INTRODUCTION
Forexample,if40pitches(40pins)ofa#40chainweremeasuredandtheresultwas523mm(20.6in)orgreater
(using3%asthemaximumallowablewear),thechainshouldbereplaced.Anythinglessthan523mm(20.6in)
wouldstillbeacceptablebymostindustrialstandards.
WEARLIMITSONROLLERCHAIN
No.40Chain
(08A)
No.50Chain(10A)No.60Chain(12A)No.80Chain(16A)
Strand
Length
in
Pitches
New
Replace
New
Replace
New
Replace
New
Replace
40P
508mm
(20.0in)
523mm
(20.6in)
635mm
(25.0in)
654mm
(25.7in)
762mm
(30.0in)
787mm
(31.0in)
1016mm
(40.0in)
1047mm
(41.2in)
50P
635mm
(25.0in)
654mm
(25.7in)
793mm
(31.2in)
817mm
(32.2in)
952mm
(37.5in)
981mm
(38.6in)
1270mm
(50.0in)
1308mm
(51.5in)
60P
762mm
(30.0in)
784mm
(30.9in)
952mm
(37.5in)
981mm
(38.6in)
1143mm
(45.0in)
1177mm
(46.3in)
1524mm
(60.0in)
1568mm
(61.7in)
70P
889mm
(35.0in)
914mm
(36.0in)
1111mm
(43.7in)
1144mm
(45.0in)
1333mm
(52.5in)
1371mm
(54.0in)
1778mm
(70.0in)
1828mm
(72.0in)
80P
1016mm
(40.0in)
1047mm
(41.2in)
1270mm
(50.0in)
1308mm
(51.5in)
1524mm
(60.0in)
1568mm
(61.7in)
2032mm
(80.0in)
2095mm
(82.5in)
90P
1143mm
(45.0in)
1177mm
(46.3in)
1428mm
(56.2in)
1473mm
(58.0in)
1714mm
(67.5in)
1765mm
(69.5in)
2286mm
(90.0in)
2355mm
(92.7in)
100P
1270mm
(50.0in)
1308mm
(51.5in)
1578mm
(62.1in)
1635mm
(64.4in)
1905mm
(75.0in)
1962mm
(77.2in)
2540mm
(100.0in)
2616mm
(103.0in)
STANDARDROLLERCHAINSIZES-NEWCHAINS
ChainNo.150ChainNo.
PitchWidthRollerDiameter
4008A
12.7mm
(0.5in)
7.9mm
(0.3in)
7.9mm
(0.3in)
5010A
15.8mm
(0.6in)
9.5mm
(0.4in)
10.1mm
(0.4in)
6012A
19mm
(0.7in)
12.7mm
(0.5in)
11.9mm
(0.5in)
8016A
25.4mm
(1.0in)
15.8mm
(0.6in)
15.8mm
(0.6in)
10020A
31.7mm
(1.2in)
19mm
(0.7in)
19mm
(0.7in)
12024A
38.1mm
(1.5in)
25.4mm
(1.0in)
22.2mm
(0.9in)
14028A
44.4mm
(1.7in)
25.4mm(1.0in)
25.4mm
(1.0in)
16032A
50.8mm
(2.0in)
31.7mm
(1.2in)
28.5mm
(1.1in)
180
*
57.1mm
(2.2in)
35.7mm
(1.4in)
35.7mm
(1.4in)
20040A
63.4mm
(2.5in)
38.1mm
(1.5in)
39.6mm
(1.6in)
*No.150Numberdoesnotexist.
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