"L" in V belts stands for Light duty. Measurements will be the same.
Others are listed here:
Others are listed here:
- La: Outer (circumference) length1
- Le: Effective length2
- Ld: Datum length3
- Lp: Pitch length3, 4
- Lw: Working length3
- Certain conditions:
1 No belt stretch / tension applied
2 Length relative to the effective outside diameter of a sheave with belt stretch / tension applied
3 Length at the pitch diameter of the sheaves used with belt stretch / tension applied
4 Technically defined as “any circumferential line which keeps the same length when the belt is bent perpendicularly to its base” (ISO 1081:2013)
Li: Inner (circumference) length1