Technical InformationStrongbelt Wedge Belts to BS 3790 and DIN 7753 Part 1 / ISO 4184SectionPitchBelt lengths RecommendedBeltDimension baseminimumSectionwidthweightW x H ≈ widthNominal Outside length Datum length Inside length pulley diameterlW u ≈d (≈ kg/m)length L aL dL i(mm)SPZ 9,7 x 8 4,2 8,5L a ≈ L d + 13—L i ≈ L d – 3863 0,074L a ≈ L i + 51L i ≈ L a – 51SPA 12,7 x 10 5,8 11,0LDatum a ≈ L d + 18—L i ≈ L d – 45LDatum 90 0,123length a ≈ L i + 63L i ≈ L a – 63diameterSPB 16,3 x 13 7,3 14,0LL a ≈ L d + 22d—L i ≈ L d – 60Ld d140 0,195a ≈ L i + 82L i ≈ L a – 82SPC 22,0 x 18 9,6 19,0L a ≈ L d + 30—L i ≈ L d – 83224 0,377L a ≈ L i + 113L i ≈ L a – 113Strongbelt Wedge Belts to USA-Standard RMA/MPTA126— L ≈ L – 4263 0,0743V/9N 9,0 x 8 4,2 —L a d a5V/15N 15,0 x 13 7,3 —Outsidelength —L d ≈ L a – 4*L d ≈ L a – 11*i aL i ≈ L a – 71Outsidediameter 140 0,1958V/25N 25,0 x 23 9,6 — — — L i ≈ L a – 120 335 0,575* The value for the difference between L d and L a is necessary if it is required to substitute a belt section to BS 3790:1991 or DIN 7753 Part 1 for a <strong>belts</strong>ection to RMA/MPTA.Strongbelt Moulded Cogged, Raw Edge Wedge Belts – DIN 7753 Part 1XPZ 9,7 x 8 4,2 8,5L a ≈ L d + 13L a ≈ L i + 51XPA 12,7 x 10 5,8 11,0 DatumL a ≈ L d + 18Llength a ≈ L i + 63XPB 16,3 x 13 7,3 14,0LL a ≈ L d + 22d L a ≈ L i + 82XPC 22,0 x 18 9,6 19,0L a ≈ L d + 30L a ≈ L i + 113————L i ≈ L d – 38L i ≈ L a – 51L i ≈ L d – 45L i ≈ L a – 63L i ≈ L d – 60L i ≈ L a – 82L i ≈ L d – 83L i ≈ L a – 113Datumdiameterd d56711120,0650,1110,183180 0,340Strongbelt Moulded Cogged, Raw Edge Wedge Belts – USA Standard RMA/MPTA3VX/9NX 9,0 x 8 4,2 — Outside — L d ≈ L a – 4* L i ≈ L a – 42 Outside 56 0,0655VX/15NX 15,0 x 13 7,3 — L a — L d ≈ L a – 11* L i ≈ L a – 71 d a 112 0,183lengthdiameter* The value for the difference between Ld and La is necessary if it is required to substitute a belt section to BS 3790:1991 or DIN 7753 Part 1 for a <strong>belts</strong>ection to RMA/MPTA.Strongbelt Moulded Cogged Raw Edge Wedge BeltsZX/X10 10,0 x 6 5,9 8,5AX/X13 13,0 x 8 7,5 11,0BX/X17 17,0 x 11 9,4 14,0CX/X22 22,0 x 14 12,3 19,0L a ≈ L i + 38L a ≈ L d + 16DatumL a ≈ L i + 50Llength a ≈ L d + 20LL a ≈ L i + 69d L a ≈ L d + 29L a ≈ L i + 88L a ≈ L d + 30————L i ≈ L d – 22L i ≈ L a – 38L i ≈ L d – 30L i ≈ L a – 50L i ≈ L d – 40L i ≈ L a – 69L i ≈ L d – 58L i ≈ L a – 88Datumdiameterd d4063900,0620,0990,165140 0,276Strongbelt V-Belts to BS 3790 and DIN 2215 / ISO 41845 5,0 x 3 2,8 4,2Y/6 6,0 x 4 3,3 5,38 8,0 x 5 4,5 6,7Z/10 10,0 x 6 5,9 8,5A/13 13,0 x 8 7,5 11,0B/17 17,0 x 11 9,4 14,020 20,0 x 12,5 11,4 17,0C/22 22,0 x 14 12,3 19,025 25,0 x 16 14,0 21,0D/32 32,0 x 20 18,2 27,0E/40 40,0 x 25 22,8 32,0L a ≈ L i + 19L a ≈ L d + 8L a ≈ L i + 25L