Roller Attachment Link Attachment Number SA-1 Attachment Type Tab Material Steel Chain Overall Width 0.579 in Chain Number 41 Roller Diameter 19/64 in Finish Plain Pitch 1/2 in Link Type Roller Attachment Centerline to Attachment End 0.313 in Centerline to Hole Center 0.266 in Extended Pin Diameter 0.141 in Lubrication SAE 10 to SAE 50 Maximum Operating Temperature 300 Degrees F Minimum Operating Temperature 15 Degrees F Number of Tab Holes 1 Pin Contruction Riveted Pin