Timing Pulley
Timing pulley is a part that transmits the rotational power
received from the timing belt to the shaft. Our products provide
sufficient tightening force without additional processing on shafts / pulleys, etc.
and support a variety of shaft fastening methods that are easy to install.
TIMING PULLEY – Tolerance
TIMING PULLEY – Tolerance
Tolerance of Outer Diameter
|
Outer Diameter(O.D.) |
Tolerance |
|
|
greater than |
less than or equal to |
|
|
|
25.4 |
0 ~ +0.05 |
|
25.4 |
50.8 |
0 ~ +0.08 |
|
50.8 |
101.6 |
0 ~ +0.10 |
|
101.6 |
117.8 |
0 ~ +0.13 |
|
117.8 |
304.8 |
0 ~ +0.15 |
|
304.8 |
508 |
0 ~ +0.18 |
|
508 |
|
0 ~ +0.20 |
Runout: (b)
|
Outer Diameter(O.D.) |
Tolerance |
|
|
greater than |
less than or equal to |
|
|
|
25.4 |
0.05 |
|
25.4 |
50.8 |
0.07 |
|
50.8 |
101.6 |
0.1 |
|
101.6 |
203.2 |
0.13 |
|
203.2 |
|
0.13 + [(O.D.-203.2) X 0.0005] |
Runout: (c)
|
Outer Diameter(O.D.) |
Tolerance |
|
|
greater than |
less than or equal to |
|
|
|
25.4 |
0.05 |
|
25.4 |
50.8 |
0.08 |
|
50.8 |
101.6 |
0.1 |
|
101.6 |
254 |
O.D. X 0.001 |
|
254 |
|
0.25 + [(O.D.-54.0) X 0.0005] |
Cylindricity
|
Tooth Width (A) |
Tolerance |
|
|
greater than |
less than or equal to |
|
|
|
20 |
0.02 |
|
20 |
40 |
0.04 |
|
40 |
80 |
0.08 |
|
80 |
120 |
0.12 |
|
120 |
160 |
0.16 |
|
160 |
|
0.16 + [(Tooth Width-160) X 0.001] |
Parallelism: (d)
|
Tooth Width (A) |
Tolerance |
|
|
greater than |
less than or equal to |
|
|
|
20 |
0.02 |
|
20 |
40 |
0.03 |
|
40 |
80 |
0.04 |
|
80 |
|
0.05 |