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TRITAN Sprocket: One-Sided Hub, For Single Strands, 40, 21 Teeth, 3.355 in Pitch Dia - Size 40 Plain-Bore Roller Chain Sprockets
TRITANSize 40 Plain-Bore Roller Chain Sprockets

TRITAN Sprocket: One-Sided Hub, For Single Strands, 40, 21 Teeth, 3.355 in Pitch Dia

The TRITAN Sprocket: One-Sided Hub is a Size 40 plain-bore roller chain sprocket for single strands, made of steel with 21 teeth and a 3.355-inch pitch diameter (MPN 40B21H X 5/8 MPB). 3G Electric interprets this…

SKU 3G-OTH-138153

Also listed as: 40B21HX58MPB · 40B21H X 5 8 MPB · 40B21H-X-5-8-MPB

Brand
TRITAN
Item
Sprocket: One-Sided Hub, For Single Strands, 40, 21 Teeth, 3.355 in Pitch Dia
Category
Size 40 Plain-Bore Roller Chain Sprockets
Available to Order
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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

TRITAN
Manufacturer Part Number
40B21H X 5/8 MPB
Type
For Single Strands, 40, Steel
Teeth
21
Pitch Dia
3.355 in

Technical Documents

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

Product Description

The TRITAN Sprocket: One-Sided Hub is a Size 40 plain-bore roller chain sprocket for single strands, made of steel with 21 teeth and a 3.355-inch pitch diameter (MPN 40B21H X 5/8 MPB). 3G Electric interprets this demand and sources the genuine TRITAN part, backed by our specialist expertise across 14 industrial departments — including power transmission — to ensure you get the right component for your drive system.

Frequently Asked Questions

What is the TRITAN 40B21H sprocket used for?

The TRITAN 40B21H sprocket is used in roller chain drive systems to transmit rotary motion between shafts. It is designed for single-strand ANSI 40 chain, making it suitable for conveyors, packaging machinery, and industrial power transmission applications where a 21-tooth steel sprocket with a one-sided hub is required.

What are the specifications of the TRITAN 40B21H sprocket?

The TRITAN 40B21H sprocket is a size 40 plain-bore roller chain sprocket with 21 teeth and a pitch diameter of 3.355 inches. It is made of steel and features a one-sided hub for single-strand chain. The manufacturer part number is 40B21H X 5/8 MPB, and it is supplied by TRITAN.

Where to buy TRITAN sprockets worldwide?

TRITAN sprockets are available to order through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact 3G Electric for pricing and lead time on the TRITAN 40B21H sprocket or other roller chain sprockets.

How to select the right TRITAN sprocket for a single-strand chain?

To select the correct TRITAN sprocket, match the sprocket size (e.g., 40) to your chain pitch, confirm the number of teeth (e.g., 21) for your speed ratio, and ensure the bore type (plain-bore) fits your shaft. The one-sided hub design is for single-strand applications. Verify the pitch diameter (3.355 in) aligns with your drive layout.

Used in

Common applications for TRITAN
Poultry processing conveyors — TRITAN food-grade radial ball bearings (SS3829 2RS FM222) with double contact seals
Material handling systems — TRITAN spherical insert bearings (SB205-16G) with set screw locking for shaft mounting
High-temperature oven rollers — TRITAN miniature ball bearings (SSRI814 ZZ SRL) rated to 302°F
Self-lubricating pivot joints — TRITAN spherical plain bearings (GE 30TE 2RS) with PTFE sliding surface
Flange-mounted conveyor idlers — TRITAN 4-bolt flange bearings (UCF210-31) in cast iron housings
Chain drive repairs — TRITAN offset links (40-1R OSL) for ANSI #40 roller chains

TRITAN Products

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

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Compatible alternatives & equivalents

Cross-referenced by specification & description
TRITAN Sprocket: One-Sided Hub, For Single Strands, 40, 20 Teeth, 3.196 in Pitch Dia, Steel (MPN 40B20H X 5/8 MPB)
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TRITAN Sprocket: One-Sided Hub, For Single Strands, 40, 22 Teeth, 3.513 in Pitch Dia, Steel (MPN 40B22H X 5/8 MPB)
TRITAN Sprocket: One-Sided Hub, For Single Strands, 40, 24 Teeth, 3.831 in Pitch Dia, Steel (MPN 40B24H X 5/8 MPB)
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TRITAN Sprocket: One-Sided Hub, For Single Strands, 40, 24 Teeth, 3.831 in Pitch Dia, Steel (MPN 40B24H X 5/8 MPB)
TRITAN Sprocket: One-Sided Hub, For Single Strands, 40, 30 Teeth, 4.783 in Pitch Dia, Steel (MPN 40B30H X 5/8 MPB)
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