Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
TSUBAKI Single Strand Sprocket: 40, For 1/2 in Chain Pitch, 3/4 in Bore Dia, 25 Teeth - Size 40 Fixed-Bore Roller Chain Sprockets
TSUBAKISize 40 Fixed-Bore Roller Chain Sprockets

TSUBAKI Single Strand Sprocket: 40, For 1/2 in Chain Pitch, 3/4 in Bore Dia, 25 Teeth

The TSUBAKI Single Strand Sprocket: 40 is a Size 40 fixed-bore roller chain sprocket designed for 1/2 in chain pitch. This steel sprocket features 25 teeth and a 3/4 in bore diameter (MPN 40B25F-3/4).

SKU 3G-OTH-124581

Brand
TSUBAKI
Item
Single Strand Sprocket: 40, For 1/2 in Chain Pitch, 3/4 in Bore Dia, 25 Teeth
Category
Size 40 Fixed-Bore Roller Chain Sprockets
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
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

Technical Specifications

TSUBAKI
Manufacturer Part Number
40B25F-3/4
Type
For 1/2 in Chain Pitch, Steel
Teeth
25
Bore Dia
3/4 in
View Full Spec Sheet

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 Single Strand Sprocket: 40 is a Size 40 fixed-bore roller chain sprocket designed for 1/2 in chain pitch. This steel sprocket features 25 teeth and a 3/4 in bore diameter (MPN 40B25F-3/4).

Frequently Asked Questions

What is the TSUBAKI 40B25F-3/4 sprocket used for?

The TSUBAKI 40B25F-3/4 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 25-tooth sprocket are required.

What are the specifications of the TSUBAKI 40B25F-3/4 sprocket?

This TSUBAKI sprocket is a Size 40 fixed-bore type with 25 teeth, a 3/4 in bore diameter, and a 1/2 in chain pitch. It is made of steel and has the manufacturer part number 40B25F-3/4. It is designed for single strand roller chain applications.

Where to buy TSUBAKI 40B25F-3/4 sprocket worldwide?

You can source the TSUBAKI 40B25F-3/4 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 part.

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, and bore diameter to your shaft. The 40B25F-3/4 has 25 teeth and a 3/4 in bore. Ensure the sprocket material (steel) suits your load and environment. Consult TSUBAKI catalog for shaft keyway specs.

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

TSUBAKI Products

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
TSUBAKI Single Strand Sprocket: 40, For 1/2 in Chain Pitch, 1 in Bore Dia, 25 Teeth, Steel (MPN 40B25F-1). Key specifications — Brand: TSUBAKI.
TSUBAKI
TSUBAKI Single Strand Sprocket: 40, For 1/2 in Chain Pitch, 1 in Bore Dia, 25 Teeth, Steel (MPN 40B25F-1). Key specifications — Brand: TSUBAKI.
TSUBAKI Single Strand Sprocket: 40, For 1/2 in Chain Pitch, 3/4 in Bore Dia, 26 Teeth, Steel (MPN 40B26F-3/4). Key specifications — Brand: TSUBAKI.
TSUBAKI
TSUBAKI Single Strand Sprocket: 40, For 1/2 in Chain Pitch, 3/4 in Bore Dia, 26 Teeth, Steel (MPN 40B26F-3/4). Key specifications — Brand: TSUBAKI.
TSUBAKI Single Strand Sprocket: 40, For 1/2 in Chain Pitch, 1 in Bore Dia, 26 Teeth, Steel (MPN 40B26F-1). Key specifications — Brand: TSUBAKI.
TSUBAKI
TSUBAKI Single Strand Sprocket: 40, For 1/2 in Chain Pitch, 1 in Bore Dia, 26 Teeth, Steel (MPN 40B26F-1). Key specifications — Brand: TSUBAKI.
TSUBAKI Single Strand Sprocket: 40, For 1/2 in Chain Pitch, 5/8 in Bore Dia, 30 Teeth, Steel (MPN 40B30F-5/8). Key specifications — Brand: TSUBAKI.
TSUBAKI
TSUBAKI Single Strand Sprocket: 40, For 1/2 in Chain Pitch, 5/8 in Bore Dia, 30 Teeth, Steel (MPN 40B30F-5/8). Key specifications — Brand: TSUBAKI.
TSUBAKI Single Strand Sprocket: 40, For 1/2 in Chain Pitch, 5/8 in Bore Dia, 9 Teeth, Steel (MPN 40B9F-5/8). Key specifications — Brand: TSUBAKI.
TSUBAKI
TSUBAKI Single Strand Sprocket: 40, For 1/2 in Chain Pitch, 5/8 in Bore Dia, 9 Teeth, Steel (MPN 40B9F-5/8). Key specifications — Brand: TSUBAKI.
TSUBAKI Single Strand Sprocket: 40, For 1/2 in Chain Pitch, 5/8 in Bore Dia, 19 Teeth, Steel (MPN 40B19F-5/8). Key specifications — Brand: TSUBAKI.
TSUBAKI
TSUBAKI Single Strand Sprocket: 40, For 1/2 in Chain Pitch, 5/8 in Bore Dia, 19 Teeth, Steel (MPN 40B19F-5/8). Key specifications — Brand: TSUBAKI.

