Minimum Pulley Diameters - ◄ Back to Technical Data
T80
Minimum Pulley
Minimum Pulley Pitch Diameter on RPM
Pitch
Diameter
No. of
Teeth
875
1160
1750
3500
STD Polyester
.255"
10
.255"
.306"
.357"
.407"
HMP Polyester
.255"
10
.255"
.306"
.357"
.407"
X-Style Kevlar
.255"
10
.255"
.306"
.357"
.407"
A-Style Kevlar
.306"
12
.306"
.306"
.357"
.407"
B-Style Kevlar
.407"
16
.407"
.407"
.458"
.484"
C-Style Kevlar
.738"
29
.738"
.738"
.789"
.815"
D-Style Kevlar
.280"
11
.280"
.280"
.357"
.407"

T81
Minimum Pulley
Minimum Pulley Pitch Diameter on RPM
Pitch
Diameter
No. of
Teeth
875
1160
1750
3500
STD Polyester
.260"
10
.260"
.312"
.364"
.416"
HMP Polyester
.260"
10
.260"
.312"
.364"
.416"
X-Style Kevlar
.260"
10
.260"
.312"
.364"
.416"
A-Style Kevlar
.312"
12
.312"
.312"
.364"
.416"
B-Style Kevlar
.416"
16
.416"
.442"
.468"
.494"
C-Style Kevlar
.753"
29
.753"
.779"
.805"
.831"
D-Style Kevlar
.286"
11
.286"
.312"
.364"
.416"

XL
Minimum Pulley
Minimum Pulley Pitch Diameter on RPM
Pitch
Diameter
No. of
Teeth
875
1160
1750
3500
HMP Polyester
.637"
10
.637"
.637"
.700"
.764"
A-Style Kevlar
.700"
11
.700"
.700"
.764"
.828"
B-Style Kevlar
.700"
11
.700"
.700"
.764"
.828"
C-Style Kevlar
1.783"
28
1.783"
1.783"
1.846"
1.910"
D-Style Kevlar
.700"
11
.700"
.700"
.764"
.828"

 
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