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

TSUBAKI Single Strand Sprocket: For 50 Chain, 21 Teeth, 4.194 in Pitch Dia - Size 50 Bushed-Bore Roller Chain Sprockets
TSUBAKISize 50 Bushed-Bore Roller Chain Sprockets

TSUBAKI Single Strand Sprocket: For 50 Chain, 21 Teeth, 4.194 in Pitch Dia

The TSUBAKI Single Strand Sprocket is a Size 50 Bushed-Bore Roller Chain Sprocket designed for 50 chain. It features 21 teeth, a 4.194 in pitch diameter, and a 4.522 in outside diameter (MPN 50P21). This sprocket…

SKU 3G-OTH-127248

Brand
TSUBAKI
Item
Single Strand Sprocket: For 50 Chain, 21 Teeth, 4.194 in Pitch Dia
Category
Size 50 Bushed-Bore Roller Chain Sprockets
Available to Order
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 — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

TSUBAKI
Manufacturer Part Number
50P21
Teeth
21
Pitch Dia
4.194 in
Outside Dia
4.522 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 Single Strand Sprocket is a Size 50 Bushed-Bore Roller Chain Sprocket designed for 50 chain. It features 21 teeth, a 4.194 in pitch diameter, and a 4.522 in outside diameter (MPN 50P21). This sprocket requires a P1 bushing series for installation.

Frequently Asked Questions

What is the TSUBAKI 50P21 sprocket used for?

The TSUBAKI 50P21 single strand sprocket is used in roller chain drive systems to transmit rotary motion and torque. It is designed for Size 50 chain and is commonly applied in conveyors, packaging machinery, and industrial power transmission across 14 departments.

What are the specifications of the TSUBAKI 50P21 sprocket?

The TSUBAKI 50P21 is a single strand sprocket for 50 chain with 21 teeth, a 4.194 in pitch diameter, and a 4.522 in outside diameter. It requires a P1 bushing series for installation. The manufacturer part number is 50P21.

Where to buy the TSUBAKI 50P21 sprocket worldwide?

3G Electric supplies the TSUBAKI 50P21 sprocket to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this bushed-bore roller chain sprocket.

How to install the TSUBAKI 50P21 bushed-bore sprocket?

To install the TSUBAKI 50P21, select a P1 bushing series that matches your shaft diameter. Insert the bushing into the sprocket bore, align the keyway, and tighten the set screws. Always follow manufacturer torque specs and ensure proper chain tension for reliable 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

TSUBAKI Products

3G Electric supplies TSUBAKI size 50 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

Compatible alternatives & equivalents

Cross-referenced by specification & description
TSUBAKI Single Strand Sprocket: For 50 Chain, 14 Teeth, 2.809 in Pitch Dia, 3.113 in Outside Dia (MPN 50H14)
TSUBAKI
TSUBAKI Single Strand Sprocket: For 50 Chain, 14 Teeth, 2.809 in Pitch Dia, 3.113 in Outside Dia (MPN 50H14)
TSUBAKI Single Strand Sprocket: For 50 Chain, 28 Teeth, 5.582 in Pitch Dia, 5.922 in Outside Dia (MPN 50P28)
TSUBAKI
TSUBAKI Single Strand Sprocket: For 50 Chain, 28 Teeth, 5.582 in Pitch Dia, 5.922 in Outside Dia (MPN 50P28)
TSUBAKI Sprocket: For 50 Chain, 20 Teeth, 3.995 in Pitch Dia, 4.321 in Outside Dia, Steel (MPN 50P20)
TSUBAKI
TSUBAKI Sprocket: For 50 Chain, 20 Teeth, 3.995 in Pitch Dia, 4.321 in Outside Dia, Steel (MPN 50P20)
TSUBAKI Single Strand Sprocket: For 50 Chain, 13 Teeth, 2.612 in Pitch Dia, 2.911 in Outside Dia (MPN 50H13)
TSUBAKI
TSUBAKI Single Strand Sprocket: For 50 Chain, 13 Teeth, 2.612 in Pitch Dia, 2.911 in Outside Dia (MPN 50H13)
TSUBAKI Single Strand Sprocket: For 50 Chain, 54 Teeth, 10.749 in Pitch Dia, 11.106 in Outside Dia (MPN 50BTL54)
TSUBAKI
TSUBAKI Single Strand Sprocket: For 50 Chain, 54 Teeth, 10.749 in Pitch Dia, 11.106 in Outside Dia (MPN 50BTL54)
TSUBAKI Single Strand Sprocket: For 50 Chain, 42 Teeth, 8.363 in Pitch Dia, 8.715 in Outside Dia (MPN 50BTL42)
TSUBAKI
TSUBAKI Single Strand Sprocket: For 50 Chain, 42 Teeth, 8.363 in Pitch Dia, 8.715 in Outside Dia (MPN 50BTL42)

