TSUBAKI Single Strand Sprocket: 40, For 1/2 in Chain Pitch, 1 1/8 in Bore Dia, 21 Teeth
The TSUBAKI Single Strand Sprocket: 40 is a Size 40 fixed-bore roller chain sprocket designed for 1/2 in chain pitch. It features 21 teeth and a 1 1/8 in bore diameter, constructed from steel (MPN 40B21F-1B).
SKU 3G-OTH-125926
Also listed as: 40B21F1B · 40B21F 1B
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.
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Product Description
The TSUBAKI Single Strand Sprocket: 40 is a Size 40 fixed-bore roller chain sprocket designed for 1/2 in chain pitch. It features 21 teeth and a 1 1/8 in bore diameter, constructed from steel (MPN 40B21F-1B).
Frequently Asked Questions
What is the TSUBAKI 40B21F-1B sprocket used for?
The TSUBAKI 40B21F-1B is a single strand sprocket used in roller chain drives to transmit rotary motion between shafts. It is commonly applied in conveyors, packaging machinery, and industrial power transmission systems where a 1/2 in pitch chain and 21-tooth drive are required.
What are the specifications of the TSUBAKI 40B21F-1B sprocket?
This TSUBAKI sprocket is a Size 40 fixed-bore type with 21 teeth, a 1 1/8 in bore diameter, and a 1/2 in chain pitch. It is made of steel for durability. The manufacturer part number is 40B21F-1B, and it is designed for single strand roller chain applications.
Where to buy TSUBAKI 40B21F-1B sprockets worldwide?
You can source the TSUBAKI 40B21F-1B sprocket through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this TSUBAKI sprocket.
How to select the correct TSUBAKI sprocket for a 1/2 in chain?
To select the correct TSUBAKI sprocket, match the chain pitch (1/2 in for Size 40), number of teeth (21 in this model), and bore diameter (1 1/8 in) to your shaft size. Ensure the sprocket is rated for your load and speed. TSUBAKI steel sprockets offer reliable performance in industrial drives.
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3G Electric supplies TSUBAKI size 40 fixed-bore roller chain sprockets. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
