We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
TSUBAKI Size 40 Bushed-Bore Roller Chain Sprocket - Size 40 Bushed-Bore Roller Chain Sprockets
TSUBAKISize 40 Bushed-Bore Roller Chain Sprockets

TSUBAKI Size 40 Bushed-Bore Roller Chain Sprocket

The TSUBAKI Sprocket is a Size 40 bushed-bore roller chain sprocket designed for 40 chain. It features 21 teeth, a 3.355-inch pitch diameter, and a 3.617-inch outside diameter, constructed from steel. This model…

SKU 3G-OTH-125614

Brand
TSUBAKI
Item
Size 40 Bushed-Bore Roller Chain Sprocket
Part Number
40P21
Category
Size 40 Bushed-Bore Roller Chain Sprockets
Available to Order
Also known as:40P21TSUBAKI
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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.

Technical Specifications

TSUBAKI
Manufacturer Part Number
40P21
Type
Steel
Teeth
21
Pitch Dia
3.355 in
Outside Dia
3.617 in
Required Bushing Series
P1

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

TSUBAKI Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The TSUBAKI Sprocket is a Size 40 bushed-bore roller chain sprocket designed for 40 chain. It features 21 teeth, a 3.355-inch pitch diameter, and a 3.617-inch outside diameter, constructed from steel. This model, part number 40P21, requires a P1 bushing series for installation.

Frequently Asked Questions

What is the TSUBAKI 40P21 sprocket used for?

The TSUBAKI 40P21 sprocket is used in roller chain drive systems to transmit rotary motion and torque. It is designed for Size 40 chain and is commonly applied in industrial machinery, conveyors, and power transmission equipment where reliable engagement and precise timing are required.

What are the specifications of the TSUBAKI 40P21 sprocket?

The TSUBAKI 40P21 sprocket has 21 teeth, a 3.355-inch pitch diameter, and a 3.617-inch outside diameter. It is made of steel and requires a P1 bushing series for installation. This Size 40 bushed-bore sprocket is designed for 40 chain and carries manufacturer part number 40P21.

Where to buy TSUBAKI sprockets worldwide?

3G Electric supplies TSUBAKI sprockets like the 40P21 to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. As a global industrial solutions provider, we source genuine TSUBAKI parts and support your procurement needs across multiple departments.

How to install a TSUBAKI bushed-bore sprocket?

To install a TSUBAKI bushed-bore sprocket like the 40P21, select the correct P1 bushing series and insert it into the sprocket bore. Align the sprocket on the shaft, tighten the bushing screws evenly to secure it, and ensure the chain engages properly. Always follow manufacturer torque specifications for safe operation.

Used in

Common applications for TSUBAKI
Material handling conveyors — TSUBAKI C2080H connecting links for heavy-duty chain systems
Packaging machinery — TSUBAKI size 60 roller chains with 60NEPCL connecting links for coated chain applications
Automotive assembly lines — TSUBAKI 80NPSK1CL attachment links for positioning fixtures on single-strand chains
Food processing equipment — TSUBAKI nickel-plated chains and sprockets (e.g., 50BTL48) for washdown environments
General power transmission — TSUBAKI PL1G keyless bushings for shaft mounting without keyways in drive systems
Conveyor drive systems — TSUBAKI 40BTL24 sprockets for size 40 chain in light-to-medium load applications
Not sure this is the right part? Photo-identify it

TSUBAKI Products

3G Electric supplies TSUBAKI size 40 bushed-bore roller chain sprockets. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from TSUBAKI

View all TSUBAKI parts

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first