3939-B4 chain is an 8” pitch version of 81X chain and is used for lumber conveying. It is typically used in drop sorter applications.
Lumber is conveyed using J-bar attachments on the chain. Tsubaki can install the J-bars on the chain. Tsubaki can also supply sprockets
to work with 3939-B4 chain. Please contact Tsubaki Technical Support for more information.
Unit of Measure
Pitch - P |
N/A 8.000 in |
Roller Diameter - R |
N/A 0.906 in |
Width Between Inner Link Plates - W |
N/A 1.063 in |
Link Plate Thickness - T1 |
N/A 0.156 in |
Link Plate Thickness - T2 |
N/A 0.156 in |
Link Plate Height - H |
N/A 1.125 in |
Pin Diameter - D |
N/A 0.437 in |
Pin Length - L1+L2 |
N/A 2.100 in |
Pin Length - L1 |
N/A 0.966 in |
Pin Length - L2 |
N/A 1.134 in |
D1 - Attachment |
N/A 0.281 in |
P1 - Attachment |
N/A 2.000 in |
P2 - Attachment |
N/A 1.500 in |
P3 - Attachment |
N/A 1.250 in |
