The 81-57 Simplex Taper Lock Sprocket is a premium-quality 57-tooth roller chain sprocket designed for use with 81 Simplex (single-strand) roller chain. Precision engineered for strength, durability, and efficient power transmission, this sprocket is built to provide reliable performance in demanding industrial, agricultural, and commercial applications.
Designed to suit a 3020 taper lock bush, this sprocket offers quick installation, secure shaft mounting, and easy removal without the need for machining. The taper lock system ensures precise shaft alignment, dependable torque transmission, and reduced maintenance, making it an excellent choice for both OEM equipment and replacement machinery.
Manufactured to exact engineering standards, the sprocket features a 461.1 mm pitch diameter, 474 mm outside diameter, and a 484 mm diameter over chain, ensuring smooth chain engagement while reducing wear on both the chain and sprocket. Its Type 0 construction, combined with a 157 mm hub diameter and 50.8 mm overall length, provides exceptional strength and durability for heavy-duty industrial power transmission systems.
Suitable for conveyors, agricultural machinery, material handling systems, packaging equipment, food processing machinery, manufacturing plants, mining equipment, and other heavy-duty industrial drives, the 81-57 Simplex Taper Lock Sprocket delivers dependable operation, long service life, and efficient power transmission in the most demanding environments.
Features & Benefits
-
Precision-machined 57-tooth sprocket for 81 Simplex roller chain
-
Compatible with 3020 taper lock bushes
- Quick and easy installation and removal
- Secure and accurate shaft mounting
- Heavy-duty construction for demanding industrial applications
- Excellent wear resistance for extended service life
- Smooth and efficient power transmission
- Suitable for industrial, agricultural, and commercial machinery
- Ideal for OEM equipment and replacement parts
Technical Specifications
| Specification |
Value |
| Product |
81-57 Simplex Taper Lock Sprocket |
| Chain Size |
81 Simplex (Single Strand) |
| Number of Teeth |
57 |
| Pitch Diameter (dp) |
461.1 mm |
| Outside Diameter (de) |
474 mm |
| Diameter Over Chain (A) |
484 mm |
| Taper Lock Bush |
3020 |
| Type |
0 |
| Overall Length (L) |
50.8 mm |
| Hub Diameter (N) |
157 mm |
| B1 |
16.2 mm |
| B2 |
47.7 mm |
| B3 |
79.6 mm |
Applications
- Conveyor systems
- Agricultural machinery
- Material handling equipment
- Packaging machinery
- Food processing equipment
- Manufacturing and production machinery
- Mining and quarrying equipment
- Heavy-duty industrial power transmission systems
- OEM equipment and replacement parts
Order your 81-57 Simplex Taper Lock Sprocket today for reliable power transmission and long-lasting performance. Designed to suit a 3020 taper lock bush, it provides a secure, efficient, and durable solution for heavy-duty industrial drive applications.
Spend over £50 (excl VAT) and your Shipping is FREE. UK Mainland Only.
We offer a range of shipping options to suit you.
Royal Mail Standard Shipping
£2.00 - Our cheapest shipping method for parcels up to 500g. Parcels are sent using the Royal Mail standard shipping service and usually take 2-5 working days to arrive. This service isn’t tracked at any stage until point of delivery.
Royal Mail Tracked 48
£4.00 - Parcels up to 2kg. Their aim is to deliver in 2-3 working days. You will receive an email from Royal Mail with full tracking details.
Next Working Day – UK Mainland Only
£8.50 – Orders placed before 4pm will be received the next working day, Monday to Friday. You will receive an email from the courier with full tracking details. We tend to use UPS, DPD or Royal Mail Next Day.
Northern Ireland 2 Day Service
£15.00 – This is a two day service to Northern Ireland. You will receive an email from the courier with full tracking details. We tend to use UPS, DPD or Royal Mail.
Northern Ireland Next Day Service
£35.00 - This is a next day service to Northern Ireland. You will receive an email with full tracking details. We tend to use UPS, DPD or Royal Mail Next Day.
Next Working Day AM – Pre 12 UK Mainland Only
£20.00 - Orders placed before 4pm will be received the next working day before Midday. You will receive an email from the courier with full tracking details. We tend to use UPS, DPD or Royal Mail.
Next Working Day AM – Pre 10.30 UK Mainland Only
£25.00 - Orders placed before 4pm will be received the next working day before 10.30am. You will receive an email from the courier with full tracking details.
Scottish Islands 2-3 Day Service
£25.00 - This is a two to three day service. You will receive an email from the courier with full tracking details.
Scottish Highlands 2-3 Day service
£35.00 - This is a two to three day service. You will receive an email from the courier with full tracking details.
SAME DAY TAXI – Please call 01709 527269 for a quote and we will try to accommodate where possible.
Click and Collect
FREE - We offer a Click & Collect service for customers that are able to collect from our premises at Bearing King. Unit 5, Northfield Business Park, Parkgate, Rotherham S60 1SD United Kingdom.
Please note, you will be notified by email when your order is available for collection.
Shipping Internationally – Europe and Rest of the World
We offer a range of options for shipping around the world. These choices will be displayed dependent on your shipping location once the item is in your basket and you are ready to Checkout.
Returns Policy
1. You may return an unused item in new condition unless faulty within 30 days of receipt. Damaged or used goods cannot be refunded.
2. A copy of our returns form must be included with the returned goods.
3. Customers will be responsible for the original and return shipping charges unless our customer service department determines that we are at fault for an order error or product defect. Bearing King will not be responsible for any return item lost in transit.
4. Once we receive the package and the goods are checked, we will refund you by the payment method used when the order was placed.
5. Please allow 3-5 days for your return to be processed or exchange to be sent.
