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635-Series Sprockets

635-Series Sprockets

635 series engineer class sprocket are used for a wide verity of chain sizes. These sizes include RO635, B635, X635, 1350, 450SX, 450SXX, IS4522, 1340RX, and LXS4522M. These sprockets are typically supplied as cast material but we can also supply them as steel for longer operation. The below chart show 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.




Steel 635-Series Sprockets


Note: Plate Thickness: 1.75"/ Roller Diameter: 2.25"
Sprocket Size Tooth Count Style Pitch Diameter Stock Bore Maximum Bore Hub Diameter Length Thru Bore Weight (LBS)
635C10 10 C 14.56" 1.5" 4.00" 6.50" 5.00" 111.0
635C12 12 C 17.39" 1.5" 4.00" 6.50" 5.00" 148.0
635C14 14 C 20.22" 1.5" 4.00" 6.50" 5.00" 188.0
635C30 30 C 43.05" 1.5" 5.375" 7.50" 5.875" 592.0
635C36 36 C 51.63" 1.5" 5.375" 7.50" 5.875" 764.0
635C42 42 C 60.22" 1.5" 6.50" 9.50" 7.25" 884.0
635C48 48 C 68.81" 1.5" 7.50" 11.00" 7.75" 1174.0
635A10 10 A 14.56" 1.5" - - - 87.0
635A12 12 A 17.39" 1.5" - - - 119.0
635A14 14 A 20.22" 1.5" - - - 159.0
635A30 30 A 43.05" 1.5" - - - 542.0
635A36 36 A 51.63" 1.5" - - - 715.0
635A42 42 A 60.22" 1.5" - - - 776.0
635A48 48 A 68.81" 1.5" - - - 963.0



Requesting 635-Series Sprockets

To get a quote on 635-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:


Please enter the following code into the box provided:
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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.