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Idlers
An idler is a gear-shaped part that rotates as a chain moves. It is used in various machines, such as automobile engines, compressors, and power generators that transmit power using belts and chains. However, idlers themselves are idle gears that do not transmit power to gears or shafts. By using an idler, it is pos
An idler is a gear-shaped part that rotates as a chain moves. It is used in various machines, such as automobile engines, compressors, and power generators that transmit power using belts and chains. However, idlers themselves are idle gears that do not transmit power to gears or shafts. By using an idler, it is possible to maintain suitable transmission tension and stable movement. In addition, there are gear-shaped sprockets that transmit rotation, idler pins for fixing the idler with nuts and screws, tensioners for adjusting the slackness and friction of the chain, etc., and guide rollers for sliding doors. In particular, there are three types of sprockets: A type on a flat plate without a boss, B type with a boss on one side, and C type with a boss on both sides.
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Idler Sprockets - Single Bearing, Double Bearing
MISUMI
Sprockets with built-in bearings.
See here for tension units that use this product.- Volume Discount
Sprocket Shape Nominal Number No. of Teeth(T) Shaft Bore Dia. D(mm) Material Type No. of Tracks Chain Type Shaft Type Surface Treatment Shape C 25 ～ 80 9 ～ 25 6 ～ 20 Steel / Stainless Steel Idlers 1 Others Bearing Built-in, Single / Bearing Built-in, Double Not Provided / Black Oxide From: ₹ 749.00 Days to Ship: Same day or more 
Same day or more
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MISUMI
The Idlers which bearings are built-in on both sides of general purpose sprockets.
[Specifications]
· Material: S45C Equivalent (Induction Hardened Teeth Tip) / SUS304 Equivalent
· Surface Treatment: Black Oxide / None
· Bearing Accuracy : JIS B1514 Class 0- Volume Discount
Sprocket Shape Nominal Number No. of Teeth(T) Shaft Bore Dia. D(mm) Material Type No. of Tracks Chain Type Shaft Type Surface Treatment Shape B 35 ～ 60 10 ～ 32 10 ～ 35 Steel / Stainless Steel Idlers 1 Others Bearing Built-in, Double Not Provided / Black Oxide From: ₹ 2,558.44 Days to Ship: Same day or more
Same day or more
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You can add up to 6 items per a category to the compare list.
MISUMI
MISUMI's Small Idlers are designed for precision and reliability in rotational applications. These compact components are ideal for guiding and supporting belts, chains, and conveyors, ensuring smooth operation even in confined spaces.
Is suitable for use in portions where the serrations of the current sprocket are the most likely to interfere with those of the other sprocket.
Features
Material
•Steel – S45CSurface Treatment
•Black Oxide- Volume Discount
Sprocket Shape Nominal Number No. of Teeth(T) Shaft Bore Dia. D(mm) Material Type No. of Tracks Chain Type Shaft Type Surface Treatment Shape C 35 ～ 60 - 6 ～ 15 Steel Idlers 1 Others Bearing Built-in, Single Black Oxide From: ₹ 1,948.05 Days to Ship: 8 Day(s) or more
8 Day(s) or more
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You can add up to 6 items per a category to the compare list.    | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.    | |
| Brand | MISUMI | MISUMI | MISUMI |
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| From | ₹ 749.00 | ₹ 2,558.44 | ₹ 1,948.05 |
| Days to Ship | Same day or more | Same day or more | 8 Day(s) or more |
| Sprocket Shape | Shape C | Shape B | Shape C |
| Nominal Number | 25 ～ 80 | 35 ～ 60 | 35 ～ 60 |
| No. of Teeth(T) | 9 ～ 25 | 10 ～ 32 | - |
| Shaft Bore Dia. D(mm) | 6 ～ 20 | 10 ～ 35 | 6 ～ 15 |
| Material | Steel / Stainless Steel | Steel / Stainless Steel | Steel |
| Type | Idlers | Idlers | Idlers |
| No. of Tracks | 1 | 1 | 1 |
| Chain Type | Others | Others | Others |
| Shaft Type | Bearing Built-in, Single / Bearing Built-in, Double | Bearing Built-in, Double | Bearing Built-in, Single |
| Surface Treatment | Not Provided / Black Oxide | Not Provided / Black Oxide | Black Oxide |
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Configure
Specification/Dimensions
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Nominal Number
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No. of Teeth(T)
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Shaft Bore Dia. D(mm)
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- Steel
- Stainless Steel
- Engineering Plastic
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Type
- Idlers
- Idler Pins
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No. of Tracks
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- 2
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Shaft Type
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Surface Treatment
Related Categories to Idlers
FAQ Idlers
- Question: What is an idler, and how does it work?
- Answer: An idler is a component used in various mechanical systems to maintain tension, guide, or support a belt, chain, or rope. It doesn't transmit power but helps in reducing friction and ensuring smooth motion by rotating freely. Idlers are commonly found in automotive systems, conveyor belts, and industrial machines.
- Question: What are the different types of idlers?
- Answer: There are several types of idlers, including:
• Roller idlers: These have cylindrical rollers that reduce friction and wear.
• Ball idlers: Similar to roller idlers but use ball bearings for even lower friction.
• Flanged idlers: These have flanges on either side to guide a belt or chain.
• Return idlers: Used in conveyor systems to return the belt or chain back to its starting point.
• Conveyor Idlers: Support the belt in conveyor systems.
• Tensioner Idlers: Help in maintaining proper tension in belts, particularly in automotive engines.
• Guide Idlers: Ensure that the belt or chain stays aligned.
• Flat Carry Idlers: Used in flat belt conveyor systems to support materials. - Question: Where are idlers commonly used?
- Answer: Idlers are found in various industries, including:
• Conveyor systems: To support and guide belts or chains.
• Power transmission systems: To change the direction of rotation or reduce friction in gears.
• Material handling equipment: To move and transport materials efficiently. - Question: What is the difference between a carrying idler and a return idler?
- Answer: A carrying idler supports the loaded side of a conveyor belt, while a return idler supports the empty side.
- Question: What is the purpose of a self-aligning idler?
- Answer: A self-aligning idler can compensate for slight misalignments in the conveyor belt or chain, reducing wear and tear.
- Question: What is the difference between an idler pulley and a tensioner pulley?
- Answer: An idler pulley helps guide the belt and maintains alignment, while a tensioner pulley actively applies pressure to keep the belt tight. Tensioner pulleys are spring-loaded or adjustable, whereas idler pulleys typically rotate freely without adjusting tension.
- Question: What factors should I consider when choosing an idler?
- Answer: When selecting an idler, consider the following:
• Material: Steel, aluminum, or plastic, depending on the load and environment.
• Size: Ensure the idler matches your system's belt or chain specifications.
• Load capacity: For conveyor systems, choose an idler capable of handling the weight of your materials.
• Speed rating: Ensure the idler can withstand the speed of your belt or chain.
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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