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Product DetailSpecification/Dimensions
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Number of Teeth(T)
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Shaft Bore Dia. d(mm)
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Type
- Pilot Bore Type
- Shaft Bore Machined Type
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Bore Specification
- N (New JIS Key + Threaded Hole)
- S (Through Hole)
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type
- C-SPB20B
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Shaft Type
- Standard Pilot Bore
- Shaft Bore Machining Configurable
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CAD
- 2D
- 3D
Days to Ship
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- All
- 18 Day(s) or Less
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Sprockets Nominal No.20B
- Volume Discount
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Brand :
MiSUMi Economy
Part Number :
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- Starting From :
- 2,014₹/Unit
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Product DetailProduct Overview of Sprockets
■ Sprockets is a solid or spoked gear that engages with a roller chain to transfer motion or power.
Application of Sprockets: It is widely used in mechanical transmission in chemical industry, textile machinery, food processing, instrumentation,and petroleum
■ Only Sprockets and chains of the same specifications can be used in combination.
This series is ANSI 20B Sprockets, and can be used in combination with our 50 series chain.
■ Do not use it with ISO/ANSI 20A series chain, which may cause the chain Sprockets mechanism to fail to function properly!
Please note that some yellow anti-rust oil may be adhered on the surface of the delivered Sprockets, which does not affect the use and can be cleaned by yourself.
■ Due to process reasons, it is impossible to guarantee the coincidence of the tooth tops of multiple Sprockets. If you need to use the tooth tops in an overlapping manner, please contact us.
Application of Sprockets: It is widely used in mechanical transmission in chemical industry, textile machinery, food processing, instrumentation,and petroleum
■ Only Sprockets and chains of the same specifications can be used in combination.
This series is ANSI 20B Sprockets, and can be used in combination with our 50 series chain.
■ Do not use it with ISO/ANSI 20A series chain, which may cause the chain Sprockets mechanism to fail to function properly!
Please note that some yellow anti-rust oil may be adhered on the surface of the delivered Sprockets, which does not affect the use and can be cleaned by yourself.
■ Due to process reasons, it is impossible to guarantee the coincidence of the tooth tops of multiple Sprockets. If you need to use the tooth tops in an overlapping manner, please contact us.
Product Features of Sprockets
■ Compared with gear drive and belt drive, Sprockets chain drive has the following characteristics:
1. Sprockets, Multi-tooth load-bearing, safe and reliable;
2. Sprockets, Flexible transmission, absorbing shock and vibration;
3. Sprockets, Large center distance range, low manufacturing and installation accuracy requirements;
4. Sprockets, Compared with belt transmission, the transmission ratio is more accurate and the transmission efficiency is higher. It is suitable for the harsh environment of high temperature, dust and humidity.
■ Sprockets, chain selection
Misumi’s Sprockets and chain product selection supports the principle of “Nominal Numbering”
1. Sprockets, Multi-tooth load-bearing, safe and reliable;
2. Sprockets, Flexible transmission, absorbing shock and vibration;
3. Sprockets, Large center distance range, low manufacturing and installation accuracy requirements;
4. Sprockets, Compared with belt transmission, the transmission ratio is more accurate and the transmission efficiency is higher. It is suitable for the harsh environment of high temperature, dust and humidity.
■ Sprockets, chain selection
Misumi’s Sprockets and chain product selection supports the principle of “Nominal Numbering”
Dimensional Drawing of Sprockets
External Dimensions (Unit: mm)
Sprockets processed by shaft hole and keyway. * This product is B series European Standard Sprockets, and can not be used in combination with American Standard 20A series Sprockets.
■ A single package label may not match the ordered model. It is a factory-managed model. Please note that the outer package label shall prevail!
■ The engraving of Sprockets body may be different from the ordered model, please check the engraving number.
* This product is 20B series European Standard Sprockets, and can not be used in combination with American Standard 20A series Sprockets.
Sprockets processed by shaft hole and keyway. * This product is B series European Standard Sprockets, and can not be used in combination with American Standard 20A series Sprockets.
■ A single package label may not match the ordered model. It is a factory-managed model. Please note that the outer package label shall prevail!
■ The engraving of Sprockets body may be different from the ordered model, please check the engraving number.
