The Diamond American Standard Roller Chain Spare (D28101) is a premium-quality component engineered for superior strength and dependable performance in industrial environments. With a pitch of 44.45 mm (1¾ inch) and a width between inner plates of 25.22 mm, this chain is purpose-built to handle rigorous mechanical stresses in sectors such as manufacturing, mining, construction, and heavy machinery.

This roller chain features a large roller diameter of 25.40 mm and a bearing pin diameter of 12.70 mm, ensuring efficient load transfer and minimal wear. The inner and outer plates, with heights of 42.20 mm and 36.40 mm respectively and thickness of 5.56 mm, provide enhanced durability and resistance to fatigue. The projected bearing area of 4.67 sq.cm allows for effective load distribution, reducing friction and extending chain life.

Weighing 7.24 kg per metre, the D28101 is a heavy-duty solution that provides unparalleled stability under intense operational loads. The chain’s tensile strength of 17,580 Kgf (minimum) guarantees it can withstand high-stress conditions, ensuring long-term reliability in critical applications.

Whether used for system replacement or OEM integration, the D28101 roller chain spare is a trusted component that delivers exceptional performance, strength, and resilience in the toughest working conditions.

Key Specifications:

• Size (Pitch x WIP): 44.45 x 25.22 mm (1¾” x 1″)

• Pitch (P): 44.45 mm

• Width Between Inner Plates (W): 25.22 mm

• Roller Diameter (D): 25.40 mm (Max)

• Bearing Pin Diameter (d): 12.70 mm (Max)

• Plate Height: IP – 42.20 mm, OP – 36.40 mm (Max)

• Plate Thickness: IP – 5.56 mm, OP – 5.56 mm

• Width Over Bearing Pin (A): 54.90 mm (Max)

• Width Over Joints Fasteners (B): 62.30 mm (Max)

• Projected Bearing Area: 4.67 sq.cm

• Average Weight Per Metre: 7.24 kg

• Tensile Strength (Min): 17,580 Kgf

D28101 – Power, precision, and durability in every link.