More from TSUBAKI

View all TSUBAKI parts →
TSUBAKI Single Strand Sprocket: 40, For 1/2 in Chain Pitch, 3/4 in Bore Dia, 18 Teeth, Steel (MPN 40B18F-3/4). Key specifications — Brand: TSUBAKI.
TSUBAKI
TSUBAKI Single Strand Sprocket: 40, For 1/2 in Chain Pitch, 3/4 in Bore Dia, 18 Teeth, Steel (MPN 40B18F-3/4). Key specifications — Brand: TSUBAKI.
TSUBAKI Single Strand Sprocket: 40, For 1/2 in Chain Pitch, 7/8 in Bore Dia, 22 Teeth, Steel (MPN 40B22FP). Key specifications — Brand: TSUBAKI.
TSUBAKI
TSUBAKI Single Strand Sprocket: 40, For 1/2 in Chain Pitch, 7/8 in Bore Dia, 22 Teeth, Steel (MPN 40B22FP). Key specifications — Brand: TSUBAKI.
TSUBAKI Single Strand Sprocket: 40, For 1/2 in Chain Pitch, 3/4 in Bore Dia, 28 Teeth, Steel (MPN 40B28F-3/4). Key specifications — Brand: TSUBAKI.
TSUBAKI
TSUBAKI Single Strand Sprocket: 40, For 1/2 in Chain Pitch, 3/4 in Bore Dia, 28 Teeth, Steel (MPN 40B28F-3/4). Key specifications — Brand: TSUBAKI.
TSUBAKI Single Strand Sprocket: 40, For 1/2 in Chain Pitch, 1/2 in Bore Dia, 13 Teeth, Steel (MPN 40B13F-1/2). Key specifications — Brand: TSUBAKI.
TSUBAKI
TSUBAKI Single Strand Sprocket: 40, For 1/2 in Chain Pitch, 1/2 in Bore Dia, 13 Teeth, Steel (MPN 40B13F-1/2). Key specifications — Brand: TSUBAKI.
TSUBAKI Single Strand Sprocket: 40, For 1/2 in Chain Pitch, 1 in Bore Dia, 12 Teeth, Steel (MPN 40B12F-1). Key specifications — Brand: TSUBAKI.
TSUBAKI
TSUBAKI Single Strand Sprocket: 40, For 1/2 in Chain Pitch, 1 in Bore Dia, 12 Teeth, Steel (MPN 40B12F-1). Key specifications — Brand: TSUBAKI.
TSUBAKI Single Strand Sprocket: 40, For 1/2 in Chain Pitch, 3/4 in Bore Dia, 30 Teeth, Steel (MPN 40B30F-3/4). Key specifications — Brand: TSUBAKI.
TSUBAKI
TSUBAKI Single Strand Sprocket: 40, For 1/2 in Chain Pitch, 3/4 in Bore Dia, 30 Teeth, Steel (MPN 40B30F-3/4). Key specifications — Brand: TSUBAKI.
TSUBAKI Single Strand Sprocket: 40, For 1/2 in Chain Pitch, 1 in Bore Dia, 17 Teeth, Steel (MPN 40B17F-1). Key specifications — Brand: TSUBAKI.
TSUBAKI
TSUBAKI Single Strand Sprocket: 40, For 1/2 in Chain Pitch, 1 in Bore Dia, 17 Teeth, Steel (MPN 40B17F-1). Key specifications — Brand: TSUBAKI.
TSUBAKI Single Strand Sprocket: 40, For 1/2 in Chain Pitch, 1 3/16 in Bore Dia, 15 Teeth, Steel (MPN 40B15F-1C). Key specifications — Brand: TSUBAKI.
TSUBAKI
TSUBAKI Single Strand Sprocket: 40, For 1/2 in Chain Pitch, 1 3/16 in Bore Dia, 15 Teeth, Steel (MPN 40B15F-1C). Key specifications — Brand: TSUBAKI.