Sprockets and Idler Wheels for 820-831-LBP831 Chain
Plastic sprockets are commonly used as an alternative to metal sprockets in power transmission and roller chain applications. Manufactured from cast oil-filled nylon, they offer a wide range of benefits over traditional metal counterparts, such as self-lubricating properties and a reduced coefficient of friction. This helps reduce wear on the plastic chain and noise levels of the application. Other benefits include better resistance to corrosion, increased impact strength, and lighter weight than metal alternatives. Split sprockets can also be supplied for applications whereby the machinery is not able to be dismantled. They are provided in two halves and can be assembled around the installation, removing the need for equipment to be taken apart.
Sprockets and Idler Wheels for 820-831-LBP831 Chain
Plastic sprockets(831 Chain Idler Sprockets) are commonly used as an alternative to metal sprockets in power transmission and roller chain applications. Manufactured from cast oil-filled nylon, they offer a wide range of benefits over traditional metal counterparts, such as self-lubricating properties and a reduced coefficient of friction. This helps reduce wear on the plastic chain and noise levels of the application. Other benefits include better resistance to corrosion, increased impact strength, and lighter weight than metal alternatives. Split sprockets can also be supplied for applications whereby the machinery is not able to be dismantled. They are provided in two halves and can be assembled around the installation, removing the need for equipment to be taken apart.
Plastic Sprocket Types:
The standard styles of a plastic roller chain sprocket are A-plate style, meaning there is no hub on either side of the sprocket, B-hub style, which has a hub on one side, and C-hub style, which has a hub on two sides.
Standard bore styles for plastic sprockets are a stock bore, a plain unfinished hole in the center of the sprockets. The finished bore is a specific bore size that includes a key-way and two stainless steel set screws. Idler sprocket, which we can supply bearing idler plastic sprockets, bronze bore idler sprockets, or plain bore style, advise the shaft size, and we provide the bore with proper clearance to idle on the shaft.
(1) 831 Chain Idler Sprockets
Product Specifications
| CODE | Z | Do mm | DF mm |
| G22021 | 21 | 129 | 25/30/35/40 |
| G22023 | 23 | 142 | 25/30/35/40 |
| G22025 | 25 | 154 | 25/30/35/40 |
Product Specifications
| CODE | Z | Do mm | DF mm |
| G23021 | 21 | 129 | 25/30/35/40 |
| G23023 | 23 | 142 | 25/30/35/40 |
| G23025 | 25 | 154 | 25/30/35/40 |
Product Specifications (Split Sprockets)
| CODE | Z | Do mm | DF mm |
| G24017-1 | 17 | 104 | 25/30/35/40 |
| G24019-1 | 19 | 117 | 25/30/35/40 |
| G24021-1 | 21 | 129 | 25/30/35/40 |
| G24023-1 | 23 | 142 | 25/30/35/40 |
| G24025-1 | 25 | 154 | 25/30/35/40 |
| G24027-1 | 27 | 166.8 | 25/30/35/40 |
| G24029-1 | 29 | 178.5 | 25/30/35/40 |
Product Specifications (Single-Piece Sprockets)
| CODE | Z | Do mm | DF mm |
| G24017-2 | 17 | 104 | 25/30/35/40 |
| G24019-2 | 19 | 117 | 25/30/35/40 |
| G24021-2 | 21 | 129 | 25/30/35/40 |
| G24023-2 | 23 | 142 | 25/30/35/40 |
| G24025-2 | 25 | 154 | 25/30/35/40 |
| G24027-2 | 27 | 166.8 | 25/30/35/40 |
| G24029-2 | 29 | 178.5 | 25/30/35/40 |
(2) Idler Wheels for 820-831-LBP831 Chain
Product Specifications (Split Idler Wheels)
| CODE | Z | Do mm | DF mm |
| G25019-ID | 19 | 117 | 25/30/35/40 |
| G25021-ID | 21 | 129 | 25/30/35/40 |
| G25023-ID | 23 | 142 | 25/30/35/40 |
| G25025-ID | 25 | 154 | 25/30/35/40 |
Product Specifications (Single-Piece Idler Wheels)
| CODE | Z | Do mm | DF mm |
| G26019-ID | 19 | 117 | 25/30/35/40 |
| G26021-ID | 21 | 129 | 25/30/35/40 |
| G26023-ID | 23 | 142 | 25/30/35/40 |
| G26025-ID | 25 | 154 | 25/30/35/40 |
Product Specifications (Split Idler Wheels)
| CODE | Z | Do mm | DF mm |
| G27017-ID-1 | 17 | 104 | 25/30/35/40 |
| G27019-ID-1 | 19 | 117 | 25/30/35/40 |
| G27021-ID-1 | 21 | 129 | 25/30/35/40 |
| G27023-ID-1 | 23 | 142 | 25/30/35/40 |
| G27025-ID-1 | 25 | 154 | 25/30/35/40 |
| G27027-ID-1 | 27 | 166.8 | 25/30/35/40 |
| G27029-ID-1 | 29 | 178.5 | 25/30/35/40 |
Product Specifications (Single-Piece Idler Wheels)
| CODE | Z | Do mm | DF mm |
| G27017-ID-2 | 17 | 104 | 25/30/35/40 |
| G27019-ID-2 | 19 | 117 | 25/30/35/40 |
| G27021-ID-2 | 21 | 129 | 25/30/35/40 |
| G27023-ID-2 | 23 | 142 | 25/30/35/40 |
| G27025-ID-2 | 25 | 154 | 25/30/35/40 |
| G27027-ID-2 | 27 | 166.8 | 25/30/35/40 |
| G27029-ID-2 | 29 | 178.5 | 25/30/35/40 |
Plastic Sprockets Key Features
- Self-lubricating grade, negating the need for additional lubricants.
