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Designation
Toothed pulley
ISO
ISO 17396
style
A
Style definition
with rim flanges
Main material
aluminum
Surface finish body
bright
Component material
steel
Surface finish component
galvanized
B=Width
10
BW=Belt width
6
D=diameter
20,19
N=No. of teeth
26
P=Profile
T2,5
D1 max.
14
D2 max.
4
D3
20,15
D4 max.
25
L
16
~ CONFLICT MINERALS 3TG status
no intentional 3TG
~ CP65 substance 2 cancer
soots, tars, and mineral oils
~ PFAS free?
not yet identified
~ REACH SVHC-free?
yes
~ RoHS conformity
yes, without exemption
~ TSCA 6(H) conformity
yes

Description

Material
Aluminum.
Rim flanges, steel.
Version
Aluminum bright.
Rim flanges, galvanized.
Note
Standard T-profile ISO 17396 with metric pitch (trapezoidal toothing). At least one toothed belt pulley must have a rim flange. The toothed belt pulleys have a center bore or are pre-drilled (this can vary due to production methods). For this reason, the dimension D2 max. given in the table is the maximum diameter of the bore that the toothed belt pulleys are supplied with. This pilot hole/center bore can be customised with a reamed hole, reamed hole with keyway or a tapped hole by the customer. Alternatively, bushings can be fitted by the customer to reduce the diameter.

To reduce weight, the toothed belt pulleys may have a recess on one face.
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