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Tribological Polymer Parts
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Driving elements
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Sprocket wheels
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12,7 x 3,3

Sprocket wheels

Chain: 12,7 x 3,3 (1/2” x 1/8”)



Material: INKUFORM CN
According to DIN 8187
(Pressure angle 20º)
Roller diameter of the chain = 7,75 mm
Pitch of the chain = 12,7 mm
f = 1,3 mm
s = 3,0 mm
Construction:
Molded; Gear cutting according to German Standard 8196,
Tooth flank angle 19°
Mmax = maximum torque (constant/permanent)
for temperatures up to 50 °C
p per = 25 N/mm2


Tooth ø Dk ø d0 ø N ø B ø b ø Df1 Mmax. Feather key Mmax. Pin ø 3 mm Item number
Number mm mm mm mm mm mm Ncm Ncm
13 58.0 53.07 24.0 8H8 16.0 44.93 153 960 ZRCH4KKR4013
15 66.0 61.08 24.0 8H8 16.0 53.00 153 960 ZRCH4KKR4015
17 74.0 69.12 28.0 10H8 18.0 61.07 326 1283 ZRCH4KKR4017
19 82.0 77.16 28.0 10H8 18.0 69.15 326 1283 ZRCH4KKR4019
21 90.5 85.21 32.0 12H8 20.0 77.22 542 1650 ZRCH4KKR4021
23 98.5 93.27 32.0 12H8 20.0 85.30 542 1650 ZRCH4KKR4023
25 107.0 101.33 32.0 12H8 20.0 93.30 542 1650 ZRCH4KKR4025