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ContiTech
XPA · Ld 750 mm

There is no photo of this belt: the cross-section drawing of SPA to DIN 7753-1 / ISO 4184 is shown

Narrow cogged V-belt, profile XPA

Cogged V-belt ContiTech XPA 750-A VX

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Specifications

Manufacturer part number
Ld
750 mm
Pitch length LdLength along the neutral line of the belt, this is the number in the part number. DIN catalogues call it Lw; the value is the same. Source: part no. XPA 750-A VX, DIN 7753-1 / ISO 4184
La
768 mm
Outside length LaLength along the back of the belt, the one a tape measure gives. For profile SPA it is 18 mm longer than the pitch length. Source: Optibelt Technical Manual V-Belt Drives
wd
11 mm
Pitch width wdBelt width at the neutral line. It equals the pitch width of the SPA pulley groove: the belt and the pulley fit each other by it. Source: Optibelt Technical Manual V-Belt Drives (allworldmachinery.com/customer/docs/OPTIBELT_TECH_MANUAL_V-BELTS.pdf), table 5 (SK), table 14; DIN 7753-1 / ISO 4184
Design
coggedX in the part number
b
12.7 mm
Top width bWidth of the belt back. Use it to check the profile of an old belt with calipers. Source: Optibelt Technical Manual V-Belt Drives (allworldmachinery.com/customer/docs/OPTIBELT_TECH_MANUAL_V-BELTS.pdf), table 5 (SK), table 14; DIN 7753-1 / ISO 4184
h
10 mm
Height hHeight of the section from the back to the bottom face of the wedge. Source: Optibelt Technical Manual V-Belt Drives (allworldmachinery.com/customer/docs/OPTIBELT_TECH_MANUAL_V-BELTS.pdf), table 5 (SK), table 14; DIN 7753-1 / ISO 4184
m
0.074 kg
Mass mMass of one piece according to the supplier. Source: supplier

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About the belt

b 12.7h 10
b×hsection 12.7 × 10mm
Ldpitch length 750mm
wdpitch width 11mm
mmass 0.074kg

Narrow V-belt of profile SPA, cogged with a pitch length of 750 mm. Section 12.7 × 10 mm, pitch width 11 mm: the belt sits in the SPA pulley groove by it. Mass 0.074 kg.

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Frequently asked questions

What do Ld, Lw and La mean?

Ld and Lw are the pitch length along the neutral line: ISO writes Ld, DIN writes Lw, the number is the same. La is the outside length along the back; for SPA it is 18 mm more. This belt has Ld 750 mm and La 768 mm.

Can I fit SPA 750?

The size and groove are the same; a plain belt has no cogs on the underside, so it bends less easily on small pulleys. You can fit it, but belts of one drive should be of one brand and one design.

How do I measure an old belt if the number has worn off?

The top width of SPA is 12.7 mm and the height is 10 mm. A tape measure along the back gives the outside length La; subtract 18 mm to get the number in the part number.

How do I get a price and a lead time?

Press “Request a quote” and send the part number and quantity. We reply with the price, availability and delivery terms for your country.