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103-Series Sprockets

103 series engineer class sprocket are used for a wide verity of chain sizes. These sizes include 103, SBO2103, C9103, WH9103HD, SCA9103, C131 conveyor chain, ER131, SBS131, and WH82. 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.

Cast 103-Series Sprockets


Note: Tooth Face at Pitch Line: 1.125"/ Roller Diameter: 1.218"
Sprocket Size Tooth Count Style Pitch Diameter Hub Diameter Length Thru Bore Maximum Bore Weight (LBS)
103C6 6 C 6.15" 4.00" 3.00" 1.94" 13.0
103C7 7 C 7.09" 4.00" 3.00" 2.69" 23.0
103C8 8 C 8.04" 5.50" 4.00" 3.62" 24.0
103C9 9 C 8.99" 5.50" 4.00" 3.62" 29.0
103C10 10 C 9.95" 6.00" 4.00" 4.00" 29.0
103C11 11 C 10.91" 6.00" 4.00" 4.00" 33.0
103C12 12 C 11.88" 6.50" 4.00" 4.50" 41.0
103C13 13 C 12.85" 6.50" 4.00" 4.50" 48.0
103C14 14 C 13.82" 6.50" 4.00" 4.50" 49.0
103C15 15 C 14.79" 6.50" 4.00" 4.50" 51.0
103C16 16 C 15.76" 6.50" 4.00" 4.50" 76.0
103C17 17 C 16.74" 6.50" 4.00" 4.50" 73.0
103C18 18 C 17.71" 6.50" 4.00" 4.50" 76.0
103C19 19 C 18.68" 7.00" 5.00" 4.56" 93.0
103C20 20 C 19.66" 7.00" 5.00" 4.56" 100.0
103C21 21 C 20.63" 7.00" 5.00" 4.56" 114.0
103C22 22 C 21.61" 7.00" 5.00" 4.56" 122.0
103C23 23 C 22.58" 7.00" 5.00" 4.56" 131.0
103C24 24 C 23.56" 7.00" 5.00" 4.56" 121.0
103C25 25 C 24.53" 7.00" 5.00" 4.56" 120.0
103C26 26 C 25.51" 7.00" 5.00" 4.56" 151.0
103C27 27 C 26.49" 7.00" 5.00" 4.56" 157.0
103C28 28 C 27.49" 8.00" 6.00" 6.00" 164.0
103C29 29 C 28.44" 8.00" 6.00" 6.00" 170.0
103C30 30 C 29.42" 8.00" 6.00" 6.00" 177.0
103C31 31 C 30.39" 8.00" 6.00" 6.00" 184.0
103C32 32 C 31.37" 8.00" 6.00" 6.00" 132.0
103C33 33 C 32.35" 8.00" 6.00" 6.00" 197.0
103C34 34 C 33.33" 8.00" 6.00" 6.00" 142.0
103C35 35 C 34.30" 8.00" 6.00" 6.00" 210.0
103C36 36 C 35.28" 8.00" 6.00" 6.00" 216.0
103C38 38 C 37.24" 8.00" 6.00" 6.00" 230.0
103C40 40 C 39.19" 10.00" 6.00" 8.00" 243.0
103C42 42 C 41.15" 10.00" 6.00" 8.00" 256.0
103C44 44 C 43.11" 10.00" 6.00" 8.00" 269.0
103C48 48 C 47.02" 10.00" 6.00" 8.00" 295.0
103C49 49 C 48.00" 10.00" 6.00" 8.00" 301.0



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Requesting 103-Series Sprockets

To get a quote on 103-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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