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J Series SSA Spur Gear (SSA4-25J40)
This is a lightweight better shape spur gear obtained by cutting SS spur gear boss part. Finished J and F series products are also available.
(i)Caution
- The product images are representative only. Please refer to the manufacturer's catalog for shape details.
Japanese Only
Part Number
Configured Part Number is shown.
SSA4-25J40
Drawing
S5
Product Specifications
Product Specifications
- Accuracy class: JIS N8 class (JIS B 1702-1:1998)
- Tooth profile: Full depth tooth
- Pressure angle: 20°
- Materials: S45C
- Tooth surface hardness: (194HB or lower)
- Surface Treatment: Black oxide coating
* The J series is "equivalent" to the stated accuracy class.
Keyway
- The keyway adopts the normal type (Js9) of JIS B 1301.
- Holes and keyways are not re-treated with black oxide coating after machining.
| Hole diameter (H7) | Keyway (Js9) |
|---|---|
| 10 | 4 × 1.8 |
| 12 | |
| 14 | 5 × 2.3 |
| 15 | |
| 16 | |
| 17 | |
| 18 | 6 × 2.8 |
| 19 | |
| 20 | |
| 22 | |
| 25 | 8 × 3.3 |
| 28 | |
| 30 |
| Hole diameter (H7) | Keyway (Js9) |
|---|---|
| 32 | 10 × 3.3 |
| 35 | |
| 40 | 12 × 3.3 |
| 45 | 14 × 3.8 |
| 50 | |
| 55 | 16 × 4.3 |
| 60 | 18 × 4.4 |
| 65 | |
| 70 | 20 × 4.9 |
| 75 | |
| 80 | 22 × 5.4 |
Product Specifications
[Module 2, 2.5, 3]
| Part number | Module | Number of teeth | Shape | Hole diameter | Reference circle Diameter | Tooth tip circle Diameter | Tooth width | Allowable torque (N⋅m) | Allowable torque (kgf⋅m) | Backlash (mm) | Weight (kg) | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AH7 | C | D | E | Flexural Strength | Tooth Surface Strength | Flexural Strength | Tooth Surface Strength | ||||||
| SSA2-15 | m2 | 15 | S5 | 10 | 30 | 34 | 20 | 29.6 | 1.48 | 3.01 | 0.15 | 0.12 to 0.26 | 0.099 |
| SSA2-18 | 18 | 36 | 40 | 39.3 | 2.23 | 4.01 | 0.23 | 0.15 | |||||
| SSA2.5-15 | m2.5 | 15 | 12 | 37.5 | 42.5 | 25 | 57.7 | 2.96 | 5.89 | 0.30 | 0.14 to 0.28 | 0.19 | |
| SSA2.5-18 | 18 | 45 | 50 | 76.7 | 4.47 | 7.82 | 0.46 | 0.29 | |||||
| SSA3-15 | — | 15 | 45 | 51 | 30 | 99.7 | 5.22 | 10.2 | 0.53 | 0.14 to 0.32 | 0.35 | ||
| SSA3-18 | 18 | 54 | 60 | 133 | 7.87 | 13.5 | 0.80 | 0.51 | |||||
[Module 4, 5]
[Precautions Related to Product Characteristics]
- Allowable torque shown is a reference value calculated under arbitrary use conditions.
- The stated backlash is the backlash in the normal direction and assumes that parts from the same dies are assembled under the theoretical values.
Cautions/prohibitions
Precautions for alteration
- Please pay attention to safety when altering products.
- Avoid narrowing down the tooth width because it affects the accuracy and strength of the gear.
| Part Number |
|---|
| SSA4-25J40 |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | RoHS | Hole diameter, Shaft diameter (Ø) | Number of Teeth (Teeth) | Module | Tooth Width (mm) | Keyway (width × depth) (mm) |
|---|---|---|---|---|---|---|---|---|---|---|
SGD 127.50 | 1 Piece(s) | 10 Day(s) | - | 40 | 25 | 4 | 40 | 12X3.3 |
Loading...
Basic Information
| Gear Shape | Shape A | Material | Steel | Surface Treatment | Black oxide finish |
|---|---|---|---|---|---|
| Heat Treatment | No | Ground Tooth | Milled | Bearing | No |
| Backlash | Presence | Shaft Bore Tolerance | H7 | Accuracy Grade(Old JIS) | N8 |
| Shaft Bore Config. | Keyway | Material (Details) | S45C |
Please check the type/dimensions/specifications of the part SSA4-25J40 in the J Series SSA Spur Gear series.
Specification/Dimensions
-
type
- SSA
-
Hole diameter, Shaft diameter(Ø)
-
Number of Teeth(Teeth)
-
Module
-
Tooth Width(mm)
-
Keyway (width × depth)(mm)
- 4X1.8
- 5X2.3
- 6X2.8
- 8X3.3
- 10X3.3
- 12X3.3
- 14X3.8
- 16X4.3
- 18X4.4
- 20X4.9
- 22X5.4
-
CAD
- 2D
- 3D
Days to Ship
-
- All
- 10 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 .
Similar Part Numbers
| Part Number |
|---|
| SSA2-18J12 |
| SSA2-18J14 |
| SSA2-18J15 |
| SSA4-25J45 |
| SSA4-28J25 |
| SSA4-28J28 |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | RoHS | Hole diameter, Shaft diameter (Ø) | Number of Teeth (Teeth) | Module | Tooth Width (mm) | Keyway (width × depth) (mm) |
|---|---|---|---|---|---|---|---|---|---|---|
SGD 46.62 | 1 Piece(s) | 10 Day(s) | 10 | 12 | 18 | 2 | 20 | 4X1.8 | ||
SGD 46.59 | 1 Piece(s) | 10 Day(s) | 10 | 14 | 18 | 2 | 20 | 5X2.3 | ||
SGD 46.56 | 1 Piece(s) | 10 Day(s) | 10 | 15 | 18 | 2 | 20 | 5X2.3 | ||
SGD 133.68 | 1 Piece(s) | 10 Day(s) | - | 45 | 25 | 4 | 40 | 14X3.8 | ||
SGD 125.52 | 1 Piece(s) | 10 Day(s) | - | 25 | 28 | 4 | 40 | 8X3.3 | ||
SGD 148.01 | 1 Piece(s) | 10 Day(s) | - | 28 | 28 | 4 | 40 | 8X3.3 |
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