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1/5" Pitch Timing Belt Pulley XL Series, Timing Pulleys
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XL Timing Pulleys, 1/5" Pitch

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1/5" Pitch Timing Pulley, XL Series

Our XL Series 1/5" pitch timing pulleys ensures longer belt life with virtually no slippage and minimum back lash. A minimal amount of belt tension is required to prevent slippage, reducing the bearing loads on the driving shaft.

The nylon molded pulleys are reinforced with metal inserts to offer the lightweight advantages of nylon along with the advantages of a metal-to-metal connection at the hub. This combination provides a high strength-to-weight ratio and low inertia.

Our XL Series Timing Pulleys come in a wide selection, ensuring one to fit your needs. If not, we will work with you to create a custom designed timing pulley for your application. Our Timing Pulleys also available in 3mm, 5mm, 8mm and 3/8" pitch.

Features

  • Unique tooth shape provides no slippage, like there is with flat belts
  • Made to rigid standards for true design pitch
  • Standard, metric and D-bore sizes are available
  • Flanges: one, two or none.
  • Plastic or metal hubs
  • Setscrews / Keyways
  • Belts available
  • Made In USA

Benefits

  • Lightweight & Strong
  • Low Inertia
  • Cost effective
  • Noise reduction
  • Shock resistant
  • Natural lubricity
  • Chemical resistance
  • Longer life

XL & L Belt Pitch Selection Guide (pdf)

XL Series, 1/5" Pitch Timing 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
SF, DF --
SF, DF --
SF, DF --
SF, DF --
10
11
12
13
.637
.700
.764
.828
.617
.680
.744
.808
.87
.94
1.00
1.05
.59
.59
.75
.88
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SF, DF --
SF, DF --
SF, DF --
SF, DF --
SF, DF --
SF, DF --
SF, DF --
SF, DF --
SF, DF --
SF, DF --
SF, DF --
SF, DF --
SF, DF --
SF, DF --
SF, DF --
SF, DF --
14
15
16
17
18
19
20
21
22
24
25
26
27
28
29
30
.891
.995
1.019
1.082
1.146
1.210
1.273
1.337
1.401
1.528
1.592
1.655
1.719
1.783
1.846
1.910
.871
.935
.999
1.062
1.126
1.190
1.253
1.317
1.381
1.508
1.572
1.635
1.699
1.764
1.826
1.890
1.13
1.18
1.24
1.31
1.38
1.44
1.50
1.57
1.63
1.76
1.80
1.87
1.94
2.02
2.07
2.14
.88
.88
.88
.88
.88
.88
.88
.88
.88
.88
.88
.88
.88
.88
.88
.88
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SF, DF, NF
SF, DF, NF
SF, DF, NF
SF, DF, NF
SF, DF, NF
SF, DF, NF
32
36
40
42
48
60
2.037
2.292
2.546
2.674
3.056
3.820
2.017
2.272
2.526
2.654
3.036
3.800
2.26
2.51
2.78
2.90
3.28
4.01
.88
.88
.88
.88
.88
1.25
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SF, --- ---
72
4.584
4.564
4.82
1.25
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* Flange code designates pulley having one flange (SF), two flanges (DF) or no flange (NF).
Optional setscrew(s) supplied is #10-24.
1/5" pitch with plastic hub - stock bore size 1/4".

Standard Tolerances for Bore Sizes, Keyways and Setscrews

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