 Material |  Surface Treatment |  Attachments |
| Equivalent to S45C (Teeth Tip: Induction hardening) | － | Fixing Screw (Only Shaft Hole Specifications N) |
Specifications Overview of Sprockets
Specification Table
| Part Number | Shaft Hole Specifications | Shaft Hole Diameter (D) | Dp | D0 | H | L | ℓ | ||||||||
| Nominal Model | Hub type | Number of Teeth | S Specifications | N Specifications (H7) | |||||||||||
| 20 | B | 10 | S N | 20 | 25 | 30 | 102.74 | 117.0 | 70 | 40 | 10 | ||||
| 11 | 20 | 25 | 30 | 112.68 | 127.0 | 77 | 45 | 13 | |||||||
| 12 | 20 | 30 | 35 | 122.68 | 137.0 | 88 | |||||||||
| 13 | 20 | 30 | 35 | 40 | 132.65 | 147.5 | 98 | ||||||||
| 14 | 20 | 35 | 40 | 45 | 50 | 142.68 | 157.6 | 108 | |||||||
| 15 | 20 | 40 | 45 | 50 | 152.72 | 167.7 | 118 | ||||||||
| 16 | 20 | 40 | 45 | 50 | 162.75 | 177.7 | 120 | 50 | 15 | ||||||
| 17 | 25 | 45 | 50 | 172.78 | 187.8 | 120 | |||||||||
| 18 | 25 | 45 | 50 | 182.85 | 197.8 | 120 | |||||||||
| 19 | 25 | 45 | 50 | 192.91 | 207.9 | 120 | |||||||||
| 20 | 25 | 45 | 50 | 202.98 | 217.9 | 120 | |||||||||
■ Shaft Hole Machining Size Table
| Shaft Hole Diameter D | Keyway b2×t2 | Fixing Screw M |
| 25~30 | 8×3.3 | 8 |
| 32~38 | 10×3.3 | 8 |
| 40·42 | 12×3.3 | 8 |
| 45·50 | 14×3.8 | 10 |
Usage Method of Sprockets
Example Use of Sprockets
Precautions of Sprockets
■ Sprockets maintenance
1. Sprockets tightness should be suitable. If it is too tight, it will increase power consumption, and bearing is easy to wear; if it is too loose, the Sprockets is easy to beat and fall off the chain.
The degree of tightness of the Sprockets is: if lifted up or pressed down from the middle of the Sprockets, the center distance between the two Sprockets is about 2%-3%.
2. The Sprockets shall be installed on shaft without swing and skew.
The end faces of the two Sprockets in the same transmission assembly should be in the same plane. When the center distance of the Sprockets is less than 0.5 m, the deviation can be 1 mm;
When the center distance of the Sprockets is more than 0.5 m, the deviation can be 2 mm. But there shall be no friction on Sprockets tooth side. Integral offset.
If the offset is too large, chain is prone to fall off and wear is likely to accelerate. When replacing the Sprockets, you must pay attention to check and adjust the offset
3. After the Sprockets is severely worn, the new Sprockets and the new chain should be replaced at the same time to ensure good meshing.
You cannot replace new Sprockets separately. Otherwise, it will cause bad engagement and accelerate the wear of new Sprockets.
If the tooth surface of the Sprockets is worn to a certain degree, it should be turned over in time (the Sprockets used with adjustable surface) to extend the life time.
4. If the new Sprockets is too long or elongated after use, and difficult to adjust, you can remove the link, but the number of the links must be even.
The link should pass through the back of the Sprockets with the lock piece being inserted outside, and the opening of the lock piece should be in the opposite direction of the turning.
5. Lubricating oil should be timely filled when Sprockets are working. Lubricating oil must enter the matching clearance between the roller and the inner sleeve to improve working conditions and reduce wear.
6. The old Sprockets cannot be mixed with part of the new Sprockets, and should be replaced as a complete set, otherwise it is easy to produce impact in the transmission. Separate replacement of Sprockets will increase wear.
1. Sprockets tightness should be suitable. If it is too tight, it will increase power consumption, and bearing is easy to wear; if it is too loose, the Sprockets is easy to beat and fall off the chain.
The degree of tightness of the Sprockets is: if lifted up or pressed down from the middle of the Sprockets, the center distance between the two Sprockets is about 2%-3%.
2. The Sprockets shall be installed on shaft without swing and skew.
The end faces of the two Sprockets in the same transmission assembly should be in the same plane. When the center distance of the Sprockets is less than 0.5 m, the deviation can be 1 mm;
When the center distance of the Sprockets is more than 0.5 m, the deviation can be 2 mm. But there shall be no friction on Sprockets tooth side. Integral offset.
If the offset is too large, chain is prone to fall off and wear is likely to accelerate. When replacing the Sprockets, you must pay attention to check and adjust the offset
3. After the Sprockets is severely worn, the new Sprockets and the new chain should be replaced at the same time to ensure good meshing.
You cannot replace new Sprockets separately. Otherwise, it will cause bad engagement and accelerate the wear of new Sprockets.
