Planetary GearboxesSEPB
SEPB Series Planetary Gearbox
The SEPB Series Planetary Gearbox is available from Source Engineering Inc. in Santa Clara, CA for OEM planetary gearboxes programs. Contact us for sizing, customization, samples, and volume pricing.
SEPB Series Planetary Gearbox
Product Details
- Low noise
- High-Capacity Bearing – Increased radial and axial forces
- Spur Gear
- Backlash ≤7-≤10 arcmin
- 97% efficiency
- Operating Temp -25° to 90°C
- Lifetime lubrication
- Multiple stage configurations
- Customs available
Technical Data
| Product type | 70 | 90 | Reduction ratio | Number of stage | |
|---|---|---|---|---|---|
| Rated output torque | N.M | 28 | 85 | 3 | 1 |
| 33 | 90 | 4 | |||
| 30 | 82 | 5 | |||
| 18 | 50 | 8 | |||
| 15 | 38 | 10 | |||
| 33 | 97 | 9 | 2 | ||
| 33 | 90 | 12 | |||
| 33 | 82 | 15 | |||
| 33 | 90 | 16 | |||
| 33 | 90 | 20 | |||
| 30 | 82 | 25 | |||
| 33 | 90 | 32 | |||
| 30 | 82 | 40 | |||
| 18 | 50 | 64 | |||
| Life | Hour | 20,000 | |||
| Instant stop torque | N.M | 66 | 180 | 3 | – |
| 88 | 240 | 4 | |||
| 80 | 220 | 5 | |||
| 80 | 190 | 8 | |||
| 80 | 200 | 10 | |||
| 88 | 260 | 9 | – | ||
| 88 | 240 | 12 | |||
| 88 | 220 | 15 | |||
| 88 | 240 | 16 | |||
| 88 | 240 | 20 | |||
| 80 | 220 | 25 | |||
| 88 | 240 | 32 | |||
| 80 | 220 | 40 | |||
| 80 | 190 | 64 | |||
| 80 | 200 | 100 | |||
| Product type | 70 | 90 | Unit | Number of stage |
|---|---|---|---|---|
| Max radial load | 1650 | 3100 | N | |
| Max axial load | 2100 | 3800 | N | |
| Full load efficiency | 98 | % | 1 | |
| 97 | 2 | |||
| Weight | 1.4 | 3.2~3.3 | Kg | 1 |
| 1.7~1.9 | 3.9~4.0 | 2 | ||
| Operating temperature | -25~ +90 | ℃ | ||
| IP | IP54 | |||
| Lubrication type | Lifetime lubrication | |||
| Mounting type | Any | |||
| Product type | 70 | 90 | Reduction ratio | |
|---|---|---|---|---|
| Moment of inertia | Kgcm2 | 0.069~0.174 | 0.374~0.789 | 3 |
| 4 | ||||
| 5 | ||||
| 8 | ||||
| 10 | ||||
| 0.064~0.126 | 0.356~0.625 | 9 | ||
| 12 | ||||
| 15 | ||||
| 16 | ||||
| 20 | ||||
| 25 | ||||
| 32 | ||||
| 40 | ||||
| 64 |
| Product type | 70 | 90 | Number of stage | |
|---|---|---|---|---|
| Backlash | arcmin | ＜10 | ＜7 | 1 |
| ＜12 | ＜9 | 2 |
| Product type | 70 | 90 | |||
|---|---|---|---|---|---|
| Number of stage | 1 | 2 | 1 | 2 | |
| Torsional stiffness | N.M/arcmin | 3.5-5.6 | 3.3-5.8 | 9.7-15.0 | 9.7-16.1 |
| Noise | dB(A) | 58 | 60 | ||
| Max input speed | min-1 | 13000 | 7000 | ||
| Recommend input speed | min-1 | 4500 | 4000 | ||
1. The moment of inertia is related with input shaft. 2. Noise test standard, distance 1m, measured noload running with an input speed of 3000rpm. 3. The max radial and axial torque work in the location of the center of output shaft when the out speed is 100RPM. 4. The maximum input speed is designed to software.
