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ContiTech
SPC · Ld 4250 mm

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

Narrow V-belt, profile SPC

V-belt ContiTech SPC 4250 CR

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Specifications

Manufacturer part number
Ld
4250 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. SPC 4250 CR, DIN 7753-1 / ISO 4184
La
4280 mm
Outside length LaLength along the back of the belt, the one a tape measure gives. For profile SPC it is 30 mm longer than the pitch length. Source: Optibelt Technical Manual V-Belt Drives
wd
19 mm
Pitch width wdBelt width at the neutral line. It equals the pitch width of the SPC 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
plainno X in the part number
b
22 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
18 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
1.615 kg
Mass mMass of one piece according to the supplier. Source: supplier

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About the belt

b 22h 18
b×hsection 22 × 18mm
Ldpitch length 4250mm
wdpitch width 19mm
mmass 1.615kg

Narrow V-belt of profile SPC with a pitch length of 4250 mm. Section 22 × 18 mm, pitch width 19 mm: the belt sits in the SPC pulley groove by it. Mass 1.615 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 SPC it is 30 mm more. This belt has Ld 4250 mm and La 4280 mm.

Can I fit SPCX or XPC 4250?

The size and groove are the same; a belt with the letter X has a cogged underside and bends more 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 SPC is 22 mm and the height is 18 mm. A tape measure along the back gives the outside length La; subtract 30 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.