2–188
P.D.
D
d
D1
S
L
d
Bore
H8
D1
Hub
Dia.
Catalog Number
No.
of
Teeth
Pitch
D
S
Face
Width
A 6M 7MHZ12713A
A 6M 7MHZ12715A
A 6M 7MHZ12717A
A 6M 7MHZ12719A
A 6M 7MHZ12721A
A 6M 7MHZ12723A
A 6M 7MHZ12725A
P.D.
(Ref.)
L
Length
MATERIAL: Acetal
53.1
61.1
69.1
77.2
85.2
93.3
101.3
13
15
17
19
21
23
25
58
66
74
82
90.5
98.5
107
DIN 8187
SPROCKETS FOR 12.7 x 3.3 mm, 7.75 mm DIAMETER ROLLER CHAIN
8
10
24
28
16
18
12
32
20
17.4
19.4
SPROCKETS FOR 12.7 x 4.88 mm, 7.75 mm DIAMETER ROLLER CHAIN
A 6M 7MHZ12713B
A 6M 7MHZ12715B
A 6M 7MHZ12717B
A 6M 7MHZ12719B
A 6M 7MHZ12721B
A 6M 7MHZ12723B
A 6M 7MHZ12725B
13
15
17
19
21
23
25
53.1
61.1
69.1
77.2
85.2
93.3
101.3
58
66
74
82
90.5
98.5
107
8
10
12
24
28
21.4
32
53.1
61.1
69.1
77.2
85.2
93.3
101.3
58
66
74
82
90.5
98.5
107
13
15
17
19
21
23
25
A 6M 7MHZ12713C
A 6M 7MHZ12715C
A 6M 7MHZ12717C
A 6M 7MHZ12719C
A 6M 7MHZ12721C
A 6M 7MHZ12723C
A 6M 7MHZ12725C
10
12
SPROCKETS FOR 12.7 x 7.75 mm, 8.51 mm DIAMETER ROLLER CHAIN
28
32
20
25
25
Sprockets with: 8 & 10 mm bores have a tolerance of +0.022
12 & 16 mm bores have a tolerance of +0.027
16
36
Sprockets for Roller Chain - 12.7 mm Pitch
3, 4.4 & 7.2 mm WIDE
MOLDED
12.7
(1/2")
3
4.4
12.7
(1/2")
12.7
(1/2")
7.2
