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50-4 Chain Sprockets

50-4 Chain Sprockets

Our four-strand 50-4 Roller Chain Sprockets are manufactured in accordance with ANSI B29 standards and boast high-precision tolerances for dependable and consistent performance with the 0.625" pitch chain. We also stock 50-4 roller chain and a wide range of other components such as v-belt pulleys, electric motors, gear reducers, bearings, and more! The below chart shows standard 50-4 chain sprockets but we also supply custom roller chain sprockets and specific bore sprockets. For more information or to get a quote please contact us and we will be happy to assist you!

50-4 Quadruple Sprocket Size Chart

50-4 B-Hub Sprockets


Sprocket Size Tooth Count Outside Diameter Stock Bore Max. Recommended Bore Hub Diameter Length Thru Bore Weight (LBS)
F50B13 13 2.910" 5/8" 1-1/8" 1-7/8" 3-1/4" 3.20
F50B14 14 3.110" 3/4" 1-1/4" 2-1/16" 3-1/4" 3.70
F50B15 15 3.320" 3/4" 1-11/16" 2-9/32" 3-1/4" 4.40
F50B16 16 3.520" 3/4" 1-3/4" 2-15/32" 3-1/4" 5.20
F50B17 17 3.720" 3/4" 1-3/4" 2-11/16" 3-1/4" 6.00
F50B18 18 3.920" 1" 1-3/4" 2-7/8" 3-1/4" 6.60
F50B19 19 4.120 1" 1-3/4" 3-1/16" 3-1/4" 7.50
F50B20 20 4.320 1" 1-13/16" 3-1/4" 3-3/8" 8.80
F50B21 21 4.520 1" 1-13/16" 3-1/4" 3-3/8" 9.60
F50B22 22 4.720 1" 2-1/8" 3-5/8" 3-3/8" 11.00
F50B23 23 4.920 1" 2-1/8" 3-5/8" 3-3/8" 11.90
F50B24 24 5.120 1" 2-1/8" 3-5/8" 3-3/8" 12.80
F50B25 25 5.320 1" 2-1/4" 3-3/4" 3-3/8" 13.00
F50B26 26 5.520 1" 2-1/4" 3-3/4" 3-3/8" 15.00
F50B27 27 5.720 1" 2-1/4" 3-3/4" 3-3/8" 16.10
F50B28 28 5.920 1" 2-1/4" 3-3/4" 3-3/8" 17.20
F50B30 30 6.320 1" 2-1/4" 3-3/4" 3-1/2" 19.90
F50B32 32 6.720 1" 2-1/4" 3-3/4" 3-1/2" 22.40
F50B35 35 7.320 1" 2-1/4" 3-3/4" 3-1/2" 26.60
F50B36 36 7.520 1" 2-5/8" 4-1/4" 3-1/2" 28.90
F50B40 40 8.320 1" 2-5/8" 4-1/4" 3-1/2" 35.20
F50B42 42 8.720 1-3/16" 2-5/8" 4-1/4" 3-1/2" 38.30
F50B45 45 9.310 1-3/16" 2-5/8" 4-1/4" 3-1/2" 43.70
F50B48 48 9.910 1-3/16" 2-5/8" 4-1/4" 3-1/2" 49.50
F50B52 52 10.710 1-3/16" 2-5/8" 4-1/4" 3-1/2" 57.90
F50B54 54 11.110 1-5/16" 2-5/8" 4-1/4" 3-1/2" 62.00
F50B60 60 12.300 1-5/16" 2-5/8" 4-1/4" 3-5/8" 76.70



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.