TSUBAKI Sprocket: One-Sided Hub, For Single Strands, 40, 25 Teeth, 3.989 in Pitch Dia
The TSUBAKI Sprocket: One-Sided Hub is a Size 40 plain-bore roller chain sprocket for single strands, made of steel with 25 teeth and a 3.989-inch pitch diameter (MPN 40B25). 3G Electric interprets demand and…
SKU 3G-OTH-138165
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Product Description
The TSUBAKI Sprocket: One-Sided Hub is a Size 40 plain-bore roller chain sprocket for single strands, made of steel with 25 teeth and a 3.989-inch pitch diameter (MPN 40B25). 3G Electric interprets demand and delivers this genuine industrial component across 14 departments, with specialist depth in combustion, pumps and controls as an authorised distributor.
Frequently Asked Questions
What is the TSUBAKI 40B25 sprocket used for?
The TSUBAKI 40B25 sprocket is used in roller chain drive systems to transmit rotary motion between shafts. It is designed for single-strand ANSI 40 chain, making it suitable for conveyors, packaging machinery, and industrial power transmission applications where reliable engagement and torque transfer are required.
What are the specifications of the TSUBAKI 40B25 sprocket?
The TSUBAKI 40B25 is a one-sided hub sprocket for single-strand ANSI 40 chain. It has 25 teeth and a pitch diameter of 3.989 inches. The manufacturer part number is 40B25. It is a plain-bore type, allowing custom bore sizing to fit specific shaft diameters.
Where to buy TSUBAKI 40B25 sprockets worldwide?
You can source TSUBAKI 40B25 sprockets 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; we source and deliver this TSUBAKI sprocket to your location.
How to select the correct TSUBAKI sprocket for a roller chain drive?
To select the correct TSUBAKI sprocket, match the chain size (e.g., ANSI 40), number of teeth, and bore type to your shaft and load requirements. The 40B25 is a plain-bore sprocket for single-strand chain. Ensure the pitch diameter and hub configuration fit your drive layout. Consult TSUBAKI engineering guidelines for proper selection.
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3G Electric supplies TSUBAKI 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.















