ProductsTransmission Chain

A-Series Pitch Precision Roller Chain

Our A-Series Short Pitch Precision Roller Chains are manufactured to ANSI/ISO standards, delivering reliable power transmission for machinery across manufacturing, agriculture, material handling, and automation sectors. Built with high-grade alloy steel and heat-treated components, these chains are engineered to withstand continuous operation, shock loads, and demanding industrial environments.
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Description

Key Benefits

  • ANSI/ISO Compliance: Manufactured to exact ANSI B29.1 standards, ensuring interchangeability with major global brands and compatibility with standard sprockets.

  • Enhanced Durability: Shot-peened link plates, hardened pins, and precision-ground rollers minimize wear, extending service life by up to 30% compared to generic chains.

  • High Load Capacity: Optimized material composition and precision manufacturing deliver superior tensile strength and fatigue resistance for heavy-duty applications.

  • Low Maintenance: Smooth roller action reduces friction, noise, and lubrication requirements, cutting downtime and operational costs.

  • Versatile Configurations: Available in simplex, duplex, triplex, and multi-strand designs, with optional attachments for custom conveyor or specialized transmission needs.


Technical Specifications & Compliance


Simplex roller chains &bush chains













ISO/ANSI/DIN
Chain No.
P
mm
   d1
 max
 mm
b1
min
mm
d2
max
mm
L
max
mm
Lc
max
mm
h2
max
mm
T
max
mm
120 38.1000 22.23 25.22 11.10 50.30 54.30 35.70 4.80 
140 44.4500 25.40 25.22 12.70 54.40 59.00 41.00 5.60 
160 50.8000 28.58 31.55 14.27 64.80 69.60 47.80 6.40 
180 57.1500 35.71 35.48 17.46 72.80 78.60 53.60 7.20 
200 63.5000 39.68 37.85 19.85 80.30 87.20 60.00 8.00 
240 76.2000 47.63 47.35 23.81 95.50 103.00 72.39 9.50 


Duplex roller chains &bush chains



ISO/ANSI/DIN
Chain No.
P
mm
   d1
   max
   mm
b1
min
mm
d2
max
mm
L
max
mm
Lc
max
mm
h2
max
mm
T
max
mm
Pt
mm
100-231.750 19.05 18.90 9.53 76.4 80.5 30.00 4.00 35.76 
120-238.100 22.23 25.22 11.10 95.8 99.7 35.70 4.80 45.44 
140-244.450 25.40 25.22 12.70 103.3 107.9 41.00 5.60 48.87 
160-250.800 28.58 31.55 14.27 123.3 128.1 47.80 6.40 58.55 
180-257.150 35.71 35.48 17.46 138.6 144.4 53.60 7.20 65.84 
200-263.500 39.68 37.85 19.85 151.9 158.8 60.00 8.00 71.55 
240-276.200 47.63 47.35 23.81 183.4 190.8 72.39 9.50 87.83 


Triplex roller chains &bush chains

















ISO/ANSI/
DIN
Chain No.
Chain
No.
P
mm
d1
   max
   mm
b1
min
mm
d2
max
mm
L
max
mm
Lc
max
mm
h2
max
mm
T
max
mm
Pt
mm
Average
tensile
strength
Q0
kN
100-320A-331.750 19.05 18.90 9.53 112.2 116.3 30.00 4.00 35.76 322.8 
120-324A-338.100 22.23 25.22 11.10 141.4 145.2 35.70 4.80 45.44 489.3 
140-328A-344.450 25.40 25.22 12.70 152.2 156.8 41.00 5.60 48.87 667.5 
160-332A-350.800 28.58 31.55 14.27 181.8 186.6 47.80 6.40 58.55 800.7 
180-336A-357.150 35.71 35.48 17.46 204.4 210.2 53.60 7.20 65.84 1083.3 
200-340A-363.500 39.68 37.85 19.85 223.5 230.4 60.00 8.00 71.55 1400.4 
240-348A-376.200 47.63 47.35 23.81 271.3 278.6 72.39 9.50 87.83 2014.8 





Compliance & Certifications

  • ISO 9001:2015 Quality Management System

  • ANSI B29.1 Standard for Roller Chains

  • RoHS Compliant Materials (upon request)

  • Optional Third-Party Test Reports Available


Advanced Surface Treatments (Optional)

Zinc plating for corrosion resistance in humid or outdoor environments

Black oxide coating for enhanced wear resistance and reduced friction

Special lubrication coatings for low-maintenance or food-grade applications (upon request)


IndustryKey Applications
Manufacturing & AutomationConveyor systems, assembly lines, packaging machinery, CNC equipment
AgricultureFarm equipment, harvesters, grain processing machinery, irrigation systems
Material HandlingForklifts, overhead cranes, warehouse conveyors, palletizers
Textile & PrintingLooms, printing presses, textile processing equipment
Food & BeverageBottling lines, processing machinery (with food-grade lubrication options)
General MachineryPumps, compressors, industrial fans, power transmission systems


Reliability Backed by Rigorous Testing

  • Quality Control Processes

    • 100% dimensional inspection for all components

    • Tensile strength, fatigue, and wear testing per ISO/ANSI standards

    • Batch traceability for every production run

    • In-house metallurgical testing to verify material composition and heat treatment

  • After-Sales Commitment

    • Standard warranty against manufacturing defects

    • Fast lead times for standard and custom orders

    • Global shipping and logistics support

    • Responsive customer service team for technical inquiries and order support


Whether you need standard A-series chains or a custom solution for a unique application, our team is ready to help. Get in touch today to discuss your requirements and receive a personalized quote!!!


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