TSUBAKI Sprocket: For 40 Chain, 21 Teeth, 3.355 in Pitch Dia, 3.617 in Outside Dia
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
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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.
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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.