Dimensions
| PN | 70SEPB | 90SEPB | ||
|---|---|---|---|---|
| Number of stage | 1 | 2 | 1 | 2 |
| L1 overall length | / | / | / | / |
| L3 body length | 51 | 64 | 67 | 78 |
| Output | ||||
| L4 output shaft length | 36 | 46 | ||
| L5 output length to the shaft shoulder | 28 | 36 | ||
| L6 key length | 25 | 32 | ||
| L7 key length to the shaft end | 2 | 2 | ||
| L8 protruding length | 3 | 4 | ||
| D4 output shaft diameter | Φ16h7 | Φ22h7 | ||
| D5 shaft shoulder diameter | Φ30 | Φ35 | ||
| D6 protruding diameter | Φ52h7 | Φ68h7 | ||
| D7 body diameter | Φ70 | Φ90 | ||
| D8 hole circle | Φ62 | Φ80 | ||
| B1 key width | 5 | 6 | ||
| H1 key height | 18 | 24.5 | ||
| G2 mounting screw hole | M5X8 | M6X9 | ||
| G3 center screw hole | M5X12 | M6X16 | ||
| Input | ||||
| L2 input flange length | For more detailed information, please consult the manufacturer | |||
| L9 motor shaft length | ||||
| L10 protruding depth | ||||
| D1 mounting hole distribution circle | ||||
| D2 protruding diameter | ||||
| D3 input shaft diameter | ||||
| G1 mounting threads hole x depth | ||||
| Q3 input flange | □60 | □80 | ||
※ Input size made according to motor size.
※ The dimensions of L9, L10, D1, D2, D3, Q3, and G1 are installation dimensions for customer’s motor, and the total length of L1 depends on the size of customer’s motor.
Type and Model Number
| 60 | SEP | 10 | ( ) | (S) | – | 7 5 0 |
| ① | ② | ③ | ④ | ⑤ | ⑥ |
| ① | Gear head frame size: 60 |
| ② | Gear head series code: |
| SEP: Inline | |
| SEPR: Right angle | |
| SEPB: Inline Large Output Bearing | |
| SEPRL: Right angle Large Output Bearing | |
| ③ | Gear ratio : |
| Single stage 3,4,5,8,10 | |
| Two stage 9,12,15,16,20,25,32,40,64 | |
| ④ | Input Flange: 1(Round), 2 (Square) |
| ⑤ | Input shaft type |
| S: Over locking (Omission) (Can use it whatever motor shaft has keyway or not) | |
| S: Locking with locking ring (Can use it whatever motor shaft has keyway or not) | |
| ⑥ | S2: Locking with keyway (Input shaft with key) |
| K: With keyway | |
| A: Other type (Please contact with us) | |
| Applicable servo motor power (W) |
Key Features
- SEPB Series Planetary Gearbox: OEM motion component configured for your application
- Custom shafts, windings, and mounts available
- US engineering support with overseas manufacturing cost structure
- Prototype to production volumes
Configuration Options
- Custom shafts, windings, encoders, and cable assemblies on request
- Prototype samples through production volumes
Applications
- Robotics
- CNC
- Semiconductor
- Factory automation
- AGV/AMR
When to Choose This Model
Select this planetary series based on backlash, ratio range, and mounting requirements for your servo or stepper.
Frequently Asked Questions
What is the SEPB Series Planetary Gearbox used for?
The SEPB Series Planetary Gearbox is used in OEM motion-control applications. Contact us to match torque, speed, and mounting to your design.
Can you customize this model?
Yes. Shafts, windings, ratios, encoders, cables, and mounting interfaces can be customized for OEM programs.
How do I get pricing and lead time?
Request a quote with your quantity, target specs, and timeline. We typically respond within one business day.
Ready to spec your next motion system?
Talk to a Source Engineering application specialist. No obligations, just answers.