Quick-Grip Screw-Clamp Bushings

Also known as Trantorque bushings, these tighten with a twist of the collar nut—no screws needed. As you tighten the collar nut, the inner sleeve contracts onto the shaft and the outer sleeve expands to hold your sprocket, pulley, or gear.
Stainless steel bushings are corrosion resistant for use in harsh environments.
For technical drawings and 3-D models, click on a part number.
For Shaft Dia. | OD | Overall Wd. | Max. Torque, in.-lbs. | Each | |
Steel | |||||
---|---|---|---|---|---|
1/4" | 5/8" | 3/4" | 180 | 0000000 | 000000 |
5/16" | 3/4" | 7/8" | 360 | 0000000 | 00000 |
3/8" | 3/4" | 7/8" | 440 | 0000000 | 00000 |
1/2" | 7/8" | 1" | 760 | 0000000 | 00000 |
5/8" | 1" | 1 1/8" | 1,200 | 0000000 | 00000 |
5/8" | 1 1/2" | 1 1/2" | 1,800 | 0000000 | 000000 |
3/4" | 1 1/4" | 1 3/8" | 1,500 | 0000000 | 00000 |
3/4" | 1 1/2" | 1 1/2" | 2,150 | 000000 | 000000 |
7/8" | 1 3/4" | 1 7/8" | 2,650 | 0000000 | 000000 |
1" | 1 3/4" | 1 7/8" | 3,050 | 0000000 | 000000 |
1 1/4" | 2" | 2 1/4" | 4,350 | 0000000 | 000000 |
1 1/2" | 2 3/8" | 2 3/4" | 5,250 | 0000000 | 000000 |
2" | 2 7/8" | 3 9/16" | 12,000 | 0000000 | 000000 |
4mm | 16mm | 19mm | 120 | 0000000 | 00000 |
5mm | 16mm | 19mm | 140 | 000000 | 00000 |
6mm | 16mm | 19mm | 180 | 0000000 | 00000 |
8mm | 20mm | 22mm | 360 | 0000000 | 00000 |
9mm | 20mm | 22mm | 450 | 0000000 | 00000 |
10mm | 23mm | 26mm | 600 | 0000000 | 00000 |
12mm | 23mm | 26mm | 710 | 0000000 | 00000 |
14mm | 26mm | 29mm | 1,050 | 0000000 | 00000 |
15mm | 26mm | 29mm | 1,150 | 0000000 | 00000 |
16mm | 26mm | 29mm | 1,200 | 0000000 | 00000 |
17mm | 32mm | 29mm | 1,900 | 0000000 | 000000 |
18mm | 32mm | 29mm | 2,000 | 0000000 | 000000 |
19mm | 32mm | 29mm | 2,150 | 0000000 | 000000 |
20mm | 35mm | 32mm | 2,750 | 0000000 | 000000 |
22mm | 35mm | 32mm | 3,050 | 0000000 | 000000 |
30mm | 45mm | 41mm | 5,100 | 0000000 | 000000 |
35mm | 50mm | 43mm | 5,950 | 0000000 | 000000 |
Zinc-Plated Steel | |||||
16mm | 38mm | 38mm | 1,750 | 0000000 | 000000 |
17mm | 38mm | 38mm | 1,900 | 0000000 | 000000 |
20mm | 45mm | 48mm | 2,550 | 0000000 | 000000 |
22mm | 45mm | 48mm | 2,750 | 0000000 | 000000 |
25mm | 45mm | 48mm | 3,450 | 0000000 | 000000 |
30mm | 51mm | 57mm | 5,100 | 0000000 | 000000 |
304 Stainless Steel | |||||
1/2" | 7/8" | 1" | 260 | 0000000 | 000000 |
5/8" | 1" | 1 1/8" | 430 | 0000000 | 000000 |
3/4" | 1 1/2" | 1 1/2" | 650 | 0000000 | 000000 |
1" | 1 3/4" | 1 7/8" | 910 | 0000000 | 000000 |
Hub-Mount Screw-Clamp Bushings


Transfer torque directly from a shaft to a hub. These bushings install over your hub to mount a sprocket, pulley, or gear to a shaft at the same time. Common in industrial gearbox applications, they can also connect a hollow shaft over a solid shaft. As screw-clamp bushings, they're good for shock loads. When you tighten the included clamping screws, the outer rings compress against a sprocket, pulley, or gear in between them, causing the inner rings to tighten around the shaft.
For technical drawings and 3-D models, click on a part number.
