TSUBAKI Helical Reducer
SMR Series
- No reducer installation space required
- Easy installation in any mounting direction with no need for centering
- Standard lineup of straight shaft and taper bush types
Sales will be discontinued on June 30, 2019.
Features & Structure
With its compact construction, suitable for applications with limited installation space. No mounting base is required and mounting direction/position to the driven shaft can be arbitrarily chosen.
Energy Saving
The helical gear with high transmission capacity delivers a high-efficiency drive.
Time Saving
As the reducer output shaft is mounted directly on the driven shaft, there is no need for centering.
Can be installed by simply fixing the tie rod, significantly reducing installation man-hours.
Reference Number System
| SM | 307 | S | 25 | S | 85 |
| (1) | (2) | (3) | (4) | (5) |
| SM | 307 | B | 20 | T | 80 | – | L |
| (1) | (2) | (3) | (4) | (5) | (6) |
| SM | 307 | F | 12 | T | 75 |
| (1) | (2) | (3) | (4) | (5) |
(1) Size: 100, 103, 107, 115, 203, 207, 215, 307, 315, 407M, 415M
(2) Type: Standard (with tie rod), B: Backstop Cam Clutch (with tie rod) , F: Flange Mount (without tie rod)
(3) Nominal Reduction Ratio
(4) Output Shaft Style: S = Straight, T = Taper Bush
(5) Output Shaft Bore Diameters
(6) Cam Clutch Rotation Direction (*Indicated only for B type): L = Left-Hand Output Shaft Rotation, R = Right-Hand Output Shaft Rotation
List of Models
S・F Type
| Output Shaft/Size | 100 | 103 | 107 | 115 | 203 | 207 | 215 | 307 | 315 | 407M | 415M | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Single Reduction | Hollow Shaft | Standard products | Standard products | Standard products | Standard products | Standard products | Standard products | Standard products | Standard products | Standard products | － | － |
| Taper Bush | － | － | Standard products | Standard products | Standard products | Standard products | Standard products | Standard products | Standard products | － | － | |
| Hollow Power Lock | Made-to-order products | Made-to-order products | Made-to-order products | Made-to-order products | Made-to-order products | Made-to-order products | Made-to-order products | Made-to-order products | Made-to-order products | － | － | |
| Double Reduction | Hollow Shaft | Standard products | Standard products | Standard products | Standard products | Standard products | Standard products | Standard products | Standard products | Standard products | Standard products | Standard products |
| Hollow Taper Bush | － | － | Standard products | Standard products | Standard products | Standard products | Standard products | Standard products | Standard products | Made-to-order products | Made-to-order products | |
| Hollow Power Lock | Made-to-order products | Made-to-order products | Made-to-order products | Made-to-order products | Made-to-order products | Made-to-order products | Made-to-order products | Made-to-order products | Made-to-order products | Made-to-order products | Made-to-order products | |
Note1: Type B includes only double reduction, Size 107-415M.
Note2: Hollow Power Lock is made-to-order product that uses Power Lock,Tsubaki Locking Device.
B Type
| Output Shaft/Size | 107 | 115 | 203 | 207 | 215 | 307 | 315 | 407M | 415M | |
|---|---|---|---|---|---|---|---|---|---|---|
| Double Reduction | Hollow Shaft | Standard products | Standard products | Standard products | Standard products | Standard products | Standard products | Standard products | Standard products | Standard products |
| Taper Bush | Standard products | Standard products | Standard products | Standard products | Standard products | Standard products | Standard products | Made-to-order products | Made-to-order products | |
| Hollow Power Lock | Made-to-order products | Made-to-order products | Made-to-order products | Made-to-order products | Made-to-order products | Made-to-order products | Made-to-order products | Made-to-order products | Made-to-order products | |
Reduction Ratios
| Size | SM100 to 315 | SM407 to 415 |
|---|---|---|
| Nominal reduction ratio | 5, 12, 15, 20, 25 | 15, 25 |
For B type of SM107 to 315, 1/12, 1/15, 1/20, and 1/25 only.
Output Shaft Bore Diameters
| Bore Dia./Type | SM 100 |
SM 103 |
SM 107 |
SM 115 |
SM 203 |
SM 207 |
SM 215 |
SM 307 |
SM 315 |
SM 407 |
SM 415 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 25 | Straight Shaft | ||||||||||
| 30 | Straight Shaft | Taper Bush | |||||||||
| 35 | Straight Shaft | Taper Bush | Taper Bush | ||||||||
| 40 | Straight Shaft/ Taper Bush |
Taper Bush | |||||||||
| 45 | Straight Shaft/ Taper Bush |
Taper Bush | |||||||||
| 50 | Taper Bush | ||||||||||
| 55 | Straight Shaft/ Taper Bush |
Taper Bush | |||||||||
| 60 | Taper Bush | ||||||||||
| 65 | Straight Shaft/ Taper Bush |
Taper Bush | |||||||||
| 70 | Taper Bush | ||||||||||
| 75 | Straight Shaft/ Taper Bush |
Taper Bush | |||||||||
| 80 | Taper Bush | ||||||||||
| 85 | Straight Shaft/ Taper Bush |
Taper Bush | |||||||||
| 90 | Taper Bush | ||||||||||
| 95 | Straight Shaft/ Taper Bush |
||||||||||
| 110 | Taper Bush | ||||||||||
| 120 | Taper Bush |
- SM100 and 103 are always straight shaft types.
- SM407 to 415 are always taper bush types.
