TSUBAKI Sprocket: One-Sided Hub, For Single Strands, 25, 21 Teeth, 1.678 in Pitch Dia
The TSUBAKI Sprocket: One-Sided Hub is a Size 25 plain-bore roller chain sprocket for single strands, made of steel with 21 teeth and a 1.678 in pitch diameter (MPN 25B21). 3G Electric interprets customer demand and…
SKU 3G-OTH-124539
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
Need installation or engineering help?
Ask a question
Product Description
The TSUBAKI Sprocket: One-Sided Hub is a Size 25 plain-bore roller chain sprocket for single strands, made of steel with 21 teeth and a 1.678 in pitch diameter (MPN 25B21). 3G Electric interprets customer demand and delivers this genuine industrial component across 14 departments — with specialist depth in combustion, pumps and controls as an authorised distributor — ensuring you get the right answer, not just a catalog.
Frequently Asked Questions
What is the TSUBAKI 25B21 sprocket used for?
The TSUBAKI 25B21 is a one-sided hub sprocket designed for single-strand roller chain drives. It is commonly used in power transmission applications such as conveyors, packaging machinery, and industrial automation where precise motion transfer is required.
What are the specifications of the TSUBAKI 25B21 sprocket?
The TSUBAKI 25B21 is a size 25 plain-bore roller chain sprocket with 21 teeth and a pitch diameter of 1.678 inches. It features a one-sided hub design for single-strand chains. The manufacturer part number is 25B21, and it is made of steel for durability.
Where to buy TSUBAKI 25B21 sprockets worldwide?
You can source TSUBAKI 25B21 sprockets worldwide through 3G Electric, 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 part.
How to select the right TSUBAKI sprocket for a roller chain?
To select the correct TSUBAKI sprocket, match the chain size (e.g., 25), number of teeth, and bore type to your application. The 25B21 is a plain-bore sprocket for single-strand chains. Ensure the pitch diameter and hub style fit your shaft and space constraints.
Used in
Common applications for TSUBAKITSUBAKI Products
3G Electric supplies TSUBAKI size 25 plain-bore roller chain sprockets. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
