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L Series, 3/8" Pitch Timing Belt Pulley Advantages:
  • Made to rigid standards for true design pitch
  • Standard, metric and D-bore sizes are available
  • Optional flange
  • Plastic or metal hubs
  • Setscrews
  • Keyways
  • Made In USA

XL & L Belt Pitch Selection Guide (pdf)

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L Series, 3/8 " 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
3/4
10L050
11L050
12L050
13L050
14L050
15L050
16L050
17L050
SF, DF
SF, DF
SF, DF
SF, DF
SF, DF
SF, DF
SF, DF
SF, DF
10
11
12
13
14
15
16
17
1.194
1.313
1.432
1.552
1.671
1.790
1.910
2.029
1.164
1.283
1.402
1.522
1.641
1.760
1.880
1.999
1.49
1.63
1.73
1.79
2.00
2.12
2.22
2.34
.88
.88
.88
1.00
1.25
1.25
1.25
1.25










































18L050
19L050
20L050
21L050
22L050
24L050
28L050
30L050
32L050
SF, DF
SF, DF
SF, DF
SF, DF
SF, DF
SF, DF
SF, DF
SF, DF
SF, DF
18
19
20
21
22
24
28
30
32
2.149
2.268
2.387
2.507
2.626
2.865
3.342
3.581
3.820
2.119
2.238
2.357
2.477
2.596
2.835
3.312
3.551
3.790
2.47
2.50
2.74
2.85
2.96
3.15
3.55
3.78
4.05
1.25
1.25
1.25
1.25
1.25
1.25
1.25
1.25
1.25


















































* 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


1246 High Street, Fairport Harbor, Ohio 44077 USA • U.S. Calls: 800-544-6642 | P: 440-352-8995 | F: 440-352-7682 • sales@torquetrans.com