If the tooth surface of the Sprockets is worn to a certain degree, it should be turned over in time (the Sprockets used with adjustable surface) to extend the life time.
4. If the new Sprockets is too long or elongated after use, and difficult to adjust, you can remove the link, but the number of the links must be even.
The link should pass through the back of the Sprockets with the lock piece being inserted outside, and the opening of the lock piece should be in the opposite direction of the turning.
5. Lubricating oil should be timely filled when Sprockets are working. Lubricating oil must enter the matching clearance between the roller and the inner sleeve to improve working conditions and reduce wear.
6. The old Sprockets cannot be mixed with part of the new Sprockets, and should be replaced as a complete set, otherwise it is easy to produce impact in the transmission. Separate replacement of Sprockets will increase wear.
Part Number
- Incomplete part number.
Please use left hand selections to complete a part number.
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| Part Number | Price | Minimum Order Qty. | Volume Discount | Days to Ship | RoHS | Number of Teeth (T) | Shaft Bore Dia. d (mm) | Type | Shaft Type | Bore Specification |
|---|---|---|---|---|---|---|---|---|---|---|
₹ 2,387.00 | 1 Piece(s) | Available | 18 Day(s) | 10 | 10 | 25 | Shaft Bore Machined Type | Shaft Bore Machining Configurable | N (New JIS Key + Threaded Hole) | |
₹ 2,387.00 | 1 Piece(s) | Available | 18 Day(s) | 10 | 10 | 30 | Shaft Bore Machined Type | Shaft Bore Machining Configurable | N (New JIS Key + Threaded Hole) | |
₹ 2,847.00 | 1 Piece(s) | Available | 18 Day(s) | 10 | 11 | 25 | Shaft Bore Machined Type | Shaft Bore Machining Configurable | N (New JIS Key + Threaded Hole) | |
₹ 2,847.00 | 1 Piece(s) | Available | 18 Day(s) | 10 | 11 | 30 | Shaft Bore Machined Type | Shaft Bore Machining Configurable | N (New JIS Key + Threaded Hole) | |
₹ 3,397.00 | 1 Piece(s) | Available | 18 Day(s) | 10 | 12 | 30 | Shaft Bore Machined Type | Shaft Bore Machining Configurable | N (New JIS Key + Threaded Hole) | |
₹ 3,397.00 | 1 Piece(s) | Available | 18 Day(s) | 10 | 12 | 35 | Shaft Bore Machined Type | Shaft Bore Machining Configurable | N (New JIS Key + Threaded Hole) | |
₹ 3,901.00 | 1 Piece(s) | Available | 18 Day(s) | 10 | 13 | 30 | Shaft Bore Machined Type | Shaft Bore Machining Configurable | N (New JIS Key + Threaded Hole) | |
₹ 3,901.00 | 1 Piece(s) | Available | 18 Day(s) | 10 | 13 | 35 | Shaft Bore Machined Type | Shaft Bore Machining Configurable | N (New JIS Key + Threaded Hole) | |
₹ 3,901.00 | 1 Piece(s) | Available | 18 Day(s) | 10 | 13 | 40 | Shaft Bore Machined Type | Shaft Bore Machining Configurable | N (New JIS Key + Threaded Hole) | |
₹ 5,949.00 | 1 Piece(s) | Available | 18 Day(s) | 10 | 16 | 40 | Shaft Bore Machined Type | Shaft Bore Machining Configurable | N (New JIS Key + Threaded Hole) | |
₹ 5,949.00 | 1 Piece(s) | Available | 18 Day(s) | 10 | 16 | 45 | Shaft Bore Machined Type | Shaft Bore Machining Configurable | N (New JIS Key + Threaded Hole) | |
₹ 5,949.00 | 1 Piece(s) | Available | 18 Day(s) | 10 | 16 | 50 | Shaft Bore Machined Type | Shaft Bore Machining Configurable | N (New JIS Key + Threaded Hole) | |
₹ 6,724.00 | 1 Piece(s) | Available | 18 Day(s) | 10 | 18 | 45 | Shaft Bore Machined Type | Shaft Bore Machining Configurable | N (New JIS Key + Threaded Hole) | |
₹ 6,724.00 | 1 Piece(s) | Available | 18 Day(s) | 10 | 18 | 50 | Shaft Bore Machined Type | Shaft Bore Machining Configurable | N (New JIS Key + Threaded Hole) | |
₹ 7,294.00 | 1 Piece(s) | Available | 18 Day(s) | 10 | 19 | 45 | Shaft Bore Machined Type | Shaft Bore Machining Configurable | N (New JIS Key + Threaded Hole) | |
₹ 7,294.00 | 1 Piece(s) | Available | 18 Day(s) | 10 | 19 | 50 | Shaft Bore Machined Type | Shaft Bore Machining Configurable | N (New JIS Key + Threaded Hole) | |
₹ 7,731.00 | 1 Piece(s) | Available | 18 Day(s) | 10 | 20 | 45 | Shaft Bore Machined Type | Shaft Bore Machining Configurable | N (New JIS Key + Threaded Hole) | |
₹ 7,731.00 | 1 Piece(s) | Available | 18 Day(s) | 10 | 20 | 50 | Shaft Bore Machined Type | Shaft Bore Machining Configurable | N (New JIS Key + Threaded Hole) |
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Dimensional Drawing
External Dimensions (Unit: mm)
Sprockets processed by shaft hole and keyway. * This product is B series European Standard sprocket, and can not be used in combination with American Standard 20A series sprocket.
