Rotary Motion Guide
Rotary systems involve rotating mechanical parts such as motors, sprockets, and pulleys. Learn the basics about rotary motion here.
Products for USB Sensing and Control
Quantity Available: 64
| Qty | Price |
|---|---|
| 5 | $6.43 |
| 10 | $6.16 |
Pulley for GT5 timing belts. Machined from aluminum.
This pulley can be used with any GT5 series belt. The size of belt required depends on the desired distance between your two pulleys; for installation details see the Rotary Motion Guide.
| Product | Physical Properties | |||
|---|---|---|---|---|
| Part Number | Price | Pulley Series | Belt Circumference | Working Tensile Strength |
 275mm GT5x15mm Timing Belt
|
$3.50 | GT5 | 275 mm | 444 N |
 350mm GT5x15mm Timing Belt
|
$3.00 | GT5 | 350 mm | 444 N |
 420mm GT5x15mm Timing Belt
|
$3.75 | GT5 | 420 mm | 444 N |
 500mm GT5x15mm Timing Belt
|
$3.75 | GT5 | 500 mm | 444 N |
 600mm GT5x15mm Timing Belt
|
$5.55 | GT5 | 600 mm | 444 N |
 770mm GT5x15mm Timing Belt
|
$5.55 | GT5 | 770 mm | 444 N |
 850mm GT5x15mm Timing Belt
|
$6.70 | GT5 | 850 mm | 444 N |
 1000mm GT5x15mm Timing Belt
|
$7.40 | GT5 | 1 m | 444 N |
 1400mm GT5x15mm Timing Belt
|
$9.65 | GT5 | 1.4 m | 444 N |
 1715mm GT5x15mm Timing Belt
|
$11.85 | GT5 | 1.7 m | 444 N |
 GT5x15mm Timing Belt Open
|
$5.20/Meter | GT5 | — | 444 N |
If you're building a rotary transmission system of any kind, chances are you'll need some rotary shaft. Here's a list of rotary shaft compatible with this pulley:
| Product | Physical Properties | |
|---|---|---|
| Part Number | Price | Diameter |
 8mm Precision Ground Rotary Shaft
|
$6.50/Meter | 8 mm |
Ball screws provide an easy means of converting rotary motion into precise linear positioning. You can use this pulley to connect a transmission system to the following ball screws:
| Product | Physical Properties | |
|---|---|---|
| Part Number | Price | Length |
 Ball Screw SFU01204 x 200mm w/Nut
|
$33.30 | 200 mm |
 Ball Screw SFU01204 x 300mm w/Nut
|
$37.00 | 300 mm |
 Ball Screw SFU01204 x 400mm w/Nut
|
$40.70 | 400 mm |
 Ball Screw SFU01204 x 500mm w/Nut
|
$44.40 | 500 mm |
 Ball Screw SFU01204 x 600mm w/Nut
|
$46.65 | 600 mm |
 Ball Screw SFU01204 x 800mm w/Nut
|
$53.30 | 800 mm |
 Ball Screw SFU01204 x 1000mm w/Nut
|
$59.20 | 1 m |
Stepper motors have high torque and precise position control. This pulley can connect to the main shaft of the following stepper motors:
| Product | Physical Properties | Motor Properties | Electrical Properties | Gearbox Properties | |||
|---|---|---|---|---|---|---|---|
| Part Number | Price | Shaft Diameter | Mounting Plate Size | Rated Torque | Recommended Voltage | Gearbox Type | Gear Ratio |
 NEMA17 - 1.8 Degree - 1.68A Stepper - 5.18:1 Gearbox
|
$40.00 | 8 mm | NEMA - 17 | 18 kg·cm | 24 V DC | Planetary | 5 2⁄11 : 1 |
 NEMA17 - 1.8 Degree - 1.68A Stepper - 14:1 Gearbox
|
$42.00 | 8 mm | NEMA - 17 | 30 kg·cm | 24 V DC | Planetary | 13 212⁄289 : 1 |
 NEMA17 - 1.8 Degree - 1.68A Stepper - 27:1 Gearbox
|
$44.00 | 8 mm | NEMA - 17 | 30 kg·cm | 24 V DC | Planetary | 26 103⁄121 : 1 |
 NEMA17 - 1.8 Degree - 1.68A Stepper - 51:1 Gearbox
|
$46.00 | 8 mm | NEMA - 17 | 48 kg·cm | 24 V DC | Planetary | 50 4397⁄4913 : 1 |
 NEMA17 - 1.8 Degree - 1.68A Stepper - 100:1 Gearbox
|
$48.00 | 8 mm | NEMA - 17 | 48 kg·cm | 24 V DC | Planetary | 99 1044⁄2057 : 1 |
Brushless DC motors combine smooth rotation with accurate position control. This pulley can connect to the following BLDC Motors:
| Product | Physical Properties | Motor Properties | ||
|---|---|---|---|---|
| Part Number | Price | Shaft Diameter | Rated Torque | Rated Speed |
 NEMA17 - Brushless DC Motor - 4.9:1 Gearbox
