QD bushings securely connect shafts and components, offering easy installation and reliable power transmission.
QD bushings, or quick-disconnect bushings, are indispensable in the industrial power transmission and agricultural sectors for a wide array of applications including sprockets, sheaves, pulleys, and synchronized drives. At CTS®, our QD bushings are synonymous with superior holding power and unmatched strength across diverse applications. Crafted from high-grade steel and precision-machined for perfect fitment, our QD bushings offer reliability and durability that stand the test of time.
If you have any question about QD Bushings or want to get a quote, please feel free to contact us.
QD Bushing Type | Dimensions(in) | Bolt Circle (in) |
Stock Bore Range(in) | Cap Screws Included | Set Screw Size |
Wrench- Torque (in-Ibs) | Approx. Weight (Ibs) |
A | B | D |
E | F | G |
L | Min. | Max. |
No. | Thread | Length (in) |
Standard Keyway | Shallow Keyway | No Keyway |
JA | 3/8 | 1.375 |
2 | 11/16 | 9/16 | 1/8 |
1-1/16 | 1-21/32 | 3/8 | 1 |
1-3/16 | 1-1/4 | 3 | 10-24 |
1 | 10-24 | 60 | 0.9 |
SH | 7/16 | 1.871 |
2-11/16 | 7/8 | 13/16 | 3/16 |
1-5/16 | 2-1/4 | 1/2 | 1-3/8 |
1-5/8 | 1-11/16 | 3 | 1/4-20 |
1-3/8 | 1/4 | 108 | 1.0 |
SDS | 1/2 | 2.187 |
3-3/16 | 7/8 | 3/4 | 3/16 |
1-3/8 | 2-11/16 | 1/2 | 1-11/16 |
1-15/16 | 2 | 3 | 1/4-20 |
1-3/8 | 1/4 | 108 | 1.0 |
SD | 1/2 | 2.187 |
3-3/16 | 1-5/16 | 1-1/4 | 3/16 |
1-13/16 | 2-11/16 | 1/2 | 1-11/16 |
1-15/16 | 2 | 3 | 1/4-20 |
1-7/8 | 1/4 | 108 | 1.5 |
SK | 9/16 | 2.812 |
3-7/8 | 1-3/8 | 1-1/4 | 3/16 |
1-15/16 | 3-5/16 | 1/2 | 2-1/8 |
2-1/2 | 2-5/8 | 3 | 5/16-18 |
2 | 5/16 | 180 | 2.0 |
SF | 9/16 | 3.125 |
4-5/8 | 1-1/2 | 1-1/4 | 1/4 |
2-1/16 | 3-7/8 | 1/2 | 2-1/4 |
2-15/16 | - | 3 | 3/8-16 |
2 | 5/16 | 360 | 3.0 |
E | 3/4 | 3.834 |
6 | 1-7/8 | 1-5/8 | 5/16 |
2-5/8 | 5 | 7/8 | 2-7/8 |
3-1/2 | - | 3 | 1/2-13 |
2-3/4 | 3/8 | 720 | 10.0 |
F | 13/16 | 4.437 |
6-5/8 | 2-13/16 | 2-1/2 | 3/8 |
3-5/8 | 5-5/8 | 1 | 3-5/16 |
3-15/16 | 4 | 3 | 9/16-12 |
