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

TSUBAKI Sprocket: For 40 Chain, 25 Teeth, 3.989 in Pitch Dia, 4.258 in Outside Dia - Size 40 Bushed-Bore Roller Chain Sprockets
TSUBAKISize 40 Bushed-Bore Roller Chain Sprockets

TSUBAKI Sprocket: For 40 Chain, 25 Teeth, 3.989 in Pitch Dia, 4.258 in Outside Dia

The TSUBAKI Sprocket is a Size 40 bushed-bore roller chain sprocket designed for 40 chain. It features 25 teeth, a 3.989-inch pitch diameter, and a 4.258-inch outside diameter, constructed from steel. This model, MPN…

SKU 3G-OTH-125872

Brand
TSUBAKI
Item
Sprocket: For 40 Chain, 25 Teeth, 3.989 in Pitch Dia, 4.258 in Outside Dia
Category
Size 40 Bushed-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
40BTL25
Type
Steel
Teeth
25
Pitch Dia
3.989 in
Outside Dia
4.258 in
Required Bushing Series
1610
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 Sprocket is a Size 40 bushed-bore roller chain sprocket designed for 40 chain. It features 25 teeth, a 3.989-inch pitch diameter, and a 4.258-inch outside diameter, constructed from steel. This model, MPN 40BTL25, requires a 1610 bushing series for installation.

Frequently Asked Questions

What is the TSUBAKI 40BTL25 sprocket used for?

The TSUBAKI 40BTL25 sprocket is used in roller chain drive systems for power transmission in industrial machinery, conveyors, and material handling equipment. It is designed for Size 40 roller chain and is commonly applied in manufacturing, packaging, and agricultural equipment where reliable torque transfer is required.

What are the specifications of the TSUBAKI 40BTL25 sprocket?

The TSUBAKI 40BTL25 is a steel sprocket with 25 teeth, a 3.989-inch pitch diameter, and a 4.258-inch outside diameter. It is designed for Size 40 roller chain and requires a 1610 bushing series for mounting. The manufacturer part number is 40BTL25.

Where to buy the TSUBAKI 40BTL25 sprocket worldwide?

3G Electric supplies the TSUBAKI 40BTL25 sprocket worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this TSUBAKI sprocket to meet your project needs.

How to install the TSUBAKI 40BTL25 sprocket?

To install the TSUBAKI 40BTL25 sprocket, first select a compatible 1610 bushing series. Insert the bushing into the sprocket bore, align with the shaft, and tighten the bushing screws evenly. Ensure the sprocket is properly aligned with the chain and shaft to prevent premature wear. Follow standard bushed-bore sprocket installation practices.

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 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

Similar products

Matched by specification & description
TSUBAKI Sprocket: For 40 Chain, 23 Teeth, 3.672 in Pitch Dia, 3.938 in Outside Dia, Steel, ANSI (MPN 40BTL23). Key specifications — Brand: TSUBAKI; Required Bushing Series: 1610.
TSUBAKI
TSUBAKI Sprocket: For 40 Chain, 23 Teeth, 3.672 in Pitch Dia, 3.938 in Outside Dia, Steel, ANSI (MPN 40BTL23). Key specifications — Brand: TSUBAKI; Required Bushing Series: 1610.
TSUBAKI Sprocket: For 40 Chain, 40 Teeth, 6.373 in Pitch Dia, 6.653 in Outside Dia, Steel, ANSI (MPN 40BTL40). Key specifications — Brand: TSUBAKI; Required Bushing Series: 1610.
TSUBAKI
TSUBAKI Sprocket: For 40 Chain, 40 Teeth, 6.373 in Pitch Dia, 6.653 in Outside Dia, Steel, ANSI (MPN 40BTL40). Key specifications — Brand: TSUBAKI; Required Bushing Series: 1610.
TSUBAKI Sprocket: For 40 Chain, 20 Teeth, 3.196 in Pitch Dia, 3.457 in Outside Dia, Steel, ANSI (MPN 40BTL20). Key specifications — Brand: TSUBAKI; Required Bushing Series: 1610.
TSUBAKI
TSUBAKI Sprocket: For 40 Chain, 20 Teeth, 3.196 in Pitch Dia, 3.457 in Outside Dia, Steel, ANSI (MPN 40BTL20). Key specifications — Brand: TSUBAKI; Required Bushing Series: 1610.
TSUBAKI Sprocket: For 40 Chain, 30 Teeth, 4.783 in Pitch Dia, 5.057 in Outside Dia, Steel, ANSI (MPN 40BTL30). Key specifications — Brand: TSUBAKI; Required Bushing Series: 1610.
TSUBAKI
TSUBAKI Sprocket: For 40 Chain, 30 Teeth, 4.783 in Pitch Dia, 5.057 in Outside Dia, Steel, ANSI (MPN 40BTL30). Key specifications — Brand: TSUBAKI; Required Bushing Series: 1610.
TSUBAKI Sprocket: For 40 Chain, 35 Teeth, 5.578 in Pitch Dia, 5.855 in Outside Dia, Steel, ANSI (MPN 40BTL35). Key specifications — Brand: TSUBAKI; Required Bushing Series: 1610.
TSUBAKI
TSUBAKI Sprocket: For 40 Chain, 35 Teeth, 5.578 in Pitch Dia, 5.855 in Outside Dia, Steel, ANSI (MPN 40BTL35). Key specifications — Brand: TSUBAKI; Required Bushing Series: 1610.
TSUBAKI Sprocket: For 40 Chain, 32 Teeth, 5.101 in Pitch Dia, 5.377 in Outside Dia, Steel, ANSI (MPN 40BTL32). Key specifications — Brand: TSUBAKI; Required Bushing Series: 1610.
TSUBAKI
TSUBAKI Sprocket: For 40 Chain, 32 Teeth, 5.101 in Pitch Dia, 5.377 in Outside Dia, Steel, ANSI (MPN 40BTL32). Key specifications — Brand: TSUBAKI; Required Bushing Series: 1610.