|
$72.00 | 8 mm | 5.6 kg·cm | 810 RPM |
 NEMA17 - Brushless DC Motor - 15:1 Gearbox
|
$74.00 | 8 mm | 16.3 kg·cm | 260 RPM |
 NEMA17 - Brushless DC Motor - 24:1 Gearbox
|
$76.00 | 8 mm | 24.5 kg·cm | 166 RPM |
 NEMA17 - Brushless DC Motor - 56:1 Gearbox
|
$80.00 | 8 mm | 61.2 kg·cm | 70 RPM |
 NEMA23 - Brushless DC Motor - Gearless
|
$42.00 | 8 mm | 2.9 kg·cm | 4000 RPM |
 NEMA23 - Brushless DC Motor - Gearless
|
$65.00 | 8 mm | 5 kg·cm | 4000 RPM |
DC motors are the simplest and most common option for rotary motion in many projects. This pulley can connect to the main shaft of the following DC motors:
| Product | Physical Properties | Motor Properties | Electrical Properties | Gearbox Specifications | ||
|---|---|---|---|---|---|---|
| Part Number | Price | Shaft Diameter | Rated Torque | Rated Voltage | Gearbox Type | Gear Ratio |
 12V/0.5Kg-cm/670RPM 3.7:1 DC Gear Motor
|
$38.00 | 8 mm | 540 g·cm | 12 V DC | Planetary | 3 12⁄17 : 1 |
 12V/1.9Kg-cm/175RPM 14:1 DC Gear Motor
|
$42.00 | 8 mm | 1.9 kg·cm | 12 V DC | Planetary | 13 212⁄289 : 1 |
 12V/6.6Kg-cm/49RPM 51:1 DC Gear Motor
|
$43.00 | 8 mm | 6.6 kg·cm | 12 V DC | Planetary | 50 801⁄895 : 1 |
 12V/6.6Kg-cm/49RPM 51:1 DC Gear Motor
|
$33.00 | 8 mm | 6.6 kg·cm | 12 V DC | Planetary | 50 801⁄895 : 1 |
 12V/17.3Kg-cm/18RPM 139:1 DC Gear Motor
|
$43.00 | 8 mm | 17.3 kg·cm | 12 V DC | Planetary | * 139 184⁄1221 : 1 |
 24V/2.5Kg-cm/3280RPM DC Motor
|
$40.00 | 8 mm | 3.3 kg·cm | 24 V DC | — | — |
| Physical Properties | |
|---|---|
| Inner Diameter | 8 mm |
| Number of Teeth | 50 |
| Hex Key Size Required | 2 mm |
| Customs Information | |
| Canadian HS Export Code | 8483.90.00 |
| American HTS Import Code | 8483.90.50.90 |
| Country of Origin | CN (China) |
| Product | Physical Properties | ||
|---|---|---|---|
| Part Number | Price | Inner Diameter | Number of Teeth |
 GT5 Pulley with 0.25" Bore and 12 Teeth
|
$2.75 | 1⁄4″ | 12 |
 GT5 Pulley with 8mm Bore and 12 Teeth
|
$3.00 | 8 mm | 12 |
 GT5 Pulley with 8mm Bore and 24 Teeth
|
$3.15 | 8 mm | 24 |
 GT5 Pulley with 8mm Bore and 34 Teeth
|
$4.45 | 8 mm | 34 |
 GT5 Pulley with 8mm Bore and 50 Teeth
|
$6.70 | 8 mm | 50 |
 GT5 Pulley with 9mm Bore and 50 Teeth
|
$7.40 | 9 mm | 50 |
 GT5 Pulley with 10mm Bore and 16 Teeth (3mm Keyway)
|
$3.00 | 10 mm | 16 |
 GT5 Pulley with 10mm Bore and 16 Teeth (4mm Keyway)
|
$3.50 | 10 mm | 16 |
 GT5 Pulley with 10mm Bore and 34 Teeth
|
$5.20 | 10 mm | 34 |
 GT5 Pulley with 10mm Bore and 50 Teeth
|
$7.40 | 10 mm | 50 |
 GT5 Pulley with 11mm Bore and 34 Teeth
|
$5.20 | 11 mm | 34 |
 GT5 Pulley with 11mm Bore and 50 Teeth
|
$7.40 | 11 mm | 50 |
 GT5 Idler Pulley 12mm Bore with Spacers
|
$7.00 | 12 mm | 30 |
 GT5 Pulley with 12mm Bore and 16 Teeth
|
$3.50 | 12 mm | 16 |
 GT5 Pulley with 12mm Bore and 24 Teeth
|
$4.00 | 12 mm | 24 |
 GT5 Pulley with 12mm Bore and 34 Teeth
|
$5.00 | 12 mm | 34 |
 GT5 Pulley with 12mm Bore and 50 Teeth
|
$7.40 | 12 mm | 50 |
 GT5 Pulley with 12mm Bore and 72 Teeth
|
$12.95 | 12 mm | 72 |
 GT5 Pulley with 0.5" Bore and 16 Teeth
|
$3.75 | 1⁄2″ | 16 |
 GT5 Pulley with 14mm Bore and 50 Teeth
|
$7.40 | 14 mm | 50 |
 GT5 Pulley with 5/8" Bore and 24 Teeth
|
$3.70 | 5⁄8″ | 24 |
 GT5 Pulley with 17mm Bore and 34 Teeth
|
$5.00 | 17 mm | 34 |
 GT5 Pulley with 17mm Bore and 50 Teeth
|
$7.40 | 17 mm | 50 |
 GT5 Pulley with 17mm Bore and 72 Teeth
|
$14.50 | 17 mm | 72 |
 GT5 Pulley with 19mm Bore and 50 Teeth
|
$7.40 | 19 mm | 50 |
 GT5 Pulley with 19mm Bore and 72 Teeth
|
$12.95 | 19 mm | 72 |
 GT5 Pulley with 24mm Bore and 50 Teeth
|
$7.40 | 24 mm | 50 |
 GT5 Pulley with 24mm Bore and 72 Teeth
|
$12.95 | 24 mm | 72 |