The slow speed, high load drives typically found in oil rigs, mining applications, power shovels, road building equipment, and other heavy-duty machinery need special chains to last the distance. Tsubaki Heavy Duty Roller Chains (crank link chains) use specially selected alloy steels and heat-treated parts to ensure long trouble-free life under severe operating conditions.

Tsubaki RO heavy duty chain (click here for dimensions)

• RO1613AK - pitch 50.80 mm
• RO3180 - pitch 57.15 mm
• RO25H - pitch 63.50 mm *
• RO568 - pitch 77.90 mm *
• BO2512 - pitch 77.90 mm
• RO3 - pitch 78.11 mm
• RO3H - pitch 78.11 mm
• RO3125 - pitch 79.38 mm
• RO1616 - pitch 88.90 mm *
• RO1338 - pitch 92.08 mm
• RO1644A - pitch 95.25 mm
• RO1664A - pitch 101.60 mm
• RO4 - pitch 103.20 mm
• RO4HF - pitch 103.20 mm
• RO1245 - pitch 103.45 mm *
• RO1343 - pitch 103.89 mm
• RO1345 - pitch 103.89 mm
• RO635 - pitch 114.30 mm *
• RO1602AA - pitch 127.00 mm *
• RO1605AK - pitch 127.00 mm

*Conforms to ANSI = American National Standards Institute