GATES
Idler Sprockets
Poly Chain GT Carbon™ Idler Sprocket
Part
No.
Product
No.
Use
With
Belt
Width
(in)
Number
of
Teeth
Pitch
Diameter
(in)
B
(in)
C
(in)
D
(in)
E
(in)
F
Threads
(in)
G
(in)
H
(in)
J
(in)
Bearing
No.
Weight
(Lbs.)
12-IDL-SPRK
7720-1500
8mm Pitch
12
32
3.208
1.25
.50
.85
1.56
3/4 - 16
.94
2.75
—
6304
3.80
20-IDL-SPRK
7720-1600
14mm Pitch
20
30
5.263
2.55
1.00
1.36
2.25
1 - 14
1.00
4.38
—
6308
12.55
21-IDL-SPRK
7720-1510
8mm Pitch
21
32
3.208
1.25
.50
1.24
1.56
3/4 - 16
.56
2.75
—
6304
3.88
36-IDL-SPRK
7720-1520
8mm Pitch
36
36
3.609
1.91
.75
1.86
1.63
3/4 - 16
—
—
—
6306
5.14
37-IDL-SPRK
7720-1610
14mm Pitch
37
30
5.236
2.55
1.00
2.06
2.25
1 - 14
.25
4.38
—
6308
13.46
62-IDL-SPRK
7720-1530
8mm Pitch
62
36
3.609
1.91
.75
2.91
1.63
3/4 - 16
.69
3.13
—
6306
9.69
68-IDL-SPRK
7720-1620
14mm Pitch
68
34
5.965
3.38
.56
3.33
2.25
1 - 14
1.00
4.88
4.34
6310
26.03
90-IDL-SPRK
7720-1640
14mm Pitch
90
34
5.965
3.38
.31
4.20
2.25
1 - 14
1.00
4.88
4.34
6310
32.18
125-IDL-SPRK
7720-1630
14mm Pitch
125
34
5.965
3.38
.19
5.63
2.25
1 - 14
1.09
4.88
4.34
6310
36.45
Nickel Plated Poly Chain GT Carbon™ Idler Sprocket
Part
No.
Product
No.
Use
With
Belt
Width
(mm)
Number
of
Teeth
Pitch
Diameter
(in)
B
(in)
C
(in)
D
(in)
E
(in)
F
Threads
(in)
G
(in)
H
(in)
Weight
(Lbs.)
NP-12-IDLR-SPRK
7720-1501
8mm Pitch Poly Chain GT
Carbon
12
32
3.208
1.25
.50
.85
1.56
3/4 - 16
.94
2.75
3.80
NP-21-IDLR-SPRK
7720-1511
8mm Pitch Poly Chain GT
Carbon
21
32
3.208
1.25
.50
1.24
1.56
3/4 - 16
.56
2.75
3.88
PowerGrip GT2 Idler Sprocket
Part
No.
Product
No.
Use
With
Belt
Width
(in)
Number
of
Teeth
Pitch
Diameter
(in)
B
(in)
C
(in)
D
(in)
E
(in)
F
Threads
(in)
G
(in)
H
(in)
J
(in)
Bearing
No.
Weight
(Lbs.)
20-SPK2-IDL
7720-1740
8mm Pitch
20
32
3.208
1.25
.50
1.24
1.56
3/4 - 16
.56
2.75
—
6304
1.10
30-SPK2-IDL
7720-1750
8mm Pitch
30
36
3.609
1.91
.75
1.86
1.63
3/4 - 16
—
—
—
6306
2.00
40-SPK2-IDL
7720-1850
14mm Pitch
40
30
5.263
2.55
1.00
2.06
2.25
1 - 14
.25
4.38
—
6308
12.00
55-SPK2-IDL
7720-1860
14mm Pitch
55
34
5.965
3.38
.56
3.33
2.25
1 - 14
1.00
4.88
4.34
6310
15.60
Industrial Power Transmission
IDLERS
259