1/5 Pitch Timing Belt Pulleys

1/4 Belt Width       Double Flange     Aluminum

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Part #
# Grooves
Pitch Dia
Outside Dia
Flange Dia ±0.015
Overall Lg
Hub Dia ±0.015
Bore +0.001 -0
Screw
# Scws
10F2506-XA
10
0.637
0.617
0.875
0.688
0.375
0.1875
6-40
1
11F2506-XA
11
0.700
0.680
0.938
"
0.438
"
"
"
11F2508-XA
11
"
"
"
"
"
0.2500
8-32
2
12F2506-XA
12
0.764
0.744
1.000
"
0.500
0.1875
6-40
1
12F2508-XA
12
"
"
"
"
"
0.2500
8-32
2
13F2508-XA
13
0.828
0.808
1.063
"
0.563
0.2500
"
"
14F2508-XA
14
0.891
0.871
1.095
"
0.563
"
"
"
14F2510-XA
14
"
"
"
"
"
0.3125
"
"
15F2508-XA
15
0.955
0.935
1.188
"
0.625
0.2500
"
"
15F2510-XA
15
"
"
"
"
"
0.3125
"
"
16F2508-XA
16
1.019
0.999
1.250
"
0.688
0.2500
"
"
16F2510-XA
16
"
"
"
"
"
0.3125
"
"
18F2508-XA
18
1.146
1.126
1.375
"
0.813
0.2500
"
"
18F2510-XA
18
"
"
"
"
"
0.3125
"
"
20F2508-XA
20
1.273
1.253
1.500
0.750
0.938
0.2500
"
"
20F2510-XA
20
"
"
"
"
"
0.3125
"
"
21F2508-XA
21
1.337
1.317
1.563
"
1.000
0.2500
"
"
21F2510-XA
21
"
"
"
"
"
0.3125
"
"
22F2508-XA
22
1.401
1.381
1.625
"
"
0.2500
"
"
22F2512-XA
22
"
"
"
"
"
0.3750
10-32
"
24F2508-XA
24
1.528
1.508
1.750
0.781
1.063
0.2500
8-32
"
24F2510-XA
24
"
"
"
"
"
0.3125
"
"
24F2512-XA
24
"
"
"
"
"
0.3750
10-32
"
26F2508-XA
26
1.655
1.635
1.875
"
1.188
0.2500
8-32
"
26F2512-XA
26
"
"
"
"
"
0.3750
10-32
"
28F2508-XA
28
1.783
1.763
2.000
"
"
0.2500
8-32
"
28F2512-XA
28
"
"
"
"
"
0.3750
10-32
"
30F2508-XA
30
1.910
1.890
2.125
"
1.313
0.2500
8-32
"
30F2512-XA
30
"
"
"
"
"
0.3750
10-32
"