall housing length 27.788 inch
l2 Stud length from shoulder 14.275 inch
l3 Center to stud shoulder 11.913 inch
d3 Housing shank diameter 7.925 inch
Thread direction Right Hand
d1 Housing thread 10-32 UNF
d2 Stud thread 1/4-28 UNF inch
a Center to housing face 23.012 inch
e Housing thread depth 13.487 inch
H Overall housing length 27.788 inch
l2 Stud length from shoulder 14.275 inch
l3 Center to stud shoulder 11.913 inch
d3 Housing shank diameter 7.925 inch
Thread direction Right Hand
d1 Housing thread 5/16-24 UNF
d2 Stud thread 5/16-24 UNF inch
a Center to housing face 28.575 inch
e Housing thread depth 14.3 inch
H Overall housing length 39.7 inch
l2 Stud length from shoulder 17.5 inch
l3 Center to stud shoulder 15.088 inch
d3 Housing shank diameter 11.125 inch
Thread direction Right Hand
d1 Housing thread 3/8-24 UNF
d2 Stud thread 3/8-24 UNF inch
a Center to housing face 39.7 inch
e Housing thread depth 19.05 inch
H Overall housing length 49.28 inch
l2 Stud length from shoulder 22.225 inch
l3 Center to stud shoulder 18.263 inch
d3 Housing shank diameter 14.275 inch
Thread direction Right Hand
d1 Housing thread M5 x 0.80
d2 Stud thread M5 x 0.80 inch
a Center to housing face 23.012 inch
e Housing thread depth 11.125 inch
H Overall housing length 27.788 inch
l2 Stud length from shoulder 11.125 inch
l3 Center to stud shoulder 11.125 inch
d3 Housing shank diameter 7.925 inch
Thread direction Right Hand
d1 Housing thread M6 x 1.00
d2 Stud thread M6 x 1.00 inch
a Center to housing face 23.012 inch
e Housing thread depth 13.487 inch
H Overall housing length 27.788 inch
l2 Stud length from shoulder 14.275 inch
l3 Center to stud shoulder 11.913 inch
d3 Housing shank diameter 7.925 inch
Thread direction Right Hand
d1 Housing thread M8 x 1.25
d2 Stud thread M8 x 1.25 inch
a Center to housing face 28.575 inch
e Housing thread depth 14.3 inch
H Overall housing length 39.7 inch
l2 Stud length from shoulder 17.5 inch
l3 Center to stud shoulder 15.088 inch
d3 Housing shank diameter 11.125 inch
Thread direction
Right Hand
Housing thread
d1
10-32 UNF
Stud thread
d2
10-32 UNF inch
Center to housing face
a
23.012 inch
Housing thread depth
e
11.125 inch
Overall housing length
H
27.788 inch
Stud length from shoulder
l2
11.125 inch
Center to stud shoulder
l3
11.125 inch
Housing shank diameter
d3
7.925 inch
Thread direction
Left Hand
Housing thread
d1
10-32 UNF
Stud thread
d2
10-32 UNF inch
Center to housing face
a
23.012 inch
Housing thread depth
e
11.125 inch
Overall housing length
H
27.788 inch
Stud length from shoulder
l2
11.125 inch
Center to stud shoulder
l3
11.125 inch
Housing shank diameter
d3
7.925 inch
Thread direction
Right Hand
Housing thread
d1
1/4-28 UNF
Stud thread
d2
1/4-28 UNF inch
Center to housing face
a
23.012 inch
Housing thread depth
e
13.487 inch
Overall housing length
H
27.788 inch
Stud length from shoulder
l2
14.275 inch
Center to stud shoulder
l3
11.913 inch
Housing shank diameter
d3
7.925 inch
Thread direction
Left Hand
Housing thread
d1
1/4-28 UNF
Stud thread
d2
1/4-28 UNF inch
Center to housing face
a
23.012 inch
Housing thread depth
e
13.487 inch
Overall housing length
H
27.788 inch
Stud length from shoulder
l2
14.275 inch
Center to stud shoulder
l3
11.913 inch
Housing shank diameter
d3
7.925 inch
Thread direction
Right Hand
Housing thread
d1
5/16-24 UNF
Stud thread
d2
5/16-24 UNF inch
Center to housing face
a
28.575 inch
Housing thread depth
e
14.3 inch
Overall housing length
H
39.7 inch
Stud length from shoulder
l2
17.5 inch
Center to stud shoulder
l3
15.088 inch
Housing shank diameter
d3
11.125 inch
Thread direction
Left Hand
Housing thread
d1
5/16-24 UNF
Stud thread
d2
5/16-24 UNF inch
Center to housing face
a
28.575 inch
Housing thread depth
e
14.3 inch
Overall housing length
H
39.7 inch
Stud length from shoulder
l2
17.5 inch
Center to stud shoulder
l3
15.088 inch
Housing shank diameter
d3
11.125 inch
Thread direction
Right Hand
Housing thread
d1
3/8-24 UNF
