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Ring gear SIR (Part Numbers)
Ring-shaped internal gear. Useful in designs for large planetary gear mechanisms or speed ratios. Can also be used as gear for swivel mechanism.
Japanese Only
Part Number
Configured Part Number is shown.
SIR2-120
Basic Information
| Material | S45C | Diameter of Hub(φ) | Without hub | Shape | T1 |
|---|---|---|---|---|---|
| Length of Hub(mm) | No |
Please check the type/dimensions/specifications of the part SIR2-120 in the Ring gear SIR series.
Specification/Dimensions
-
type
- SIR
-
Tooth Width(mm)
- 20
- 25
- 30
-
O.D.(φ)
-
Module
- 2
- 2.5
- 3
-
The Number of Teeth
-
Backlash(mm)
- 0.17~0.37
- 0.19~0.41
- 0.20~0.41
- 0.22~0.45
- 0.22~0.46
-
CAD
- 2D
- 3D
Days to Ship
-
- All
- 5 Day(s) or Less
Specify Alterations
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
Frequently asked question (FAQ)
- Question: What is the hole diameter tolerance?
- Answer: The hole diameter tolerance is finished at H8, but as the ring shape is easily deformed, a certain amount of error may result.
Similar Part Numbers
| Part Number |
|---|
| SIR2-200 |
| SIR2.5-120 |
| SIR2.5-200 |
| SIR3-120 |
| SIR3-160 |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | RoHS | Tooth Width (mm) | O.D. (φ) | Module | The Number of Teeth | Backlash (mm) |
|---|---|---|---|---|---|---|---|---|---|---|
SGD 1,003.35 | 1 Piece(s) | 5 Day(s) or more | 10 | 20 | 446 | 2 | 200 | 0.20~0.41 | ||
SGD 591.76 | 1 Piece(s) | 5 Day(s) or more | 10 | 25 | 355 | 2.5 | 120 | 0.19~0.41 | ||
SGD 1,433.70 | 1 Piece(s) | 5 Day(s) or more | 10 | 25 | 555 | 2.5 | 200 | 0.22~0.46 | ||
SGD 1,074.98 | 1 Piece(s) | 5 Day(s) or more | 10 | 30 | 424 | 3 | 120 | 0.22~0.45 | ||
SGD 1,638.38 | 1 Piece(s) | 5 Day(s) or more | 10 | 30 | 544 | 3 | 160 | 0.22~0.45 |
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