The 40-1DR X 10FT is an ansi standard roller chain for industrial and OEM power transmission, conveyor and agricultural drives. Manufactured to ANSI specifications for accurate fit and dependable performance. Specifications: - Manufacturer Part Number: 40-1DR X 10FT - Product Type: ANSI Standard Roller Chain - Chain Material: Steel - Pitch: 12.7 mm - Chain Size (Number): 40 - Number of Strands: 1 - Roller Diameter: 7.92 mm - Chain Construction: Riveted - Finish/Coating: Light Oil Preservative - Average Ultimate Strength: 3900 lb - Part Weight: 4.1669208 lb Stocked and shipped fast from offroadbelts.com. Industrial-grade replacement part for OEM, MRO and maintenance buyers — order with confidence.