Stud thread
d2
3/8-24 UNF inch
Center to housing face
a
39.7 inch
Housing thread depth
e
19.05 inch
Overall housing length
H
49.28 inch
Stud length from shoulder
l2
22.225 inch
Center to stud shoulder
l3
18.263 inch
Housing shank diameter
d3
14.275 inch
Thread direction
Left Hand
Housing thread
d1
3/8-24 UNF
Stud thread
d2
3/8-24 UNF inch
Center to housing face
a
39.7 inch
Housing thread depth
e
19.05 inch
Overall housing length
H
49.28 inch
Stud length from shoulder
l2
22.225 inch
Center to stud shoulder
l3
18.263 inch
Housing shank diameter
d3
14.275 inch
Thread direction
Right Hand
Housing thread
d1
1/2-20 UNF
Stud thread
d2
1/2-20 UNF inch
Center to housing face
a
51.562 inch
Housing thread depth
e
25.4 inch
Overall housing length
H
64.262 inch
Stud length from shoulder
l2
28.575 inch
Center to stud shoulder
l3
24.638 inch
Housing shank diameter
d3
19.05 inch
Thread direction
Left Hand
Housing thread
d1
1/2-20 UNF
Stud thread
d2
1/2-20 UNF inch
Center to housing face
a
51.562 inch
Housing thread depth
e
25.4 inch
Overall housing length
H
64.262 inch
Stud length from shoulder
l2
28.575 inch
Center to stud shoulder
l3
24.638 inch
Housing shank diameter
d3
19.05 inch
Thread direction
Right Hand
Housing thread
d1
10-32 UNF
Stud thread
d2
10-32 UNF inch
Center to housing face
a
23.012 inch
Housing thread depth
e
11.125 inch
Overall housing length
H
27.788 inch
Stud length from shoulder
l2
11.125 inch
Center to stud shoulder
l3
11.125 inch
Housing shank diameter
d3
7.925 inch
Thread direction
Right Hand
Housing thread
d1
1/4-28 UNF
Stud thread
d2
1/4-28 UNF inch
Center to housing face
a
23.012 inch
Housing thread depth
e
13.487 inch
Overall housing length
H
27.788 inch
Stud length from shoulder
l2
14.275 inch
Center to stud shoulder
l3
11.913 inch
Housing shank diameter
d3
7.925 inch
Thread direction
Right Hand
Housing thread
d1
10-32 UNF
Stud thread
d2
1/4-28 UNF inch
Center to housing face
a
23.012 inch
Housing thread depth
e
13.487 inch
Overall housing length
H
27.788 inch
Stud length from shoulder
l2
14.275 inch
Center to stud shoulder
l3
11.913 inch
Housing shank diameter
d3
7.925 inch
Thread direction
Right Hand
Housing thread
d1
5/16-24 UNF
Stud thread
d2
5/16-24 UNF inch
Center to housing face
a
28.575 inch
Housing thread depth
e
14.3 inch
Overall housing length
H
39.7 inch
Stud length from shoulder
l2
17.5 inch
Center to stud shoulder
l3
15.088 inch
Housing shank diameter
d3
11.125 inch
Thread direction
Right Hand
Housing thread
d1
3/8-24 UNF
Stud thread
d2
3/8-24 UNF inch
Center to housing face
a
39.7 inch
Housing thread depth
e
19.05 inch
Overall housing length
H
49.28 inch
Stud length from shoulder
l2
22.225 inch
Center to stud shoulder
l3
18.263 inch
Housing shank diameter
d3
14.275 inch
Thread direction
Right Hand
Housing thread
d1
M5 x 0.80
Stud thread
d2
M5 x 0.80 inch
Center to housing face
a
23.012 inch
Housing thread depth
e
11.125 inch
Overall housing length
H
27.788 inch
Stud length from shoulder
l2
11.125 inch
Center to stud shoulder
l3
11.125 inch
Housing shank diameter
d3
7.925 inch
Thread direction
Right Hand
Housing thread
d1
M6 x 1.00
Stud thread
d2
M6 x 1.00 inch
Center to housing face
a
23.012 inch
Housing thread depth
e
13.487 inch
Overall housing length
H
27.788 inch
Stud length from shoulder
l2
14.275 inch
Center to stud shoulder
l3
11.913 inch
Housing shank diameter
d3
7.925 inch
Thread direction
Right Hand
Housing thread
d1
M8 x 1.25
Stud thread
d2
M8 x 1.25 inch
Center to housing face
a
28.575 inch
Housing thread depth
e
14.3 inch
Overall housing length
H
39.7 inch
Stud length from shoulder
l2
17.5 inch
Center to stud shoulder
l3
15.088 inch
Housing shank diameter
d3
11.125 inch
Designations and Options 
  • Left hand threads (add suffix  “L” before the size, ie QDL187).
  • Stainless steel (add suffix  “S”, ie SQD187).
  • Aluminum (add suffix  “A” , ie AQD187).
  • Custom ball joint: according to customer drawings 
Thread Class

