81X Chain 81X Conveyor Chain 81X Lumber Conveyor Chain
81X chain features a 2.609" pitch and is categorized as a steel bushed roller chain within the engineer class of chains. Its commonly referred to as an 81X conveyor chain due to the straight side-bar design and common usage within conveying applications. Most commonly, this 81X lumber conveyor chain is found in the lumber and forestry industry and is available with upgrades such as "chrome pins" or heavier-duty sidebars. Our high-strength chain is manufactured to ANSI specifications and dimensionally interchanges with other brands, meaning sprocket replacement is not necessary. We also supply 81X chain sprockets and 81X chain attachments, and we have an 81X chain breaker. Because of its high-strength and effective design, this 81X chain can be found in applications all around the world, such as lumber, agriculture, mills, grain handling, and many more drive and conveying applications.![]() | ![]() |

| Chain No: | 81X Chain (81X Conveyor Chain) |
| Pitch Size: | 2.609 Inch |
| Roller Diameter: | 0.906 Inch |
| Width Between Inner Plates: | 1.063 Inch |
| Pin Diameter: | 0.437 Inch |
| Pin Length L Max: | 1.929 Inch |
| Pin Length Lc Max: | 2.106 Inch |
| Inner Plate Depth: | 1.122 Inch |
| Plate Thickness: | 0.157 Inch |
| Average Tensile Strength: | 28979 lb |
| Material: | Carbon Steel |
| Length: | 10 Feet |
| Weight Per Foot: | 2.533 Ibs |
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| A-Plate 81X Chain Sprockets | B-Hub 81X Chain Sprockets | C-Hub 81X Chain Sprockets |
| A-Plate | B-Hub | C-Hub | B-Split Sprockets | C-Split Sprockets | Idler Sprockets | Plastic Sprockets |
|---|---|---|---|---|---|---|
| 81XA7 | 81XB7 | 81XC7 | SPLIT-81XB7 | SPLIT-81XC7 | 7-TOOTH | 5-TOOTH |
| 81XA8 | 81XB8 | 81XC8 | SPLIT-81XB8 | SPLIT-81XC8 | 8-TOOTH | 6-TOOTH |
| 81XA9 | 81XB9 | 81XC9 | SPLIT-81XB9 | SPLIT-81XC9 | 9-TOOTH | 8-TOOTH |
| 81XA10 | 81XB10 | 81XC10 | SPLIT-81XB10 | SPLIT-81XC10 | 10-TOOTH | 9-TOOTH |
| 81XA11 | 81XB11 | 81XC11 | SPLIT-81XB11 | SPLIT-81XC11 | 11-TOOTH | 10-TOOTH |
| 81XA12 | 81XB12 | 81XC12 | SPLIT-81XB12 | SPLIT-81XC12 | 12-TOOTH | 12-TOOTH |
| 81XA13 | 81XB13 | 81XC13 | SPLIT-81XB13 | SPLIT-81XC13 | 13-TOOTH | 13-TOOTH |
| 81XA14 | 81XB14 | 81XC14 | SPLIT-81XB14 | SPLIT-81XC14 | 14-TOOTH | 14-TOOTH |
| 81XA15 | 81XB15 | 81XC15 | SPLIT-81XB15 | SPLIT-81XC15 | 15-TOOTH | -- |
| 81XA16 | 81XB16 | 81XC16 | SPLIT-81XB16 | SPLIT-81XC16 | 16-TOOTH | -- |
| 81XA17 | 81XB17 | 81XC17 | SPLIT-81XB17 | SPLIT-81XC17 | 17-TOOTH | -- |
| 81XA18 | 81XB18 | 81XC18 | SPLIT-81XB18 | SPLIT-81XC18 | 18-TOOTH | -- |
| 81XA19 | 81XB19 | 81XC19 | SPLIT-81XB19 | SPLIT-81XC19 | 19-TOOTH | -- |
| 81XA20 | 81XB20 | 81XC20 | SPLIT-81XB20 | SPLIT-81XC20 | 20-TOOTH | -- |

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Luotuo Industrial Area, Zhenhai District, Ningbo City, China
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