- Lower coefficient of friction and increased wear resistance compared to metal parts.
- Good corrosion resistance.
- High impact strength.
- Lighter weight than metal parts.
- Reduced noise levels during operation than metal parts.
- Split sprockets can be manufactured up to 400mm in diameter.
Why Choose Plastic Sprockets?
Plastics combine the strength of steel with the lightness of aluminum. Plastic sprockets are lightweight, easy to clean, durable, and offer excellent wear resistance. This provides manufacturers of food handling equipment with a reliable and versatile component for various food preparation and transportation systems. Compared to metal sprockets, plastic sprockets create less wear on the chain, hold up to cleaning solutions better than carbon steel, and are more economical than stainless steel. To learn more about the different types of sprockets. Other plastic components for food industry systems and applications, please get in touch with us.
Besides Plastic Sprockets, We Also Can Supply the Accompanying Lf831 Single Hinge Straight Running Chain(link).
Finding Your Ideal Chain and Sprocket
Do you need a sprocket but aren’t sure exactly what you need? This common problem is one that our professionals hear about every week. We excel at working with you to ensure that you get the roller chain sprocket. And, conveyor chain sprocket that will keep your project or machinery moving again.
Sprockets are available for various uses, from forestry to agriculture and everything in between. It’s equally as important to select the correct sprocket. It is to use the proper chain — a mismatch can be catastrophic, causing damage to expensive machinery and even dangerous accidents. We help you find the right pairing.
Packing Shipping Delivery
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How to choose power transmissions parts and industrial products which meet our requirement
| Chains | Sprockets | Pulleys | Timing belt Pulley | V-belt Pulley |
| Sheaves | Coupings | Bush &Hub | Gear& Rack | V-Belt |
| Locking Assembly | Pulley | Gearbox | Reducer | Shaft Collar |
| Rod End Bearing | Clevis | PTO | Chain Guide | Belt Guide |
| Rubber Buffer | Chain Tensioner | PTO Drive Shafts | Universal Joints | Roller Chains |
| Conveyor Chains | V-Belts | Worm Gearbox | Helical Gear | Worm |
| Agricultural Chain | CNC Proces Parts | Casting | Stamping | |
| Powder Metallurgy | CNC Proces Parts | Casting | Stamping |
What Products Do you sell ?
We are a group of factories, give customer one stop solution of power transmission and industrial products. We are in the position to supply wide range of products, including chains, sprockets, v-belt and v-belt pulleys, timing belt and timing belt pulleys, gears, speed reducers, motors, racks, couplings, and many other parts, like locking assembly, taper bushing, Chain guide, shaft collar, torque limiter, cam clutch, universal joint, motor base and motor slide, rod end, clevis, rubber mount, etc. We make special parts according to drawings and/or samples.
How to choose a gearbox which meets our requirement?
You can refer to our catalogue to choose the gearbox or we can help to choose when you provide
the technical information of required output torque, output speed and motor parameter etc.
What information shall we give before placing a purchase order?
a) Type of the gearbox, ratio, input and output type, input flange, mounting position, and motor informationetc.
b) Housing color.
c) Purchase quantity.
d) Other special requirements.
What industries are your gearboxes being used?
Our gearboxes are widely used in the areas of textile, food processing, beverage, chemical industry,
escalator,automatic storage equipment, metallurgy, tabacco, environmental protection, logistics and etc.
What is the producing process?
Production process including raw material cutting, machine processing, grinding, accessories cleaning, assemble, cleaning, stoving, oil coating, cover pressing, testing, package.
How to control the products quality?
Combining advanced equipment and strict management, we provide high standard and quality bearings for our customers all over the world.
What is the transportation?
-If small quantity , we Suggest to send by express, such as DHL,UPS, TNT FEDEX. If large amount, by air or sea shipping.
Can we design packaging?
-Yes. Default is regular packing, and we can make customer's own packing.
Can you provide OEM service?
-Yes, we work on OEM orders. Which means size, quantity, design, packing solution, etc will depend on your requests; and your logo will be customized on our products.
Can you give me discount on Power Transmissions Parts and Industrial parts?
-Yes, of course. Pls. send me your Email, you'll get more
Q: Are You a trading company or a manufacturer?
A: We Are the factory and have our Own trading company
Q: How Can I get an offer?
A: please send US quotation information: drawings, materials, weight, quantity and requirements, we can accept PDF, ISGS, DWG, STEP file format. If you don't have the drawings, please send us the samples, we can also quote you according to your samples.
Q: What is your minimum order size?
A: it is usually 100 pieces, but a low quantity is acceptable under some special circumstances.
Q: Do you provide samples? Is it free or extra?
A: Yes, we can provide samples free of charge, but we don't pay the freight.
Q: What is the lead time for mass production?
A: honestly, it depends on the number of orders. Normally, if you don't need the tools, deposit them after 30 days or so.
Q: What if the parts don't Work?
A: we can guarantee the quality, but if it happens, please contact us immediately, take some photos, we will check the problem and solve it as soon as possible.
Q: What are your terms of payment?
A: payment is less than US $1000,100% in advance. Payment: $1000,50% wire transfer in advance, balance before shipment,Other Terms of payment are negotiable
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