No. 40 Sprocket — 1/2” Pitch
NO. 40 STAINLESS STEEL SPROCKETS 1/2” PITCH
Single — Type A
Single — Type B
No. Teeth
Outside Diameter
Catalog Number
Stock Bore
Approx. Weight (lbs)
Catalog Number 40B10SS 40B11SS 40B12SS 40B13SS 40B14SS 40B15SS 40B16SS 40B17SS 40B18SS 40B19SS 40B20SS 40B21SS 40B22SS 40B23SS 40B24SS 40B25SS 40B26SS 40B28SS 40B30SS 40B35SS 40B40SS 40B45SS 40B60SS
Stock Bore
Max. Bore
Hub Dia.
Approx. Weight (lbs)
LTB
Sty
10
1.840
1/2
3/4
1 1/4*
7/8
S
.28
11
2.000
1/2
13/16
1 3/8*
7/8
S
.36
12
2.170
1/2
15/16
1 9/16*
7/8
S
.44
13
2.330
1/2
1 1/16
1 9/16
7/8
S
.50
14
2.490
1/2
1 1/8
1 11/16
7/8
S
.60
15
2.650
1/2
1 1/4
1 13/16
7/8
S
.68
16
2.810
5/8
1 3/8
2
7/8
S
.82
17
2.980
5/8
1 7/16
2 1/8
1
S
1.20
18
3.140
5/8
1 1/2
2 5/16
1
S
1.24
19
3.300
5/8
1 3/4
2 1/2
1
S
1.42
20
3.460
5/8
1 7/8
2 5/8
1
S
1.60
3.620
5/8
1 7/8
2 3/4
1
S
1.68
21
22
3.780
5/8
1 7/8
2 7/8
1
S
1.81
23
3.940
5/8
2
3
1
S
2.18
40A24SS 40A25SS 40A26SS 40A28SS 40A30SS 40A35SS 40A40SS 40A45SS 40A60SS
24
4.100
19/32
.8
5/8
2
3
1
D
2.20
25
4.260
19/32
.9
5/8
2
3
1
D
2.39
26
4.420
19/32
1.3
5/8
2
3
1
D
2.40
28
4.740
19/32
1.3
5/8
2
3
1
D
2.75
30
5.060
19/32
1.3
5/8
2
3
1
D
2.88
35
5.860
19/32
1.9
5/8
2
3
1
D
3.32
40
6.650
19/32
2.3
5/8
2
3
1
D
4.28
45
7.450
19/32
3.1
5/8
2
3
1
D
4.68
60
9.840
19/32
5.5
5/8
2
3
1
D
7.00
*Has recessed groove in hub for chain clearance.
Style D Type B
Style S Type B
Type A
14
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