a ≈ L d + 10L a ≈ L i + 31L a ≈ L d + 12L a ≈ L i + 38L a ≈ L d + 16L a ≈ L i + 50LDatum a ≈ L d + 20lengthL a ≈ L i + 69LL a ≈ L d + 29dL a ≈ L i + 79L a ≈ L d + 31L a ≈ L i + 88L a ≈ L d + 30L a ≈ L i + 100L a ≈ L d + 39L a ≈ L i + 126L a ≈ L d + 51L a ≈ L i + 157L a ≈ L d + 77L d ≈ L i + 11L d ≈ L a – 8L d ≈ L i + 15L d ≈ L a – 10L d ≈ L i + 19L d ≈ L a – 12L d ≈ L i + 22L d ≈ L a – 16L d ≈ L i + 30L d ≈ L a – 20L d ≈ L i + 40L d ≈ L a – 29L d ≈ L i + 48L d ≈ L a – 31L d ≈ L i + 58L d ≈ L a – 30L d ≈ L i + 61L d ≈ L a – 39L d ≈ L i + 75L d ≈ L a – 51L d ≈ L i + 80L d ≈ L a – 7720 0,018—d d— 28 0,026— 40 0,042— 50 0,064— 71 0,109—Datumdiameter 112 0,196— 160 0,266— 180 0,324— 250 0,420— 355 0,668— 500 0,958Datum length L d = Pitch length L w /L pwww.strongbelt.com
Technical InformationStrongbelt Kraftbands with Wedge Belts to ISO 5290 / USA-Standard RMA/MPTASectionHeighth ≈SectionbasewidthW u ≈NominallengthOutside lengthL aBelt lengthDatum lengthL dInside lengthL iRecommendedminimumpulley diameter(mm)Beltweightper rib(≈ kg/m)3V/9J 9,9 4,2— — 67 0,122L i ≈ L a – 428V/25J 25,5 9,6d a L a— — L i ≈ L a – 120 315 0,6935V/15J 15,1 7,3OutsideOutsidelength— — L i ≈ L a – 71 diameter 180 0,252Strongbelt Kraftbands with Wedge BeltsSPZ 10,5 5,4L a ≈ L d + 13 — —80 0,120SPB 15,6 8,8lengthdiameterL d L a ≈ L d + 22 — — d d 160 0,261SPA 12,5 7,0 Datum L a ≈ L d + 18 — — Datum 112 0,166SPC 22,6 9,3 L a ≈ L d + 24 — — 250 0,555Strongbelt KraftbandsA 9,9 7,5L a ≈ L i + 36 L d ≈ L i + 30 —80 0,163C 16,2 12,3lengthdiameterL i L a ≈ L i + 75 L d ≈ L i + 58 — d a 200 0,447B 13,0 9,4 Inside L a ≈ L i + 62 L d ≈ L i + 40 — Outside 125 0,266D 22,4 18,2 L a ≈ L i + 111 L d ≈ L i + 75 — 355 0,798Strongbelt Kraftbands127HA 9,9 7,5— — L i ≈ L a – 3680 0,163HC 16,2 12,3lengthdiameterL a — — L i ≈ L a – 75 d a 200 0,447HB 13,0 9,4 Outside— — L i ≈ L a – 62 Outside 125 0,266HD 22,4 18,2 — — L i ≈ L a – 111 355 0,798The belt width of a kraftband depends on the number of <strong>belts</strong> incorporated.Strongbelt Double V-Belts to ISO 5289SectionDimensionW x H ≈Sectionbasewidthb u ≈NominallengthBelt lengthRecommendedminimumpulley diameter(mm)Beltweight(≈ kg/m)AA/HAA 13 x 10 —Reference length = middle length – 480 0,150BB/HBB 17 x 13 — Reference length = middle length – 8 Outside 125 0,250ReferencelengthdiameterCC/HCC 22 x 17 — Reference length = middle length + 3 d a224 0,440DD/HDD 32 x 25 — Reference length = middle length 355 0,935Strongbelt Double V-Belts – Special Sections22 x 22 22 x 22 —Reference length = middle lengthAußen- 280 0,511Referencelengthdurchmesser25 x 22 25 x 22 — Reference length = middle length d a 280 0,625Datum length L d = Pitch length L w /L p
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