Brochure

86
®
BasicDriveSelectionProcedure
Selections are based on horsepower ratings for single belt and are not corrected for arc of contact, belt length or ratio. Selections based on a 1.0
service factor. Drive calculations based on motor or smaller sheave operating at 1750 rpm.
Application characteristics:Lowhorsepower
 • Forsinglegroovelowhorsepowerapplication(under3hp)
 • Idealforfanapplications
FHP(FractionalHorsepower)V-Belts
Application characteristics:Mediumhorsepower
 • ForindustrialapplicationsrequiringsingleormultipleV-beltdrives
 • TransmitsmorehorsepowerandhaslongerlifeexpectancythanFHPV-belts
 • Suitedfor"clutching"applications
A,BandCTypeV-Belts
Application characteristics:Medium/Highhorsepower
 • ForindustrialapplicationsrequiringsingleormultipleV-beltdrives
 • Rawedge,cogged
 • TransmitsmorehorsepowerthancomparableA,B,andCbelts
 • Rawedgedesignprovidesmoreaggressivegrippingwithlessbeltslippage
 • Coggedconstructionallowsbelttoexeasierarounddrivesheaveandruncoolerthannon-coggedbelts
 • Notforuseon(clutching)applicationsbecauseofaggressivegrip
Application characteristics:Highhorsepower
 • ForindustrialapplicationsrequiringsingleormultipleV-beltdrives
 • TransmitssubstantiallymorehorsepowerthanA,AX,B,BX,CandCX,whichallowsformorecompactdrivesystems(smallersheave
O.D. and/or fewer grooves)
 • Rawedge,cogged
AX,BXandCXTypeV-Belts
Gripbelt
®
DriveEngineeringData
* Below RMA minimum recommended pitch diameter.
Note: For speeds not shown on this page, use tables on pages 91-102. Drives must be corrected for loss in arc of contact.
Belt Type
3L
Pitch Dia. 1.25* 1.5 1.75 2.0 2.5 3.0 3.5 4.0 4.5 5.0
- -
hp Rating 0.09 0.15 0.23 0.29 0.43 0.55 0.61 0.67 0.73 0.78
Belt Type
4L
Pitch Dia. 1.25* 1.5” 2.0” 2.5 3 3.5 4.0 4.5 1.49 5.0 5.5 6.0
-
hp Rating 0.09 0.14 0.29 0.6 0.88 1.17 1.37 1.49 1.61 1.7 1.78
Belt Type
5L
Pitch Dia. 2.2” 2.5” 3.0” 3.4 3.9 4.4 4.9 5.4 5.9 6.4 6.9 7.4
hp Rating 0.36 0.45 0.71 1.07 1.52 1.95 2.26 2.39 2.50 2.59 2.68 2.71
Belt
Type
A
Pitch Dia. 2.00* 2.20* 2.60* 3.00 3.40 3.70 4.00 4.40 4.70 5.00 5.40 5.70 6.00 6.40 7.00 8.00
hp Rating 0.90 1.17 1.69 2.23 2.95 3.40 4.00 4.69 5.20 5.96 6.35 6.83 7.30 7.91 8.81 10.22
Belt
Type
B
Pitch Dia. 3.00 3.30* 3.80* 4.20* 4.60* 5.00* 5.40 5.80 6.20 6.60 7.00 7.40 8.00 8.60 9.00 9.40
hp Rating 1.58 2.47 3.34 4.19 5.10 6.16 7.21 8.22 9.22 10.19 11.13 12.06 13.39 14.66 15.48 16.27
Belt
Type
C
Pitch Dia. 5.60 7.00* 7.40* 7.80* 8.20* 8.60* 9.00 9.40 9.80 10.20 11.00 12.00 14.00 - - -
hp Rating 6.94 12.09 13.62 15.11 16.56 17.96 19.32 20.62 21.88 23.09 25.35 27.86 31.76 - - -
Belt
Type
AX
Pitch Dia. 2.00* 2.20 2.60 3.00 3.40 3.70 4.00 4.70 5.00 5.40 5.70 6.00 6.40 7.00 8.00 -
hp Rating 1.24 1.58 2.25 2.90 3.53 3.99 4.46 5.67 6.18 6.84 7.34 7.82 8.45 9.39 10.88 -
Belt
Type
BX
Pitch Dia. 3.00* 3.40* 3.80 4.20 4.60 5.00 5.40 5.80 6.20 6.60 7.00 7.40 8.00 8.60 9.00 9.40
hp Rating 3.72 4.62 5.50 6.36 7.19 8.08 9.19 10.27 11.34 12.39 13.41 14.42 15.89 17.32 18.23 19.13
Belt
Type
CX
Pitch Dia. 5.60* 7.00 7.40 7.80 8.20 8.60 9.00 9.40 9.80 10.20 11.00 12.00 14.00 - - -
hp Rating 14.10 18.35 19.49 20.60 21.66 23.14 24.61 26.05 27.44 28.79 31.37 34.32 39.31 - - -
3VXand5VXTypeV-Belts
Belt
Type
3VX
Pitch Dia. 2.15 2.30 2.45 2.60 2.95 3.10 3.30 3.60 4.45 4.70 4.95 5.25 5.95 6.85 7.95 10.55
hp Rating 1.37 1.63 1.89 2.15 2.75 3.01 3.34 3.85 5.25 5.65 6.05 6.53 7.63 9.01 10.64 14.22
Belt
Type
5VX
Pitch Dia. 4.30 4.55 4.80 5.10 5.40 5.70 5.90 6.20 6.50 6.70 7.00 7.40 7.90 8.40 9.10 9.50
hp Rating 8.23 9.40 10.55 11.93 13.30 14.66 15.56 16.89 18.22 19.10 20.41 22.13 24.26 26.35 29.23 30.84