A557-K39M attachment connector link. A557 agricultural roller chain is a popular conveyor chain used in the agricultural industry. We supply this product as an premium chain suitable for a wide variety of applications. The primary brand supplied is TIMKEN, however this may be substituted by an equivalent brand depending on availability. If brand is critical please contact us to confirm the brand currently in stock.
Chain Dimensions |

|
Specification |
Ref |
Dimension |
Chain Size |
|
A557 - K39M |
Pitch |
P |
1.630" |
Roller Width |
W |
0.797" |
Roller Diameter |
D |
0.700" |
Overall Width Riveted |
C |
1.469" |
Overall Width Cottered |
C |
1.594" |
Link Plate Height |
H |
0.906" |
Link Plate Thickness |
T |
0.125" |
Pin Diameter |
E |
0.315" |
Attachment Dimensions

|
Specification |
Ref |
Dimension |
Attachment |
|
K39M |
Hole Spacing |
J |
2.250" |
Attachment Width |
K |
3.054" |
Hole Diameter |
N |
0.403" |
Hole Position |
M |
0.625" |
Vertical Postion |
L |
0.550" |
Plate Thickness |
T |
0.120" |