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Designation
Idler Sprocket
Version 1
single
Version 2
with ball bearing
Body material
steel
Steel code
C45
D1=Pitch circle diameter
73,14
N=No. of teeth
18
B1
7,2
C
1,3
D
78
D2
40
D3
16 +0,26 +0,13
Division inches (PxB1)
1/2X5/16
Division inches (PxB1)
1/2X5/16
Division mm (PxB1)
12,7X7,75
ISO No.
08B-1
ISO No.
08B-1
L1
12
L2
18,3

Description

Material
Sprocket steel C45.
Ball bearing made from ball-bearing steel.
Note
Ready-to-install idler sprockets complete with ball bearing. For DIN ISO 606 roller chains. The ball bearings are sealed both sides, permanently lubricated and therefore maintenance-free.
Temperature range
-20°C to +120°C.
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