More from TSUBAKI

View all TSUBAKI parts
TSUBAKI Sprocket: For 40 Chain, 25 Teeth, 3.989 in Pitch Dia, 4.26 in Outside Dia, Steel (MPN 40SH25). Key specifications — Brand: TSUBAKI; Required Bushing Series: SH.
TSUBAKI
TSUBAKI Sprocket: For 40 Chain, 25 Teeth, 3.989 in Pitch Dia, 4.26 in Outside Dia, Steel (MPN 40SH25). Key specifications — Brand: TSUBAKI; Required Bushing Series: SH.
TSUBAKI Sprocket: For 40 Chain, 20 Teeth, 3.196 in Pitch Dia, 3.457 in Outside Dia, Steel (MPN 40H20). Key specifications — Brand: TSUBAKI; Required Bushing Series: H1.
TSUBAKI
TSUBAKI Sprocket: For 40 Chain, 20 Teeth, 3.196 in Pitch Dia, 3.457 in Outside Dia, Steel (MPN 40H20). Key specifications — Brand: TSUBAKI; Required Bushing Series: H1.
TSUBAKI Sprocket: For 40 Chain, 26 Teeth, 4.148 in Pitch Dia, 4.418 in Outside Dia, Steel (MPN 40BTL26). Key specifications — Brand: TSUBAKI; Required Bushing Series: 1610.
TSUBAKI
TSUBAKI Sprocket: For 40 Chain, 26 Teeth, 4.148 in Pitch Dia, 4.418 in Outside Dia, Steel (MPN 40BTL26). Key specifications — Brand: TSUBAKI; Required Bushing Series: 1610.
TSUBAKI Sprocket: For 40 Chain, 14 Teeth, 2.247 in Pitch Dia, 2.491 in Outside Dia, Steel (MPN 40BTL14). Key specifications — Brand: TSUBAKI; Required Bushing Series: 1008.
TSUBAKI
TSUBAKI Sprocket: For 40 Chain, 14 Teeth, 2.247 in Pitch Dia, 2.491 in Outside Dia, Steel (MPN 40BTL14). Key specifications — Brand: TSUBAKI; Required Bushing Series: 1008.
TSUBAKI Sprocket: For 40 Chain, 30 Teeth, 4.783 in Pitch Dia, 5.057 in Outside Dia, Steel (MPN 40P30). Key specifications — Brand: TSUBAKI; Required Bushing Series: P1.
TSUBAKI
TSUBAKI Sprocket: For 40 Chain, 30 Teeth, 4.783 in Pitch Dia, 5.057 in Outside Dia, Steel (MPN 40P30). Key specifications — Brand: TSUBAKI; Required Bushing Series: P1.
TSUBAKI Sprocket: For 40 Chain, 23 Teeth, 3.672 in Pitch Dia, 3.938 in Outside Dia, Steel (MPN 40P23). Key specifications — Brand: TSUBAKI; Required Bushing Series: P1.
TSUBAKI
TSUBAKI Sprocket: For 40 Chain, 23 Teeth, 3.672 in Pitch Dia, 3.938 in Outside Dia, Steel (MPN 40P23). Key specifications — Brand: TSUBAKI; Required Bushing Series: P1.
TSUBAKI Sprocket: For 40 Chain, 21 Teeth, 3.355 in Pitch Dia, 3.617 in Outside Dia, Steel, ANSI (MPN 40BTL21). Key specifications — Brand: TSUBAKI; Required Bushing Series: 1610.
TSUBAKI
TSUBAKI Sprocket: For 40 Chain, 21 Teeth, 3.355 in Pitch Dia, 3.617 in Outside Dia, Steel, ANSI (MPN 40BTL21). Key specifications — Brand: TSUBAKI; Required Bushing Series: 1610.
TSUBAKI Sprocket: For 40 Chain, 21 Teeth, 3.355 in Pitch Dia, 3.617 in Outside Dia, Steel (MPN 40P21). Key specifications — Brand: TSUBAKI; Required Bushing Series: P1.
TSUBAKI
TSUBAKI Sprocket: For 40 Chain, 21 Teeth, 3.355 in Pitch Dia, 3.617 in Outside Dia, Steel (MPN 40P21). Key specifications — Brand: TSUBAKI; Required Bushing Series: P1.