3mm HTD Timing Belt Pulleys, Variable Speed Pulleys, Companion Pulleys

HTD, 3mm Pitch Timing Belt Pulley Advantages:

Injection molded to rigid standards for true design pitch
Standard, metric and D-bore sizes are available
Optional flanges and no flange as indicated
Plastic or metal hubs
Setscrews
Keyways
Made In USA

3mm Belt Pitch Selection Guide (pdf)

Click here to submit a request for custom pulley pricing

HTD, 3mm Pitch Timing Belt Pulley Dimensions

Part Number

Number
Of
Teeth

Pitch
Dia.

Outside
Dia.
+/- .005

Flange
Dia.

Hub
Dia.

Standard Bores

Type

Pulley No.

Flange
Code*

1/4

5/16

3/8

1/2

5/8

P14-3M-09
P15-3M-09
P16-3M-09
P18-3M-09
P20-3M-09
P22-3M-09
P24-3M-09

SF, DF
SF, DF
SF, DF
SF, DF
SF, DF
SF, DF
SF, DF

14
15
16
18
20
22
24

.526
.564
.602
.677
.752
.827
.902

.496
.534
.572
.647
.722
.797
.872

.63
.68
.71
.79
.89
.94
1.02

.59
.59
.59
.75
.75
.75
.88

•
•
•
•
•
•
•

•
•
•
•

•
•
•

Figure 1

P28-3M-09
P30-3M-09
P32-3M-09
P36-3M-09

SF, DF
SF, DF
SF, DF
SF, DF

28
30
32
36

1.503
1.128
1.203
1.353

1.023
1.098
1.173
1.323

1.17
1.24
1.32
1.47

.88
.88
.88
.88

•
•
•
•

•
•
•

Figure 2

P40-3M-09
P42-3M-09
P48-3M-09
P50-3M-09
P60-3M-09
P72-3M-09

SF, DF
SF, DF
SF, DF
SF, DF
SF, DF
SF, DF

40
42
48
50
60
72

1.504
1.579
1.805
1.880
2.256
2.707

1.474
1.549
1.775
1.850
2.226
2.677

1.61
1.70
1.92
2.00
2.38
2.83

.88
.88
.88
.88
.88
1.25

•
•
•
•
•
•

•

Figure 3

P120-3M-09

SF, NF

120

4.511

4.481

4.63

1.25

•

Figures 3 & 4

* Flange code designates pulley having one flange (SF), two flanges (DF) or no flange (NF)
Optional setscrew(s) supplied is #10-24

Standard Tolerances for Bore Sizes, Keyways and Setscrews

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