For Shaft Dia. | OD | Overall Wd. | Max. Torque, in.-lbs. | Fastener Tightening Torque, in.-lbs. | Material | Each | |
15/16" | 2" | 7/8" | 1,650 | 40 | Zinc-Plated Steel | 0000000 | 000000 |
1 1/8" | 2 3/8" | 15/16" | 2,100 | 40 | Zinc-Plated Steel | 0000000 | 00000 |
1 3/8" | 2 13/16" | 1" | 3,750 | 100 | Zinc-Plated Steel | 0000000 | 000000 |
1 11/16" | 3 1/8" | 1 1/8" | 8,150 | 100 | Zinc-Plated Steel | 0000000 | 000000 |
1 15/16" | 3 9/16" | 1 3/16" | 11,550 | 100 | Zinc-Plated Steel | 0000000 | 000000 |
2 1/8" | 3 15/16" | 1 5/16" | 12,150 | 100 | Zinc-Plated Steel | 0000000 | 000000 |
2 7/16" | 4 5/16" | 1 5/16" | 20,600 | 100 | Zinc-Plated Steel | 0000000 | 000000 |
2 5/8" | 4 1/2" | 1 5/16" | 21,100 | 100 | Zinc-Plated Steel | 0000000 | 000000 |
2 15/16" | 5 7/16" | 1 7/16" | 33,500 | 260 | Zinc-Plated Steel | 0000000 | 000000 |
3 1/8" | 5 11/16" | 1 7/16" | 40,950 | 260 | Zinc-Plated Steel | 0000000 | 000000 |
3 1/2" | 6 1/16" | 1 11/16" | 57,000 | 260 | Zinc-Plated Steel | 0000000 | 000000 |
Flanged Screw-Clamp Bushings


A mounting flange prevents movement during tightening. These bushings are good for shock loads. When you tighten the included screws, the bushing's inner sleeve contracts onto the shaft and the outer sleeve expands to hold your sprocket, pulley, or gear. They can be mounted on shafts with or without keyways.
For technical drawings and 3-D models, click on a part number.
For Shaft Dia. | OD | Overall Wd. | Max. Torque, in.-lbs. | Fastener Tightening Torque, in.-lbs. | Material | Includes | Each | |
3/8" | 15/16" | 13/16" | 260 | 42 | Steel | Clamping Screws | 0000000 | 000000 |
1/2" | 1 1/16" | 13/16" | 460 | 42 | Steel | Clamping Screws | 0000000 | 00000 |
5/8" | 1 3/16" | 31/32" | 880 | 42 | Steel | Clamping Screws | 0000000 | 00000 |
3/4" | 1 5/16" | 31/32" | 1,050 | 42 | Steel | Clamping Screws | 0000000 | 00000 |
1" | 1 11/16" | 1 3/16" | 3,050 | 90 | Steel | Clamping Screws | 0000000 | 00000 |
1 1/4" | 2" | 1 19/64" | 4,800 | 90 | Steel | Clamping Screws | 0000000 | 00000 |
1 3/8" | 2 1/8" | 1 19/64" | 5,300 | 90 | Steel | Clamping Screws | 0000000 | 00000 |
1 7/16" | 2 5/16" | 1 1/2" | 6,250 | 150 | Steel | Clamping Screws | 0000000 | 000000 |
1 1/2" | 2 3/8" | 1 1/2" | 8,150 | 150 | Steel | Clamping Screws | 0000000 | 000000 |
12mm | 26mm | 21mm | 440 | 42 | Steel | Clamping Screws | 0000000 | 00000 |
14mm | 28mm | 24mm | 640 | 42 | Steel | Clamping Screws | 0000000 | 00000 |
16mm | 30mm | 24mm | 900 | 42 | Steel | Clamping Screws | 0000000 | 00000 |
18mm | 32mm | 24mm | 990 | 42 | Steel | Clamping Screws | 0000000 | 00000 |
19mm | 33mm | 24mm | 1,050 | 42 | Steel | Clamping Screws | 0000000 | 00000 |
20mm | 38mm | 30mm | 1,800 | 90 | Steel | Clamping Screws | 0000000 | 00000 |
22mm | 40mm | 30mm | 2,000 | 90 | Steel | Clamping Screws | 0000000 | 00000 |
25mm | 43mm | 30mm | 3,000 | 90 | Steel | Clamping Screws | 0000000 | 00000 |
30mm | 48mm | 33mm | 4,500 | 90 | Steel | Clamping Screws | 0000000 | 00000 |
40mm | 62mm | 38mm | 8,550 | 150 | Steel | Clamping Screws | 0000000 | 000000 |
Corrosion-Resistant Flanged Screw-Clamp Bushings


Made from stainless steel or plated with nickel, these bushings resist corrosion. A mounting flange prevents movement during tightening. As screw-clamp bushings, they're good for shock loads. When you tighten the clamping screws, the bushing's inner sleeve tightens onto the shaft and the outer sleeve expands to hold your sprocket, pulley, or gear.
