Quantity Available: 68
| Qty | Price |
|---|---|
| 5 | $3.41 |
| 10 | $3.27 |
Hardened steel sprocket for half inch (1/2") roller chain. There is a 12mm bore with keyway, set screws and key.
This sprocket is compatible with series #40 chain. The amount of chain required depends on the desired distance between your two sprockets; for installation details see the Rotary Motion Primer.
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 | ||
|---|---|---|---|
| Image | Part Number | Price | Diameter |
 |
TRM4001_0 | $45.00/Meter | 12 mm |
 |
TRM4016_0 | $6.50/Meter | 12 mm |
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 | ||||
|---|---|---|---|---|---|---|---|---|
| Image | Part Number | Price | Shaft Diameter | Mounting Plate Size | Rated Torque | Recommended Voltage | Gearbox Type | Gear Ratio |
 |
3332_0 | $70.00 | 12 mm | NEMA - 23 | 46.6 kg·cm | 12 V DC | Planetary | 4 1⁄4 : 1 |
 |
3333_0 | $72.00 | 12 mm | NEMA - 23 | 150 kg·cm | 12 V DC | Planetary | 15 3⁄10 : 1 |
 |
3334_0 | $74.00 | 12 mm | NEMA - 23 | 240 kg·cm | 12 V DC | Planetary | 76 49⁄64 : 1 |
 |
3335_0 | $60.00 | 12 mm | NEMA - 34 | 30 kg·cm | 30 V DC | — | — |
Brushless DC motors combine smooth rotation with accurate position control. This sprocket can connect to the following BLDC Motors:
| Product | Physical Properties | Motor Properties | |||
|---|---|---|---|---|---|
| Image | Part Number | Price | Shaft Diameter | Rated Torque | Maximum Speed at Rated Voltage |
 |
DCM4107_0 | $84.00 | 12 mm | 12.2 kg·cm | 930 RPM |
 |
DCM4108_0 | $86.00 | 12 mm | 37.7 kg·cm | 250 RPM |
 |
DCM4109_0 | $88.00 | 12 mm | 57.1 kg·cm | 170 RPM |
 |
DCM4110_0 | $95.00 | 12 mm | 102 kg·cm | 82 RPM |
 |
DCM4111_0 | $98.00 | 12 mm | 214.1 kg·cm | 41 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 | |||
|---|---|---|---|---|---|---|---|
| Image | Part Number | Price | Shaft Diameter | Rated Torque | Rated Voltage | Gearbox Type | Gear Ratio |
 |
3269_3 | $69.00 | 12 mm | 5.1 kg·cm | 24 V DC | Planetary | 4 1⁄4 : 1 |
 |
3270_1 | $66.00 | 12 mm | 14.3 kg·cm | 24 V DC | Planetary | 12 24⁄25 : 1 |
 |
3272_2 | $72.00 | 12 mm | 51 kg·cm | 24 V DC | Planetary | 46 82⁄125 : 1 |
 |
3273_2 | $72.00 | 12 mm | 82.6 kg·cm | 24 V DC | Planetary | 76 49⁄64 : 1 |
 |
3274_2 | $76.00 | 12 mm | 173 kg·cm | 24 V DC | Planetary | 167 601⁄625 : 1 |
 |
DCM4001_0 | $80.00 | 12 mm | 10.6 kg·cm | 24 V DC | Planetary | 4.25:1 |
 |
DCM4002_0 | $82.00 | 12 mm | 45 kg·cm | 24 V DC | Planetary | 18:1 |
 |
DCM4003_0 | $84.00 | 12 mm | 162.5 kg·cm | 24 V DC | Planetary | 65:1 |
| Physical Properties | |
|---|---|
| Inner Diameter | 12 mm |
| Number of Teeth | 14 |
| Sprocket Series | # 40 |
| Product | Physical Properties | ||||
|---|---|---|---|---|---|
| Image | Part Number | Price | Inner Diameter | Number of Teeth | Sprocket Series |
 |
TRM4144_0 | $2.80 | 12 mm | 9 | # 40 |
 |
TRM4145_0 | $3.55 | 12 mm | 14 | # 40 |
 |
TRM4146_0 | $4.45 | 12 mm | 20 | # 40 |
 |
TRM4147_0 | $3.00 | 1⁄2″ | 9 | # 40 |
 |
TRM4148_0 | $3.00 | 14 mm | 9 | # 40 |
 |
TRM4149_0 | $4.65 | 14 mm | 20 | # 40 |
 |
TRM4150_0 | $3.00 | 5⁄8″ | 9 | # 40 |
 |
TRM4151_0 | $4.65 | 17 mm | 20 | # 40 |
 |
TRM4152_0 | $7.40 | 17 mm | 40 | # 40 |
 |
TRM4153_0 | $4.65 | 19 mm | 20 | # 40 |
 |
TRM4154_0 | $4.65 | 24 mm | 20 | # 40 |
 |
TRM4155_0 | $4.65 | 25 mm | 20 | # 40 |
 |
TRM4156_0 | $8.00 | 25 mm | 40 | # 40 |
 |
TRM4157_0 | $13.35 | 25 mm | 60 | # 40 |
 |
TRM4161_0 | $3.75 | 12 mm | 13 | # 40 |
