Tsubaki H40B28F-1 ANSI No 40 Roller Chain Sprocket

Description:

The Tsubaki H40B28F-1 Roller Chain Sprocket is used in industrial power transmission systems to drive ANSI No. 40 roller chains for efficient torque transfer and reliable machine operation. Commonly installed in conveyor systems, packaging machinery, printing equipment, agricultural machinery, material handling systems, and industrial processing equipment utilizing chain-driven mechanisms. Maintenance teams and system integrators use this sprocket for repair, retrofit, expansion, or replacement to restore accurate chain engagement and dependable mechanical power transmission.

Applications:

The Tsubaki H40B28F-1 is a heavy-duty Type B finished bore roller chain sprocket designed for ANSI No. 40 single-strand roller chains. Its 28-tooth configuration, 1-inch finished bore with keyway, hardened teeth, and dual set screws provide secure shaft mounting, smooth chain engagement, and extended wear life. It is ideal for conveyors, packaging equipment, material handling systems, printing machinery, and industrial automation applications requiring reliable continuous-duty power transmission.

Technical Specifications:

• Manufacturer: Tsubaki Emerson Co.
• Model / Part Number: H40B28F-1
• Product Type: Roller Chain Sprocket
• Series: H Series Heavy-Duty Sprocket
• Compatible Chain Size: ANSI No. 40 Roller Chain
• Number of Teeth: 28
• Number of Strands: Single Strand
• Chain Pitch: 1/2 in (12.7 mm)
• Sprocket Style: Type B (Single Hub)
• Bore Type: Finished Bore with Keyway
• Bore Size: 1 in
• Material: Carbon Steel
• Tooth Hardening: Hardened Teeth
• Outside Diameter: 4.738 in
• Pitch Diameter: 4.465 in
• Length Through Bore: 1.000 in
• Weight: 2.35 lb
• Mounting: Keyed shaft mount with two set screws
• Function: Drives ANSI No. 40 roller chain for mechanical power transmission
• Application: Conveyors, packaging machinery, printing equipment, agricultural machinery, material handling systems, and industrial automation equipment

Common Replacements:

• Tsubaki H40B27F-1 Roller Chain Sprocket
• Tsubaki H40B30F-1 Roller Chain Sprocket
• Tsubaki 40B28F-1 Roller Chain Sprocket