Spur gears steel, milled - Nozag AG

12.1
130
Sprockets
Made of steel C43, compatible to chain
12B-1 ( 3/ 4» x 7/ 16» R 12.07 mm)
12B-2
12B-3
da
d
11,1
L 1
© by Nozag Switzerland - 2009
Also available, ready to
install, from drawing!
Number *
pre drilled * pre drilled * pre drilled
of teeth N2 da d N1 N3 B1 B2 B3 L1 L2 L3 9 63.0 55.70 37 — 12 — — 30 — —
10 69.0 61.64 42 42 12 12 — 30 45 —
11 75.0 67.61 46 47 14 16 — 35 50 —
12 81.0 73.60 52 53 14 16 20 35 50 70
13 87.0 79.59 58 59 14 16 20 35 50 70
14 93.5 85.61 64 65 14 16 20 35 50 70
15 100.0 91.63 70 71 14 16 20 35 50 70
16 106.0 97.65 75 77 16 20 20 35 50 70
17 112.5 103.67 80 83 16 20 20 35 50 70
18 118.5 109.71 80 89 16 20 — 35 50 —
19 124.5 115.75 80 95 16 20 20 35 50 70
20 130.5 121.78 80 100 16 20 20 35 50 70
21 136.5 127.82 90 100 20 20 20 40 50 70
22 142.5 133.86 90 100 20 20 20 40 50 70
23 148.5 139.90 90 110 20 20 20 40 50 70
24 154.5 145.94 90 110 20 20 20 40 50 70
25 160.5 152.00 90 120 20 20 20 40 50 70
26 166.5 158.04 95 — 20 — — 40 — —
27 172.5 164.09 95 — 20 — — 40 — —
28 179.0 170.13 95 — 20 — — 40 — —
29 185.0 176.19 95 — 20 — — 40 — —
30 191.0 182.25 95 120 20 20 20 40 50 70
31 197.0 188.31 100 — 20 — — 40 — —
32 203.0 194.35 100 — 20 — — 40 — —
33 209.0 200.40 100 — 20 — — 40 — —
34 215.0 206.46 100 — 20 — — 40 — —
35 221.0 212.52 100 — 20 — — 40 — —
36 227.0 218.58 100 — 20 — — 40 — —
37 233.5 224.64 100 — 20 — — 40 — —
38 239.5 230.69 100 — 20 — — 40 — —
39 245.5 236.75 100 — 20 — — 40 — —
40 251.5 242.81 100 — 20 — — 40 — —
— = non standard
B 1
N 1
da
d
11,1
30,3
L 2
B 2 N 2 da
d B 3 N 3
Type No. 2112 – number of teeth Type No. 2212 – number of teeth Type No. 2312 – number of teeth
* Finished bore, to be defined at least 1 mm bigger.
12B-...
11,1
49,8
L 3