31
6 T5 5.0 6.0 6 T5 - St
8 T5 5.0 8.0 8 T5 - St
10 T5 5.0 10.0 10 T5 - St
12 T5 5.0 12.0 12 T5 - St
16 T5 5.0 16.0 16 T5 - St
20 T5 5.0 20.0 20 T5 - St
25 T5 5.0 25.0 25 T5 - St
32 T5 5.0 32.0 32 T5 - St∗
50 T5∗ 5.0 50.0 50 T5 - St∗
10 T10 10.0 10.0 10 T10 - St∗
12 T10 10.0 12.0 12 T10 - St
16 T10 10.0 16.0 16 T10 - St
20 T10 10.0 20.0 20 T10 - St
25 T10 10.0 25.0 25 T10 - St
32 T10 10.0 32.0 32 T10 - St
40 T10 10.0 40.0 40 T10 - St
50 T10 10.0 50.0 50 T10 - St
75 T10 10.0 75.0 75 T10 - St
100 T10 10.0 100.0 100 T10 - St
25 T20 20.0 25.0 25 T20 - St
32 T20 20.0 32.0 32 T20 - St
50 T20 20.0 50.0 50 T20 - St
75 T20 20.0 75.0 75 T20 - St∗
100 T20 20.0 100.0 100 T20 - St∗
6 AT 5∗ 5.0 6.0 6 AT 5 - St
10 AT 5∗ 5.0 10.0 10 AT 5 - St
16 AT 5∗ 5.0 16.0 16 AT 5 - St
25 AT 5∗ 5.0 25.0 25 AT 5 - St
32 AT 5∗ 5.0 32.0 32 AT 5 - St
50 AT 5∗ 5.0 50.0 50 AT 5 - St
16 AT10∗ 10.0 16.0 16 AT10 - St
25 AT10∗ 10.0 25.0 25 AT10 - St
32 AT10∗ 10.0 32.0 32 AT10 - St
50 AT10∗ 10.0 50.0 50 AT10 - St
75 AT10∗ 10.0 75.0 75 AT10 - St∗
100 AT10∗ 10.0 100.0 100 AT10 - St∗
4.1 ZRL timing belt range
optibelt
ZRL-M open-ended and
optibelt
ZRL-V joined endless timing belts
Construction: polyurethane with Aramid or steel tension cord
Section T 5 T 10 T 20 AT 5 AT 10
Tooth pitch t (mm) 5.0 10.0 20.0 5.0 10.0
Tooth angle 2 β (°) 4040405050
Tooth depth h
t
(mm) 1.20 2.50 5.00 1.20 2.50
Tooth width s/b (mm) 2.65 5.30 10.15 2.50 5.00
Overall belt thickness h
s
(mm) 2.20 4.50 8.00 2.70 5.00
∗ Non stock
Further widths on request
Roll length: 50 m
Surcharge for intermediate
lengths: 20 %
Table 4.1 continued
Order example ZRL-M: 50 m 32 T10 - St
Order quantity
Width (mm)
Section
Tension cord
Order example ZRL-V: 50 AT10 / 5120 - V - St
Width (mm)
Section
Pitch length (mm)
Joined endless
Tension cord
T5; T10; T20 AT5; AT10
Minimum length for joined endless timing
belts depending on the tension cord:
Aramid Steel
T5; AT = 600 mm All sections
T 0; AT 0 = 600 mm 1000 mm
T 0 = 900 mm
When ordering pulleys for ZRL timing belting the type, quantity and centre distances
must be specified.
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•
•
•
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Standard width b
St
(mm)
Aramid tension cord
Geometry
Steel tension cord
ZRL-M; ZRL-V** ZRL-M; ZRL-V on request
Belt
designation
Pitch t
(mm)
Belt
designation
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