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ANSI #50 Roller Chain
ANSI #50 roller chain, 15.88mm (5/8") pitch to B29.1. Heat-treated, shot-peened, pre-lubricated. Fast quote for #50 chain & sprockets, global shipping.
Detail Information
About ANSI #50 Roller Chains
CTS® #50 Roller Chain
Our #50 roller chains adhere to ANSI B29.1 Standards, ensuring complete interchangeability with other ANSI-certified roller chains and proper operation on #50 chain sprockets. Crafted with precision, our roller chains feature high-quality heat-treated, shot-peened, and hardened components, complemented by a factory-applied premium lubricant for optimal performance.
The #50 roller chain (5/8-inch pitch) is one of the most common chain sizes used in agricultural and conveying equipment, frequently found in harvesters, balers, conveyor lines, packaging machinery, automotive production lines, and general industrial drive applications. Offering approximately 30% higher load capacity than the #40 roller chain while being more compact than the ANSI 60 roller chain, it represents a balanced choice for medium-duty operations. The #50 chain featured here complies with ANSI B29.1 standards and is interchangeable with all standard-compliant 5/8-inch pitch sprockets.
Quality Assurance:
ISO9001: 2015 and GB/T24001-2016 / ISO14001: 2015.
ANSI #50 Roller Chain Size
#50 Roller Chain Dimensions
- Pitch(P): 15.8750 mm
- Roller diameter(d1): 10.16 mm
- Width between inner plates(b1): 9.40 mm
- Pin diameter(d2): 5.08 mm
- Pin length(L): 20.70 mm
- Pin length(Lc): 22.20 mm
- Inner plate depth(h2): 15.09 mm
- Plate thickness(T): 2.03 mm
- Tensile strength: 22.20/5045 kN/lbf
- Weight per meter: 1.02 kg/m
#40 Roller Chain VS #50 Roller Chain
The comparison table above lists the key dimensional differences between #40 and #50 chains.
| Feature | ANSI #50 Roller Chain | |
| Pitch | 12.70mm | 15.88mm |
| Inner Width | 7.92mm | 9.53mm |
| Pin Diameter | 3.96mm | 5.08mm |
Simply put: the larger the pitch, the higher the load-carrying capacity per link. #40 is suitable for light-load, high-speed applications, while #50 is suited for medium-load, standard operating conditions. For applications requiring greater strength, the #50H heavy-duty series chain is available—featuring thicker link plates and higher tensile strength, while maintaining the same pitch and sprocket compatibility.
Need a quote for #50 chain or matching chain sprockets? Please provide the quantity and operating conditions; we will respond within 24 hours with pricing, lead times, and shipping options.
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