More from TSUBAKI

View all TSUBAKI parts
TSUBAKI Sprocket: For 50 Chain, 32 Teeth, 6.376 in Pitch Dia, 6.721 in Outside Dia, Steel, ANSI (MPN 50BTL32)
TSUBAKI
TSUBAKI Sprocket: For 50 Chain, 32 Teeth, 6.376 in Pitch Dia, 6.721 in Outside Dia, Steel, ANSI (MPN 50BTL32)
TSUBAKI Sprocket: For 50 Chain, 35 Teeth, 6.972 in Pitch Dia, 7.32 in Outside Dia, Steel (MPN 50SDS35)
TSUBAKI
TSUBAKI Sprocket: For 50 Chain, 35 Teeth, 6.972 in Pitch Dia, 7.32 in Outside Dia, Steel (MPN 50SDS35)
TSUBAKI Sprocket: For 50 Chain, 30 Teeth, 5.979 in Pitch Dia, 6.32 in Outside Dia, Steel (MPN 50SDS30)
TSUBAKI
TSUBAKI Sprocket: For 50 Chain, 30 Teeth, 5.979 in Pitch Dia, 6.32 in Outside Dia, Steel (MPN 50SDS30)
TSUBAKI Sprocket: For 50 Chain, 28 Teeth, 5.582 in Pitch Dia, 5.92 in Outside Dia, Steel (MPN 50SDS28)
TSUBAKI
TSUBAKI Sprocket: For 50 Chain, 28 Teeth, 5.582 in Pitch Dia, 5.92 in Outside Dia, Steel (MPN 50SDS28)
TSUBAKI Sprocket: For 50 Chain, 30 Teeth, 5.979 in Pitch Dia, 6.321 in Outside Dia, Steel, ANSI (MPN 50BTL30)
TSUBAKI
TSUBAKI Sprocket: For 50 Chain, 30 Teeth, 5.979 in Pitch Dia, 6.321 in Outside Dia, Steel, ANSI (MPN 50BTL30)
TSUBAKI Sprocket: For 50 Chain, 30 Teeth, 5.979 in Pitch Dia, 6.321 in Outside Dia, Steel (MPN 50Q30)
TSUBAKI
TSUBAKI Sprocket: For 50 Chain, 30 Teeth, 5.979 in Pitch Dia, 6.321 in Outside Dia, Steel (MPN 50Q30)
TSUBAKI Sprocket: For 50 Chain, 28 Teeth, 5.582 in Pitch Dia, 5.922 in Outside Dia, Steel (MPN 50BTL28)
TSUBAKI
TSUBAKI Sprocket: For 50 Chain, 28 Teeth, 5.582 in Pitch Dia, 5.922 in Outside Dia, Steel (MPN 50BTL28)
TSUBAKI Sprocket: For 50 Chain, 54 Teeth, 10.749 in Pitch Dia, 11.106 in Outside Dia, Steel (MPN 50Q54)
TSUBAKI
TSUBAKI Sprocket: For 50 Chain, 54 Teeth, 10.749 in Pitch Dia, 11.106 in Outside Dia, Steel (MPN 50Q54)