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Designation
Spur Gear
Form
A
Version 1
straight
Body material
steel
Body surface finish
bright
B=Width
20
D1=Pitch circle diameter
24
D2=max.
10
N=No. of teeth
12
D
28
D3
18
Form definition
with hub
L
35
Module
2

Description

Material
Steel 1.0503 (C45).
Version
Milled toothing, straight teeth.
Engagement angle 20°, bright.
Note
The spur gears have a centre bore or pilot hole (this can vary due to manufacturing methods). For this reason, the dimension D2 max. given in the table is the maximum diameter of the bore with which the spur gears are supplied. This pilot/centre bore can be amended by the customer to produce a reamed bore, reamed bore with keyway or a tapped hole. Alternatively, customers can also use bushes to reduce the bore diameter.
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