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: 847
| Qty | Price |
|---|---|
| 5 | $2.88 |
| 10 | $2.76 |
Hardened steel sprocket for quarter inch roller chain. It has a 8mm bore with set screws.
This sprocket is compatible with series #25 chain. The amount of chain required depends on the desired distance between your two sprockets; for installation details see the Rotary Motion Guide.
| Product | |
|---|---|
| Part Number | Price |
 #25 Roller Chain
|
$5.95/Meter |
 #25 Roller Chain Link Kit
|
$1.50 |
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 sprocket:
| 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 sprocket 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 sprocket 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 sprocket 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 sprocket 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 | 10 |
| Sprocket Series | # 25 |
| Hex Key Size Required | 2 mm |
| Customs Information | |
| Canadian HS Export Code | 8483.90.00 |
| American HTS Import Code | 8483.90.10.50 |
| Country of Origin | CN (China) |
| Product | Physical Properties | |||
|---|---|---|---|---|
| Part Number | Price | Inner Diameter | Number of Teeth | Sprocket Series |
 #25 Chain Sprocket with 8mm Bore and 10 Teeth
|
$3.00 | 8 mm | 10 | # 25 |
 #25 Chain Sprocket with 9mm Bore and 18 Teeth
|
$3.75 | 9 mm | 18 | # 25 |
 #25 Sprocket with 10mm Bore and 12 Teeth
|
$4.00 | 10 mm | 12 | # 25 |
 #25 Chain Sprocket 10mm Bore 32 Teeth 3mm Key
|
$5.00 | 10 mm | 32 | # 25 |
 #25 Chain Sprocket 10mm Bore 32 Teeth 4mm Key
|
$5.00 | 10 mm | 32 | # 25 |
 #25 Chain Sprocket with 11mm Bore and 32 Teeth
|
$5.00 | 11 mm | 32 | # 25 |
 #25 Chain Idler Sprocket 12mm Bore with Spacers
|
$7.00 | 12 mm | 22 | # 25 |
 #25 Chain Sprocket with 12mm Bore and 12 Teeth
|
$3.25 | 12 mm | 12 | # 25 |
 #25 Chain Sprocket with 12mm Bore and 18 Teeth
|
$3.75 | 12 mm | 18 | # 25 |
 #25 Chain Sprocket with 12mm Bore and 32 Teeth
|
$5.00 | 12 mm | 32 | # 25 |
 #25 Chain Sprocket with 12mm Bore and 52 Teeth
|
$8.00 | 12 mm | 52 | # 25 |
 #25 Chain Sprocket with 0.5" Bore and 12 Teeth
|
$3.50 | 1⁄2″ | 12 | # 25 |