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. SPB 2240, DIN 7753-1 / ISO 4184
La
2262 mm
Outside length LaLength along the back of the belt, the one a tape measure gives. For profile SPB it is 22 mm longer than the pitch length. Source: Optibelt Technical Manual V-Belt Drives
wd
14 mm
Pitch width wdBelt width at the neutral line. It equals the pitch width of the SPB 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
16.3 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
13 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
0.399 kg
Mass mMass of one piece according to the supplier. Source: supplier
Equivalents
same profile SPB and length 2240 from other brands
9 products
You are viewingFenner/TOP DRIVE SPB 2240
Same part number SPB 2240: profile SPB, pitch length 2240 mm.in stock 0 of 3
SPB 2240This beltFenner/TOP DRIVESPB · 2240available to orderon requestyou are here
Narrow V-belt of profile SPB with a pitch length of 2240 mm. Section 16.3 × 13 mm, pitch width 14 mm: the belt sits in the SPB pulley groove by it. Mass 0.399 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 SPB it is 22 mm more. This belt has Ld 2240 mm and La 2262 mm.
Can I fit SPBX or XPB 2240?+
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 SPB is 16.3 mm and the height is 13 mm. A tape measure along the back gives the outside length La; subtract 22 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.
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