OEM Chain Sprocket: One-Sided Hub
The APPROVED VENDOR Chain Sprocket is a Size 50 plain-bore roller chain sprocket with a one-sided hub, designed for single strands. It features 21 teeth and a 4.194 in pitch diameter (MPN 50B21SS).
SKU 3G-OTH-126499
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 50 plain-bore roller chain sprocket with a one-sided hub, designed for single strands. It features 21 teeth and a 4.194 in pitch diameter (MPN 50B21SS).
Frequently Asked Questions
What is the APPROVED VENDOR 50B21SS chain sprocket used for?
This one-sided hub sprocket is used in roller chain drives for power transmission in industrial machinery, conveyors, and agricultural equipment. It is designed for single-strand 50-series roller chains, providing reliable torque transfer in moderate-load applications.
What are the specifications of the APPROVED VENDOR 50B21SS sprocket?
The APPROVED VENDOR 50B21SS is a size 50 plain-bore roller chain sprocket with 21 teeth and a pitch diameter of 4.194 inches. It features a one-sided hub design for single-strand chains. The manufacturer part number is 50B21SS.
Where to buy the APPROVED VENDOR 50B21SS sprocket worldwide?
3G Electric supplies the APPROVED VENDOR 50B21SS sprocket worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.
How to select the correct APPROVED VENDOR chain sprocket for a 50-series chain?
To select the correct sprocket, match the chain size (50), number of teeth (21), and pitch diameter (4.194 in) to your drive requirements. Ensure the bore size accommodates your shaft. The one-sided hub design suits applications needing axial space savings.
OEM Products
3G Electric supplies OEM size 50 plain-bore roller chain sprockets. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