Unified Standard Class 2A external threads and Class 2B internal threads shall apply to plain finish (unplated) parts. For externally components with additive finish, the maximum diameters of Class 2A may be exceeded by the amount of the allowance.; that is, the basic diameters (Class 2A maximum diameters plus the allowance) apply to an externally threaded part after plating. For internally threaded components with additive finish, the Class 2B diameters apply after plating. See ANSI B 1.1. 

External threads shall be chamfered to a diameter 0.01 in (0.3mm) less than the minor diameter to produce a length of chamfered or partial thread to 3/4 to 1-1/4 times to the pitch (rounded to a three-place decimal). 

Internal threads shall be countersunk 90 degree included angle to a diameter 0.01 in (0.3mm) greater more than the major diameter of the thread (rounded to a two-place decima).

Finishes

Unless otherwise specified, carbon steel ball joints shall be furnished with cadmium or zinc protective finish and shall meet the requirements of 32 h salt spray test in  accordance with ASTM B 117, Method of Slat Spray (Fog) Testing.  At manufacture’s option, a subsequent chromated treatment may be used. Plated, hardened carbon steel components of ball joints (subject to hydrogen embrittlement) shall be baked or otherwise processed to obviate such embrittlement. 

Lubrication

Unless otherwise specified by user, ball joints shall be supplied with ball sockets suitably lubricated in accordance with manufacture’s practice. 

Workmanship

Ball joints must be free burrs, loose scale, sharp edges, and any other defect which might affect their serviceability.

Application of quick disconnect ball joint

What industries are using SAE J490 type S style 1 ball joints?

  • Agriculture
  • Marine
  • Trucking
  • Lawn/Garden
  • Construction
  • Industrial Work

Where are SAE J490 type S style 1 ball joints used?

  • Throttles
  • Latches
  • Hitches
  • Chokes
  • Shifters
  • Valves
  • Power Take Offs
  • Modulators
  • Brake Systems
Interchangeable With

zinc plated ball joints, zinc plated linkage ends, chrome ball joints, chrome plated linkage ends, chrome plated linkages, chromed ball joints, chromed linkage ends, billet linkage, billet rods, chromed billet linkage, chromed billet ends, Juntas Esfericas Cromadas, Rotulas, SAE J490, Kugelgelenke, Kugelgelenk, verchromt,staked design ball joints, SAE J490 Type G Style 2 ball joints, high-quality ball joints, made in China ball joints, ball joints for industrial applications, ball joints for lawn and garden equipment, ball joints for agricultural equipment, ball joints for construction equipment, ball joints for automotive applications, ball joints for heavy-duty applications

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