nk80-2b.gif
m-11.gif m-9.gif 11-1e.gif
CHAIN TECHNICAL DATA
Chain Pitch   1
Inner Width   0.625
Roller Dia.   0.625
Tooth Width (T)
(M) 		0.557
1.710
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(Dimension : inch)
No.
Teeth		 Outside
Diameter
Do		 Bore (Inches) Hub (Inches) Weight
Lbs.
(App)
Stock
d		 Rec.
Max.		 Dia.
BD		 Length
Thru
BL
10 3.680 1 1 1/2 2 9/16* 2 3/4 3.6
11 4.010 1 1 3/4 2 1/2 2 1/2 4.0
12 4.330 1 1 7/8 2 27/32 2 1/2 5.1
13 4.660 1 2 1/4 3 5/32 2 1/2 6.3
14 4.980 1 2 3/8 3 15/32 2 1/2 7.6
15 5.300 1 2 1/2 3 51/64 2 1/2 9.0
16 5.630 1 2 3/4 4 2 3/4 11.0
17 5.950 1 3 4 47/64 2 3/4 13.2
18 6.270 1 3 1/4 5 2 3/4 15.0
19 6.590 1 3 5/16 5 2 3/4 17.0
20 6.910 1 3 5/16 5 2 3/4 18.2
21 7.240 1 3 5/16 5 2 3/4 19.6
22 7.560 1 3 5/16 5 2 3/4 21.0
23 7.880 1 3 5/16 5 2 3/4 22.8
24 8.200 1 3 1/2 5 1/4 2 3/4 25.1
25 8.520 1 3 1/2 5 1/4 3 28.3
26 8.840 1 3 1/2 5 1/4 3 29.9
30 10.110 1 3 3/4 5 3/4 3 39.5
32 10.750 1 3 3/4 5 3/4 3 43.8
35 11.710 1 3 3/4 5 3/4 3 49.1
36 12.030 1 1/4 3 3/4 5 3/4 3 1/8 54.2
42 13.940 1 1/4 3 3/4 5 3/4 3 1/8 71.5
45 14.900 1 1/4 3 3/4 5 3/4 3 1/8 73.5
*Has recessed groove in hub for chain clearance.
Maximum bores shown will accommodate standard keyseat and setscrew over keyseat.
Slightly larger Bores are passible with no Ks., Shallow Ks., or S.S. at angle to Ks.

NOTE : Double 80 stock sprockets with 25 teeth or less have Hardened Teeth.