3-5/8 | 1/2 | 900 | 11.5 |
J | 1 | 5.148 |
7-1/4 | 3-1/2 | 3-3/16 | 3/8 |
4-1/2 | 6-1/4 | 1-7/16 | 3-3/4 |
4-1/2 | - | 3 | 5/8-11 |
4-1/2 | 5/8 | 1,620 | 18.0 |
M | 1-1/4 | 6.500 |
9 | 5-1/2 | 5-3/16 | 3/8 |
6-3/4 | 7-7/8 | 1-15/16 | 4-3/4 |
5-1/2 | - | 4 | 3/4-10 |
6-3/4 | 3/4 | 2,700 | 37.0 |
N | 1-1/2 | 7.000 |
10 | 6-5/8 | 6-1/4 | 7/16 |
8-1/8 | 8-1/2 | 2-7/16 | 5 |
6 | - | 4 | 7/8-9 |
8-1/2 | 3/4 | 3,600 | 57.0 |
P | 1-3/4 | 8.250 |
11-3/4 | 7-5/8 | 7-1/4 | 1/2 |
9-3/8 | 10 | 2-15/16 | 5-15/16 |
7 | - | 4 | 1-8 |
9-1/2 | 7/8 | 5,400 | 120.0 |
W | 2 | 10.437 |
15 | 9-3/8 | 9 | 1/2 |
11-3/8 | 12-3/4 | 4 | 7-1/2 |
8-1/2 | - | 4 | 1-1/8-11.5 |
11-1/2 | 1 | 7,200 | 250.0 |
S | 3-1/4 | 12.125 |
17-3/4 | 12-1/2 | 12 | 1/2 |
15-3/4 | 15 | 6 | 8-1/4 |
10 | - | 5 | 1-1/4-15.5 |
15-1/2 | 1-1/4 | 9,000 | 400.0 |
P, B, Q, and R Split Bushing
P, B, Q, and R Split Bushing
Bushing Type | Dimensions(in) | Bolt Circle (V) |
Stock Bore Range(in) | Cap Screws | Wrench Torque (in-lbs) |
Avg. Weight (lbs) |
L | U | T |
D | H | W |
X | Y | R |
Type 1 | Type 2 | # of Screws |
Thread Dia. (in) | Length (in) |
Large End | Small End | Min. |
Max. | Min. | Max. |
G | 1 | 1/4 |
3/4 | 1.172 | 1.133 | 2 |
- | 5/8 | 3/16 | 1/8 |
1-9/16 | 3/8 | 15/16 | - |
1 | 2 | 1/4 | 5/8 |
95 | 0.5 |
H | 1-1/4 | 1/4 |
1 | 1.625 | 1.570 | 2-1/2 |
- | 7/8 | 3/16 | 1/8 |
2 | 3/8 | 1-3/8 | 1-7/16 |
1-1/2 | 2 | 1/4 | 3/4 |
95 | 0.8 |
P1 | 1-15/16 | 13/32 |
1-17/32 | 1.938 | 1.856 | 3 |
3/8 | 1-5/16 | 7/32 | 7/32 |
2-7/16 | 1/2 | 1-7/16 | 1-1/2 |
1-3/4 | 3 | 5/16 | 1 |
192 | 1.3 |
P2 | 2-15/16 | 13/32 |
2-17/32 | 1.938 | 1.793 | 3 |
3/8 | 2-5/16 | 7/32 | 7/32 |
2-7/16 | 3/4 | 1-7/16 | 1-1/2 |
1-3/4 | 3 | 5/16 | 1 |
192 | 1.5 |
P3 | 4-7/16 | 13/32 |
4-1/32 | 1.938 | 1.699 | 3 |
3/8 | 3-13/16 | 7/32 | 7/32 |
2-7/16 | 1-1/8 | 1-3/8 | - |
1-5/8 | 3 | 5/16 | 1 |
192 | 2 |
B | 1-15/16 | 1/2 |
1-7/16 | 2.625 | 2.557 | 3-11/32 |
1/2 | 1-3/16 | 7/32 | 1/4 |
3-1/8 | 1/2 | 1-15/16 | 2 |
2-7/16 | 3 | 5/16 | 1-1/4 |
192 | 1.8 |
Q1 | 2-1/2 | 17/32 |
