Pages 71-87 - SDP/SI

GT ® 2 Timing Belt Pulleys - 3 mm Pitch
MOLDED WITH INSERT
TRUE METRIC ®
PROFILE
DOUBLE FLANGE
d
20.6
6.3
3
SET
SCREW
12.7
d
20.6
6.3
3.5
SET
SCREW
D 1 D
∆
D 2 D 3
D 1 D
D 2 D 3
11.1
SPOT
DRILL
11.1
Fig. 1 Fig. 2
SPOT
DRILL
FOR 9 mm BELTS
MATERIAL: Pulley - Polycarbonate, Fiberglass Reinforced
Insert - Aluminum, Knurled
Catalog Number
Fig.
No.
No. of
Grooves
P.D.
A 6Z53M016DF0904
A 6Z53M017DF0904
A 6Z53M017DF0905
A 6Z53M017DF0906
A 6Z53M018DF0904
A 6Z53M018DF0905
A 6Z53M018DF0906
A 6Z53M019DF0904
A 6Z53M019DF0905
A 6Z53M019DF0906
A 6Z53M020DF0904
A 6Z53M020DF0905
A 6Z53M020DF0906
A 6Z53M022DF0904
A 6Z53M022DF0905
A 6Z53M022DF0906
A 6Z53M025DF0906
A 6Z53M025DF0908
A 6Z53M028DF0906
A 6Z53M028DF0908
1
2
16
17
18
19
20
22
25
28
15.3
16.2
17.2
18.2
19.1
21
23.9
26.8
14.5
15.4
16.4
17.4
18.3
20.2
23.1
26
*Pulleys with: 4, 5 and 6 mm bore have a tolerance of +0.030
8 mm bore have a tolerance of +0.036
∆
6 mm long insert in hub end only.
D
d*
D 1 Bore D 2
H9
21
22
22
22
24
27
30
32
4
4
5
6
4
5
6
4
5
6
4
5
6
4
5
6
6
8
6
8
11 ∆
9.5
13
D 3
Hub
Dia.
17.5
19
Set
Screw
M3
M4
Continued on the next page
2 – TIMING PULLEYS
INCH
3 – TIMING PULLEYS
METRIC
3–80