Roller Chain Sprocket 12B‑1 Z9 - 3/4″ (19.05 mm) ISO/DIN Hardened Steel

Roller Chain Sprocket 12B‑1 Z9 - 3/4″ (19.05 mm) ISO/DIN Hardened Steel

The Roller Chain Sprocket 12B‑1 Z9 is a precision-engineered sprocket designed for single-strand 12B‑1 roller chains, featuring a 3/4″ (19.05 mm) pitch and 9 teeth (Z9). Manufactured in hardened steel conforming to ISO 606 / DIN 8187, it offers durability and exact chain engagement.

Key Specs:

• Chain compatibility: 12B‑1 (3/4″ x 7/16″) according to ISO 606 / DIN 8187 standards

• Tooth count: 9 (Z9)

• Pitch diameter (Dp): approx. 55.7 mm; Outer diameter (Do): ~62.0 mm

• Roller diameter: 12.07 mm; Inner width (b1): 11.68 mm

• Hub bore: ~12 mm; Total width: ~30 mm

• Material & durability: Hardened C45/C43 steel (HRC 45-55) for long wear life

Benefits for Your Application:

• Excellent compatibility with ISO 12B‑1 roller chains ensures smooth and quiet operation

• Hardened steel construction delivers longevity and resistance to wear

• Standardized dimensions simplify replacement and retrofitting

• Ideal for light and medium-duty drives, conveyors, and material handling systems

🔑 Keywords

❓ FAQ

Q: Which chain does this sprocket fit?
A: Compatible with 12B‑1 roller chains (3/4″ x 7/16″ pitch), meeting ISO 606 / DIN 8187 specifications

Q: How many teeth does it have?
A: It features 9 teeth, making it suitable for achieving desired speed and torque ratios

Q: What materials and hardness are used?
A: Made from hardened C45 steel (or C43 if hubbed), with hardened teeth (HRC 45-55) for durability .

Q: What are the dimensions?
A: Pitch diameter ~55.7 mm, outer diameter ~62 mm, roller diameter 12.07 mm, total width ~30 mm

Q: What applications is it suitable for?
A: Ideal for light to medium industrial machinery, conveyors, lifting systems, and mechanical drives.

Q: Delivery information?
📍 Warehouse: Smoluchowskiego 1, Building 4, Lublin, Poland
🚚 24h delivery - Nationwide & International Shipping from simmering.pl