
120 Roller Chain Features
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- Solid rollers for increased performance and load bearing.
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- Precision heat-treatment on all components = better durability.
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- Shot peened to increase fatigue strength and alleviate stress concentrations.
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- Conforms to ANSI B29.1 Standards
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- 35,100 Average Tensile Strength
120 Roller Chain Dimensions
Imperial:
Pitch: 1.500"
Roller Diameter: 0.875"
Width Between Interpolates: 1.000"
Pin Diameter: 0.437"
Overall Width of Chain: 2.030"
Overall Width of Connecting Link: 2.300"
Plate Height: 1.410"
Plate Thickness: 0.187"
Average Ultimate Tensile Strength: 35,100 LBS
Weight Per Foot: 2.6 LBS
Metric Dimensions:
Pitch: 38.1mm
Roller Diameter: 22.23mm
Width Between Interpolates: 25.40mm
Pin Diameter: 11.10mm
Overall Width of Chain: 50.40mm
Overall Width of Connecting Link: 53.80mm
Plate Height: 35.00mm
Plate Thickness: 4.70mm
Weight Per Foot: 6.18 kG/ M
Additional Common Part Numbers:
24A-1, RC120, 120-1, 120R, 120RCB, ASA 120-1
Upgraded #120 Roller Chains
At USA Roller Chain on-top of the "standard" roller chains we stock an array of upgraded chains. Upgrades on these chains range from solid bushings, to boron-steel through hardened pins. Below are the different quality levels on top of our base-quality roller chain. If you need help deciding the right fit for your application please contact our service team and we will be happy to assist you.36,800 LBS Tensile Strength | 37,400 LBS Tensile Strength |
Factory Pre-Loaded | 6,820 LBS Working Load |
Better Heat-Treat | Factory Pre-Loaded |
Higher Quality Carbon Steel | Best Heat-Treatment on All Parts |
-- | Extra-Hardened Pins |
-- | Best-Grade Carbon Steel |
-- | Solid Bushings |
-- | Premium Quality Lubricant |
-- | Highest Strength ANSI Chain |
120 Roller Chain Options
Cottered #120 Roller Chain | Heavy Duty 120H Roller Chain | Super Heavy 120SH Roller Chain | Double Capacity 120DC Chain |
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- Nickel Plated
- Dacromet Coated
- 304-Stainless Steel
- 316-Stainless Steel
Feature
- Solid rollers for increased performance and load bearing.
- Precision heat-treatment on all components = better durability.
- Shot peened to increase fatigue strength and alleviate stress concentrations.
- Conforms to ANSI B29.1 Standards
- 35,100 Average Tensile Strength


Pitch: 1.500"
Roller Diameter: 0.875"
Width Between Interpolates: 1.000"
Pin Diameter: 0.437"
Overall Width of Chain: 2.030"
Overall Width of Connecting Link: 2.300"
Plate Height: 1.410"
Plate Thickness: 0.187"
Average Ultimate Tensile Strength: 35,100 LBS
Weight Per Foot: 2.6 LBS
Metric Dimensions:
Pitch: 38.1mm
Roller Diameter: 22.23mm
Width Between Interpolates: 25.40mm
Pin Diameter: 11.10mm
Overall Width of Chain: 50.40mm
Overall Width of Connecting Link: 53.80mm
Plate Height: 35.00mm
Plate Thickness: 4.70mm
Weight Per Foot: 6.18 kG/ M