OEM Chain Sprocket: One-Sided Hub
The APPROVED VENDOR Chain Sprocket is a Size 40 plain-bore roller chain sprocket with a one-sided hub, designed for single strands. It features 21 teeth and a 3.355-inch pitch diameter (MPN 40B21SS). 3G Electric…
SKU 3G-OTH-138151
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The APPROVED VENDOR Chain Sprocket is a Size 40 plain-bore roller chain sprocket with a one-sided hub, designed for single strands. It features 21 teeth and a 3.355-inch pitch diameter (MPN 40B21SS). 3G Electric sources this genuine industrial component across 14 departments, with specialist expertise in combustion, pumps, and controls ensuring accurate sourcing and support.
Frequently Asked Questions
What is the APPROVED VENDOR 40B21SS chain sprocket used for?
The APPROVED VENDOR 40B21SS is a one-sided hub plain-bore sprocket designed for single-strand roller chain drives. It is commonly used in industrial power transmission applications such as conveyors, packaging machinery, and material handling equipment where reliable torque transfer is required.
What are the specifications of the APPROVED VENDOR 40B21SS sprocket?
This sprocket is size 40 for single-strand roller chain, with 21 teeth and a pitch diameter of 3.355 inches. It features a one-sided hub design and is a plain-bore type, allowing custom bore sizing. The manufacturer part number is 40B21SS, and it is supplied by APPROVED VENDOR.
Where to buy the APPROVED VENDOR 40B21SS sprocket worldwide?
3G Electric supplies the APPROVED VENDOR 40B21SS chain sprocket to customers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this plain-bore sprocket.
How to select the right plain-bore sprocket for a single-strand chain?
To select the correct sprocket, match the chain size (e.g., 40) and number of teeth to your drive requirements. The pitch diameter must align with the chain pitch. For the APPROVED VENDOR 40B21SS, ensure the bore is machined to fit your shaft diameter. Consult a power transmission guide for proper alignment and tensioning.
OEM Products
3G Electric supplies OEM size 40 plain-bore roller chain sprockets. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
