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Tribological Polymer PartsPrecision bearingsDriving elementsSpur gearsBevel gearsGear racksSprocket wheels6 x 2,88 x 39,525 x 4,889,525 x 5,7212,7 x 3,312,7 x 4,8812,7 x 7,7512,7 x 7,75
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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 7,75

Sprocket wheels

Chain: 12,7 x 7,75 (1/2” x 5/16”)



Material: INKUFORM CN
According to DIN 8187
(Pressure angle 20º)
Roller diameter of the chain = 8,51 mm
Pitch of the chain = 12,7 mm
f = 1,3 mm
s = 7,2 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 28.0 10H8 20.0 44.16 344 1283 ZRCH4KKR5013
15 66.0 61.08 28.0 10H8 20.0 52.24 344 1283 ZRCH4KKR5015
17 74.0 69.12 32.0 12H8 25.0 60.32 633 1650 ZRCH4KKR5017
19 82.0 77.16 32.0 12H8 25.0 68.39 633 1650 ZRCH4KKR5019
21 90.5 85.21 36.0 16H8 25.0 76.47 1125 1950 ZRCH4KKR5021
23 98.5 93.27 36.0 16H8 25.0 84.55 1125 1950 ZRCH4KKR5023
25 107.0 101.33 36.0 16H8 25.0 92.63 1125 1950 ZRCH4KKR5025