PLASTIC SHEAVE DATA
Sheav
e
Part
No.
A
Outside
Diameter
B
Tread
Diameter
C
Width
D
Rope
Diameter
mm inch mm inch mm inch mm inch
912738 335 13.19 290,1 11.42 45 1.77 16 5/8
631056
631054 335 13.19 290,1 11.42 45 1.77 22 7/8
631065 406,4 16 339,6 13.37 55,1 2.17 14 9/16
631071 406,4 16 352,6 13.88 55,1 2.17 16 5/8
631526 489 19.25 422,4 16.63 50,8 1.94 22 7/8
631527 489 19.25 422,4 16.63 50,8 1.94 16 5/8
631055 500,1 19.69 447 17.60 47 1.85 22 7/8
631067 500,1 19.69 450,9 17.75 50 1.97 19 3/4
631529 508 20 431,8 17.00 76,2 3 25 1
631519 584,2 23 511 20.13 57,2 2.25 22 7/8
631520
631084 584,2 23 511 20.13 63,5 2.50 22 7/8
A00083
631102 584,2 23 511 20.13 63,5 2.50 25 1
B = tread diameter, new sheave
E = tread diameter, used sheave
B minus E = total wear
If total wear is 5 mm (3/16 in) or more,
the sheave should be replaced.
If a tread print exists in the root of the
sheave groove, measure to the
maximum tread diameter.
FIGURE 5-18