Tsubaki H100Q21 Single Roller Chain Sprocket 21 Teeth

Description:

The Tsubaki H100Q21 Single Roller Chain Sprocket is used in heavy-duty industrial power transmission systems to drive ANSI No. 100 roller chains for efficient torque transfer and reliable machine operation. Commonly installed in conveyors, bulk material handling equipment, mining machinery, aggregate processing systems, agricultural equipment, and industrial manufacturing lines utilizing chain-driven mechanisms. Maintenance teams and system integrators use this sprocket for repair, retrofit, expansion, or replacement to restore precise chain engagement and dependable mechanical power transmission.

Applications:

The Tsubaki H100Q21 single roller chain sprocket is engineered for demanding industrial chain drive applications requiring high strength and long service life. Its hardened teeth, Type B hub, and QD bushing mount provide excellent wear resistance and simplified installation, making it ideal for conveyors, crushers, processing equipment, heavy-duty material handling systems, and other industrial machinery operating under continuous or shock-loaded conditions.

Technical Specifications:

• Manufacturer: Tsubaki Emerson Co.
• Model / Part Number: H100Q21
• Product Type: Single Roller Chain Sprocket
• Series: H Series Heavy-Duty Sprocket
• Compatible Chain Size: ANSI No. 100 Roller Chain
• Number of Teeth: 21
• Number of Strands: Single Strand
• Chain Pitch: 1-1/4 in (31.75 mm)
• Sprocket Style: Type B (Single Hub)
• Bore Type: QD Bushing Bore
• QD Bushing Size: Q
• Bore Size: 2-7/8 in (with Q bushing)
• Material: Heat-treated carbon steel
• Tooth Hardening: Hardened Teeth
• Pitch Diameter: 8.388 in
• Outside Diameter: 9.044 in
• Mounting: QD bushing mounted on keyed shaft
• Function: Drives ANSI No. 100 roller chain for heavy-duty mechanical power transmission
• Application: Conveyors, mining equipment, aggregate processing machinery, agricultural equipment, and material handling systems

Common Replacements:

• Tsubaki H100Q20 Roller Chain Sprocket
• Tsubaki H100Q22 Roller Chain Sprocket
• Tsubaki 100B21 Roller Chain Sprocket