■ A single package label may not match the ordered model. It is a factory-managed model. Please note that the outer package label shall prevail!
■ The engraving of sprocket body may be different from the ordered model, please check the engraving number.
* This product is 20B series European Standard sprocket, and can not be used in combination with American Standard 20A series sprocket.
Sprockets processed by shaft hole and keyway. * This product is B series European Standard sprocket, and can not be used in combination with American Standard 20A series sprocket.
■ A single package label may not match the ordered model. It is a factory-managed model. Please note that the outer package label shall prevail!
■ The engraving of sprocket body may be different from the ordered model, please check the engraving number.
 Material |  Surface Treatment |  Attachments |
| Equivalent to S45C (Teeth Tip: Induction hardening) | － | Fixing Screw (Only Shaft Hole Specifications N) |
Specification Table
Specification Table
| Part Number | Shaft Hole Specifications | Shaft Hole Diameter (D) | Dp | D0 | H | L | ℓ | ||||||||
| Nominal Model | Hub type | Number of Teeth | S Specifications | N Specifications (H7) | |||||||||||
| 20 | B | 10 | S N | 20 | 25 | 30 | 102.74 | 117.0 | 70 | 40 | 10 | ||||
| 11 | 20 | 25 | 30 | 112.68 | 127.0 | 77 | 45 | 13 | |||||||
| 12 | 20 | 30 | 35 | 122.68 | 137.0 | 88 | |||||||||
| 13 | 20 | 30 | 35 | 40 | 132.65 | 147.5 | 98 | ||||||||
| 16 | 20 | 40 | 45 | 50 | 162.75 | 177.7 | 120 | 50 | 15 | ||||||
| 18 | 25 | 45 | 50 | 182.85 | 197.8 | 120 | |||||||||
| 19 | 25 | 45 | 50 | 192.91 | 207.9 | 120 | |||||||||
| 20 | 25 | 45 | 50 | 202.98 | 217.9 | 120 | |||||||||
■ Shaft Hole Machining Size Table
| Shaft Hole Diameter D | Keyway b2×t2 | Fixing Screw M |
| 25~30 | 8×3.3 | 6 |
| 32~38 | 10×3.3 | 8 |
| 40·42 | 12×3.3 | 10 |
| 45·50 | 14×3.8 | 12 |
Basic Information
| Sprocket Shape | Shape B | Nominal Number | 20 | Number of Strands | 1 |
|---|---|---|---|---|---|
| Material | S45C | Surface Treatment | Not Provided |
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
Frequently asked question (FAQ)
- Question: I bought MISUMI chains, but why can't I use them on my original sprocket?
- Answer: Please confirm the specifications of the original sprocket and chain. Specification series number may not match. In addition, there are two specifications: A series and B series in China. The two specifications of sprocket chain are not universal.
- Question: Does the sprocket need routine maintenance after installation and use?
- Answer: The chain needs regular maintenance after installation and use. These include daily lubricant application, confirmation of chain slack. After the sprocket is severely worn, the new sprocket and the new chain should be replaced at the same time to ensure good meshing.
- Question: I need to use two overlapped sprockets, I want the tooth top direction to be consistent, is it possible?
- Answer: Due to process reasons, it is impossible to guarantee the overlapping of the tooth tops of several sprockets. If the tooth tops are required to be overlapped, please contact our company or indicate on the order (the tooth tops need to be overlapped)
- Question: The engraving on the sprocket does not match the packaged model, is it shipped wrongly?
- Answer: The product model is subject to the label on the shipping bag and the actual size. The engraving is only the factory management number of the sprocket product during processing, and is not directly associated with the product model.
Payment Method
- Credit Card
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- Debit Cart
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- Net Banking
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- UPI
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- Cheque on delivery
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- Online payment
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