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Belt Length Calculator
Belt Drive Design
Belt Length Calculator
Belt Drive Design Program
Multi-Pulley Drive Design Program
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Belt Drive Design
Drive Design Options
Design Calcs
Belt Length
Drive Description
Inputs
Max HP of Drive
Service Factor
New Drive
Belt Cross Section
AX
BX
CX
A
B
C
D
3VX
5VX
3V
5V
8V
3VK
5VK
8VK
Belt Cross Section
3LX X5
AX
AX X5
BX
BX X5
CX
CX X5
A
B
C
D
3VX
3VX X5
5VX
5VX X5
3V
5V
8V
3VK
5VK
8VK
Belt Cross Section
SPZ
SPA
SPB
SPC
Belt Profile/Pitch
3MM-HTD
5MM-HTD
8MM-HTD
14MM-HTD
XL
L
H
XH
XXH
Belt Cross Section
J
JE
K
Belt Cross Section
3LX X5
AX
AX X5
BX
BX X5
CX
CX X5
A
B
C
D
3VX
3VX X5
5VX
5VX X5
3V
5V
8V
3VK
5VK
8VK
Belt Profile/Pitch
3MM-HTD
5MM-HTD
8MM-HTD
14MM-HTD
XL
L
H
XH
XXH
Belt Cross Section
J
JE
K
Belt Cross Section
AX X5
BX X5
3VX X5
5VX X5
Small Pulley OD (in)
Large Pulley OD (in)
Old Drive
Belt Cross Section
A
B
3V
5V
AX
BX
3VX
5VX
Small Pulley OD (in)
Large Pulley OD (in)
Common Parameters
Small Pulley RPM
Centers Distance (in)
Tension Ratio
Energy Cost ($/kWh)
Ambient Air Temp (°F)
Belts on Drive (Count)
References
Minimum pulley diameter for AX belts is 2.45 in.
Minimum pulley diameter for AX belts is 2.45 in.
Cross Section Chart
Cross Section Chart
Service Factor Table
Stock Wedge Pulley Sizes
Stock Classical Pulley Sizes
Stock 5, 8, 14 MM Timing Pulleys
NEMA Min Pulley Sizes for Electric Motors
Set tension ratio to 5.0 for fixed center 2 pulley drives