Nickel-plated steel bushings have good corrosion resistance in wet environments. However, the plating may begin to flake with long-term use.
Stainless steel bushings have excellent corrosion resistance and can withstand prolonged exposure to moisture.
For technical drawings and 3-D models, click on a part number.
For Shaft Dia. | OD | Overall Wd. | Max. Torque, in.-lbs. | Fastener Tightening Torque, in.-lbs. | Includes | Each | |
Nickel-Plated Steel | |||||||
---|---|---|---|---|---|---|---|
1/4" | 1" | 15/16" | 60 | 10 | Clamping Screws | 0000000 | 000000 |
3/8" | 1 1/4" | 1 1/8" | 250 | 30 | Clamping Screws | 0000000 | 000000 |
1/2" | 1 5/16" | 1 1/8" | 440 | 30 | Clamping Screws | 0000000 | 000000 |
5/8" | 1 9/16" | 1 5/16" | 840 | 70 | Clamping Screws | 0000000 | 000000 |
3/4" | 1 3/4" | 1 5/16" | 1,050 | 70 | Clamping Screws | 0000000 | 000000 |
7/8" | 1 7/8" | 1 1/2" | 1,850 | 70 | Clamping Screws | 0000000 | 000000 |
1" | 1 15/16" | 1 1/2" | 2,100 | 70 | Clamping Screws | 0000000 | 000000 |
12mm | 33mm | 28mm | 420 | 30 | Clamping Screws | 0000000 | 000000 |
14mm | 35mm | 28mm | 490 | 30 | Clamping Screws | 0000000 | 000000 |
16mm | 40mm | 34mm | 880 | 70 | Clamping Screws | 0000000 | 000000 |
19mm | 44mm | 34mm | 1,050 | 70 | Clamping Screws | 0000000 | 000000 |
20mm | 44mm | 34mm | 1,150 | 70 | Clamping Screws | 0000000 | 000000 |
22mm | 48mm | 38mm | 1,850 | 70 | Clamping Screws | 0000000 | 000000 |
25mm | 50mm | 38mm | 2,100 | 70 | Clamping Screws | 0000000 | 000000 |
30mm | 64mm | 45mm | 3,500 | 120 | Clamping Screws | 0000000 | 000000 |
35mm | 70mm | 49mm | 5,550 | 120 | Clamping Screws | 0000000 | 000000 |
40mm | 76mm | 49mm | 6,350 | 120 | Clamping Screws | 0000000 | 000000 |
Stainless Steel | |||||||
1/4" | 1" | 15/16" | 40 | 10 | Clamping Screws | 00000000 | 000000 |
3/8" | 1 1/4" | 1 1/8" | 190 | 30 | Clamping Screws | 00000000 | 000000 |
1/2" | 1 5/16" | 1 1/8" | 360 | 30 | Clamping Screws | 00000000 | 000000 |
12mm | 33mm | 28mm | 320 | 30 | Clamping Screws | 00000000 | 000000 |
14mm | 35mm | 28mm | 380 | 30 | Clamping Screws | 00000000 | 000000 |
16mm | 40mm | 34mm | 700 | 60 | Clamping Screws | 00000000 | 000000 |
19mm | 44mm | 34mm | 850 | 60 | Clamping Screws | 00000000 | 000000 |
20mm | 44mm | 34mm | 920 | 60 | Clamping Screws | 00000000 | 000000 |
22mm | 48mm | 38mm | 1,450 | 60 | Clamping Screws | 00000000 | 000000 |
25mm | 50mm | 38mm | 1,700 | 60 | Clamping Screws | 00000000 | 000000 |
30mm | 64mm | 45mm | 2,800 | 100 | Clamping Screws | 00000000 | 000000 |
35mm | 70mm | 49mm | 4,450 | 100 | Clamping Screws | 00000000 | 000000 |
Flush-Mount Screw-Clamp Bushings


Insert these bushings into the bore of your sprocket for flush or recessed mounting. They handle shock loads. When you tighten the included clamping screws, the bushing's inner sleeve contracts onto the shaft and the outer sleeve expands to hold your sprocket, pulley, or gear. They can be mounted on shafts with or without keyways.
