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102.5-Series Sprockets

102.5-Series Sprockets

102.5 series engineer class sprockets are used for a wide verity of chain sizes. For cast sprockets, these sizes include A102B, S102B, C102B conveyor chain, SS102B, 6102B, ER102B, and SBS102B. These sprockets are typically supplied as cast material but we can also supply them as steel for longer operation. The below chart shows the standard tooth counts, as well as dimensions for each size. To get a quote on the sprocket or chain, please contact us or fill out the below request form and we will be happy to assist you.
Cast 102.5-Series Sprockets

Note: Tooth Face at Pitch Line: 1.875"/ Roller Diameter: 1.375"
Sprocket Size Tooth Count Style Pitch Diameter Hub Diameter Length Through Bore Maximum Bore Weight (LBS)
102.5C6 6 C 8.08" 5.00" 3.50" 3.94" 30
102.5C8 8 C 10.56" 6.00" 4.00" 4.44" 55
102.5C9 9 C 11.81" 6.00" 4.00" 5.44" 62
102.5C10 10 C 13.07" 6.00" 4.00" 5.94" 62
102.5C11 11 C 14.34" 6.00" 4.00" 5.94" 76
102.5C12 12 C 15.61" 6.00" 4.00" 5.94" 106
102.5C13 13 C 16.88" 6.00" 4.00" 5.94" 85
102.5C14 14 C 18.16" 6.00" 4.00" 5.94" 94
102.5C15 15 C 19.43" 6.00" 4.00" 5.94" 105
102.5C16 16 C 20.71" 8.00" 5.00" 6.00" 112
102.5C17 17 C 21.98" 8.00" 5.00" 6.00" 122
102.5C19 19 C 24.55" 8.00" 5.00" 6.00" 140
102.5C20 20 C 25.83" 10.00" 6.00" 8.00" 150
102.5C22 22 C 28.39" 10.00" 6.00" 8.00" 175
102.5C24 24 C 30.95" 10.00" 6.00" 8.00" 190
102.5C25 25 C 32.23" 10.00" 6.00" 8.00" 210
102.5C26 26 C 33.33" 10.00" 6.00" 8.00" 230



Requesting 102.5-Series Sprockets

To get a quote on 102.5-Series Sprocket simply fill out the request for quote from and someone from our customer service team will contact you. Please note that if you don't see the sprocket size you need above send us an email or give us a call.


Company Name:
Contact Name:
Email Address:
Phone Number:
Sprocket Size:
Chain Size:
Tooth Count:
Hub Type (A-plate, B-Hub, C-Hub, other):
Length Thru Bore:
Bore Size/ Type (plain, finished w/ key-way & set screws, or other):
Preferred Material (steel, cast, or other):
Quantity Needed:

Additional Information or Notes:


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Frequently Asked Questions

  • If your order is less than $300, no problem! Please give us a call at 407-347-3519 or email Sales@usarollerchain.com, and we will be happy to assist you!

  • USA Roller Chain utilizes an extensive network of vendors and warehouses to ensure you get your items quickly! Our primary roller chain warehouse is located in Clermont, FL, but we have warehouses located all across the United States. Your order will be shipped from the closest warehouse to you that has your requested product in stock. This speeds up transit times and saves you money on shipping! If you have any questions about where an item will ship from, please CONTACT US

  • In-stock items are typically shipped out in 1-3 business days.Made-to-order item lead times vary from 1-2 days up to 14-20+ weeks, depending on the product. If you need your items urgently, please let us know, and we will do our best to meet your required delivery date! If you have any questions, please CONTACT US

  • If you are having an issue with your order, please CONTACT US as soon as possible so we can resolve it for you.

    Most in-stock items can be returned within 30 days of the shipment date. MTO or Custom orders are not eligible for a return or refund. For a detailed explanation of our return policies, please click here.

  • Absolutely! We may be called "USA Roller Chain", but we ship worldwide! Please CONTACT US for Export/International quotes or orders.