81X Chain Sprockets
We supply the widest selection of 81X roller chain sprockets in the world! All of our 81x sprockets are manufactured using high-quality materials and are precision manufactured for optimum performance and working life. The majority of out 81X chain sprockets are manufactured from steel, but we also have cast sprockets. For washdown applications, we also supply high-quality 303, 304, 316-grade stainless steel 81X sprocket as well as plastic 81X sprockets.
81X sprockets work with chain sizes: 81X, 81XH, 81XHH, 81XHD, 81XXHD, 81XHS, 81X-RT, 81XHT
Note: our 81X sprockets interchange with other brands!
Common configurations for 81X sprockets are A-plate which is a simple plate sprocket, B-Hub which has a hub on one side, C-Hub which has a hub on both sides, idler, as well as split construction for both A and B hub style sprockets. Because of the ease in replacing, split sprockets are actually becoming more and more popular and the preference for most facilities, despite the higher initial cost.
81X Chain Sprocket Dimensions
To check the dimensions on your 81X sprocket select the tooth count under your configuration on the below chart.
Note: Plastic and stainless steel 81X sprockets are also available upon request.
Additional 81X Sprocket Types
We also supply the below configurations for 81X sprockets.
81X Hooked Tooth Sprockets
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Sprocket Size
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Tooth Count
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Style
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Outside Diameter
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Hub Diameter
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Length Thru Bore
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Stock Bore
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Max Bore
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81X-B8RH
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8
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B
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6.5"
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2.375"
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1.625"
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1"
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1.5"
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81X-B8LH
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8
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B
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6.5"
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2.375"
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1.625"
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1"
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1.5"
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81X C-Hub Sprockets
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Sprocket Size
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Tooth Count
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Style
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Outside Diameter
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Hub Diameter
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Length Thru Bore
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Stock Bore
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Max Bore
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81XC7
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7
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C
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5.75"
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2.375"
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2.375"
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0.75"
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1.5"
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81XC8
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8
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C
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6.75"
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2.375"
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2.375"
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0.75"
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1.5"
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81XC9
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9
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C
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7.438"
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2.375"
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2.375"
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0.75"
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1.5"
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81X Star Gear Sprocket
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Sprocket Size
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Tooth Count
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Style
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Outside Diameter
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Hub Diameter
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Length Thru Bore
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Stock Bore
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Max Bore
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81X-SG510
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10
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B
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4.484"
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2.375"
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2"
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1"
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1.5"
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Please note that 81X sprockets work with a much wider variety of chains besides 81X series.
Cast sprockets are compatible with the following sizes: 75, 78, 88, H78, H79, BRH, 188, C188 conveyor chain, SS188, 78, MXS882, MSR1288, 433-1/2, H74, H75, H78A rooftop chain, H78B rooftop chain, H78SR, BRH188 conveyor chain, MW188RT, 488 pintle chain, SS578, and 81X.
Steel sprockets are compatible with the following sizes: 78, H74, 75, H75, H78LR, H75RT, H78SR, H79, 88, 188, S188, S78, R588, RR588, R778, RR778, 988, IS880, 87R, IS881, 81X, IS882, 433-1/2, LXS881, LXS886, US881, LXS887, LXS882, 488 pintle chain, XS578, SS188, C188 conveyor chain, US278R, US882, 578R, and 588R.
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Requesting 81X-Series Sprockets
To get a quote on 81X-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.
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