For technical drawings and 3-D models, click on a part number.
For Shaft Dia. | OD | Overall Wd. | Max. Torque, in.-lbs. | Fastener Tightening Torque, in.-lbs. | Material | Includes | Each | |
3/4" | 1 7/8" | 1 1/32" | 2,250 | 150 | Steel | Clamping Screws | 0000000 | 000000 |
1" | 2" | 1 1/32" | 3,800 | 150 | Steel | Clamping Screws | 0000000 | 00000 |
1 3/16" | 2 3/16" | 1 1/16" | 4,500 | 150 | Steel | Clamping Screws | 0000000 | 00000 |
1 1/4" | 2 3/8" | 1 1/32" | 5,950 | 150 | Steel | Clamping Screws | 0000000 | 00000 |
1 3/8" | 2 3/8" | 1 1/64" | 6,600 | 150 | Steel | Clamping Screws | 0000000 | 00000 |
1 7/16" | 2 9/16" | 1 1/32" | 7,600 | 150 | Steel | Clamping Screws | 0000000 | 00000 |
1 1/2" | 2 9/16" | 1 1/32" | 7,850 | 150 | Steel | Clamping Screws | 0000000 | 00000 |
1 3/4" | 3" | 1 17/64" | 13,900 | 360 | Steel | Clamping Screws | 0000000 | 000000 |
1 15/16" | 3 3/16" | 1 17/64" | 15,400 | 360 | Steel | Clamping Screws | 0000000 | 000000 |
24mm | 55mm | 40mm | 6,650 | 142 | Steel | Clamping Screws | 0000000 | 000000 |
25mm | 55mm | 40mm | 6,950 | 142 | Steel | Clamping Screws | 0000000 | 000000 |
30mm | 55mm | 40mm | 8,350 | 142 | Steel | Clamping Screws | 0000000 | 000000 |
32mm | 60mm | 54mm | 10,350 | 142 | Steel | Clamping Screws | 0000000 | 000000 |
35mm | 60mm | 54mm | 11,300 | 142 | Steel | Clamping Screws | 0000000 | 000000 |
40mm | 75mm | 54mm | 25,500 | 363 | Steel | Clamping Screws | 0000000 | 000000 |
45mm | 75mm | 54mm | 28,700 | 363 | Steel | Clamping Screws | 0000000 | 000000 |
50mm | 80mm | 66mm | 36,400 | 363 | Steel | Clamping Screws | 0000000 | 000000 |
55mm | 85mm | 66mm | 45,100 | 363 | Steel | Clamping Screws | 0000000 | 000000 |
60mm | 90mm | 66mm | 54,700 | 363 | Steel | Clamping Screws | 0000000 | 000000 |
Corrosion-Resistant Flush-Mount Screw-Clamp Bushings


Insert these nickel-plated steel bushings into the bore of your sprocket for flush or recessed mounting in wet environments. When you tighten the included clamping screws on these bushings, their inner sleeve contracts onto the shaft and their outer sleeve expands to hold your sprocket, pulley, or gear. This keeps bushings from slipping during sudden starts and stops.
For technical drawings and 3-D models, click on a part number.
For Shaft Dia., mm | OD, mm | Overall Wd., mm | Max. Torque, in.-lbs. | Fastener Tightening Torque, in.-lbs. | Material | Includes | Each | |
25 | 50 | 26 | 3,750 | 150 | Nickel-Plated Steel | Clamping Screws | 0000000 | 0000000 |
30 | 55 | 26 | 5,050 | 150 | Nickel-Plated Steel | Clamping Screws | 0000000 | 000000 |
35 | 60 | 26 | 7,050 | 150 | Nickel-Plated Steel | Clamping Screws | 0000000 | 000000 |
40 | 65 | 26 | 9,450 | 150 | Nickel-Plated Steel | Clamping Screws | 0000000 | 000000 |
45 | 75 | 32 | 15,900 | 360 | Nickel-Plated Steel | Clamping Screws | 0000000 | 000000 |
50 | 80 | 32 | 17,700 | 360 | Nickel-Plated Steel | Clamping Screws | 0000000 | 000000 |
55 | 85 | 32 | 22,700 | 360 | Nickel-Plated Steel | Clamping Screws | 0000000 | 000000 |
60 | 90 | 32 | 24,800 | 360 | Nickel-Plated Steel | Clamping Screws | 0000000 | 000000 |