1-31/32 | 2.875 | 2.766 | 4-1/8 |
1/2 | 1-3/4 | 7/32 | 7/32 |
3-3/8 | 3/4 | 2-1/16 | 2-1/8 |
2-11/16 | 3 | 3/8 | 1-1/4 |
348 | 3.5 |
Q2 | 3-1/2 | 17/32 |
2-31/32 | 2.875 | 2.703 | 41/8 |
1/2 | 2-3/4 | 7/32 | 7/32 |
3-3/8 | 1 | 2-1/16 | 2-1/8 |
2-5/8 | 3 | 3/8 | 1-1/4 |
348 | 4.5 |
Q3 | 5 | 17/32 |
4-15/32 | 2.875 | 2.609 | 4-1/8 |
1/2 | 4-1/4 | 7/32 | 7/32 |
3-3/8 | 1-3/8 | 2-1/16 | 2-1/8 |
2-1/2 | 3 | 3/8 | 1-1/4 |
348 | 5.5 |
R1 | 2-7/8 | 5/8 |
2-1/4 | 4.000 | 3.875 | 5-3/8 |
3/4 | 2 | 1/4 | 1/4 |
4-5/8 | 1-1 /8 | 2-13/16 | 2-7/8 |
3-3/4 | 3 | 3/8 | 1-3/4 |
348 | 7.5 |
R2 | 4-7/8 | 5/8 |
4-1/4 | 4.000 | 3.750 | 5-3/8 |
3/4 | 4 | 1/4 | 1/4 |
4-5/8 | 1-3/8 | 2-13/16 | 2-7/8 |
3-5/8 | 3 | 3/8 | 1-3/4 |
348 | 11 |
S1 | 4-3/8 | 3/4 |
3-5/8 | 4.625 | 4.418 | 6-3/8 |
3/4 | 3-5/16 | 5/16 | 5/16 |
5-3/8 | 1-11/16 | 3-3/16 | 3-1/4 |
4-1/4 | 3 | 1/2 | 2-1/4 |
840 | 13.5 |
S2 | 6-3/4 | 3/4 |
6 | 4.625 | 4.27 | 6-3/8 |
3/4 | 5-11/16 | 5/16 | 5/16 |
5-3/8 | 1-7/8 | 3-3/16 | 3-1/4 |
4-3/16 | 3 | 1/2 | 2-1/4 |
840 | 19 |
U0 | 5-1/4 | 1-1/16 |
4-3/16 | 6 | 5.766 | 8-3/8 |
1-1/4 | 3-3/4 | 7/16 | 7/16 |
7 | 2-3/8 | 3-1/16 | - |
- | 3 | 5/8 | 2-3/4 |
1680 | 30 |
U0 | 4-15/16 | 3/4 |
4-3/16 | 6.000 | 5.766 | 8-3/8 |
1-1/4 | 3-3/4 | 7/16 | 7/16 |
7 | 3-1/4 | 4-1/4 | 4-3/8 |
5-1/2 | 3 | 5/8 | 2-3/4 |
1680 | 27 |
U1 | 7-1/8 | 1-1/16 |
6-1/16 | 6 | 5.649 | 8-3/8 |
1-1/4 | 5-5/8 | 7/16 | 7/16 |
7 | 2-3/8 | 4-1/4 | 4-3/8 |
5-1/2 | 3 | 5/8 | 2-3/4 |
1680 | 40 |
U2 | 10-1/8 | 1-1/16 |
9-1/16 | 6 | 5.461 | 8-3/8 |
1-1/4 | 8-5/8 | 7/16 | 7/16 |
7 | 2-7/16 | 41/4 | 4-3/8 |
5 | 3 | 5/8 | 2-3/4 |
1680 | 50 |
W1 | 8-1/4 | 1-7/16 |
6-13/16 | 8.5 | 8.102 | 12-1/2 |
1-1/4 | 6-3/8 | 7/16 | 7/16 |
10 | 3-3/8 | 6-3/16 | 6-1/4 |
7-7/16 | 4 | 3/4 | 3 |
3000 | 104 |
W2 | 11-1/4 | 1-7/16 |
9-13/16 | 8.5 | 7.914 | 12-1/2 |
1-1/4 | 9-3/8 | 7/16 | 7/16 |
10 | 3-3/8 | 6-3/16 | 6-1/4 |
7-7/16 | 4 | 3/4 | 3 |
3000 | 133 |
Y0 | 11-1/8 | 2 |
9-1/8 | 12 | 11.469 | 16-1/2 |
2 | 8-1/2 | 5/8 | 5/8 |
14-1/2 | 6 | 7-15/16 | 8 |
10 | 4 | 1 | 5 |
7200 | 270 |