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DRIVE BELT

Construction

  • 1:Rubber impregnated canvas
  • 2:Polyester tensile members
  • 3:Chloroprene insulation rubber
  • 4:Chloroprene compression rubber
  • 5:Rubber impregnated canvas

Features + Benefits

● Flexibility
Cog pattern gives greater flexibility resulting in efficient heat dissipation.
● Flexibility
Strong tensile members and transverse modulus provide high horsepower rating.

● High heat and oil resistance.

● Wide range of speed ratios.

Standard Sizes

Standard belt profiles are shown in Fig.1 and sizes are listed in Fig.2

Dimensions

Size mark

Fig.1 Standard Profiles

Type VA VB VC VD VE
Thickness ( b mm ) 8.5 10 11.5 13.5 16
Top width ( a mm ) 25 31 41 52 66
Pulley Groove Anegle ( α°) 30～34

Fig.2 Standard Sizes

Nomlnal No, VA VB VC VD VE Nomlnal No, VA VB VC VD VF
560 ○         1000 ○ ○ ○ ○  
600 ○         1030     ○ ○  
615 ○         1060 ○ ○ ○ ○  
630 ○ ○       1090     ○ ○ ○
650 ○ ○       1120 ○ ○ ○ ○ ○
670 ○ ○       1150     ○ ○ ○
690 ○ ○       1180 ○ ○ ○ ○ ○
710 ○ ○ ○     1220     ○ ○ ○
730 ○ ○ ○     1250   ○ ○ ○ ○
750 ○ ○ ○     1280     ○ ○ ○
775 ○ ○ ○     1320     ○ ○ ○
800 ○ ○ ○ ○   1360     ○ ○ ○
825 ○ ○ ○ ○   1400     ○ ○ ○
850   ○ ○ ○   1450     ○ ○ ○
875 ○ ○ ○ ○   1500     ○ ○ ○
900   ○ ○ ○   1550     ○ ○ ○
925 ○ ○ ○ ○   1600     ○ ○ ○
950   ○ ○ ○   1700       ○ ○
975 ○ ○ ○ ○   1800       ○ ○

Semi-Standard Sizes

Semi-standard profiles are available within the range of top width and pulley groove angles shown in Fig.3. Belt lengths are as per Fig.2

Dimensions

Size mark

Semi-Standard Profiles

Type VA VB VC VD VE
Thickness ( b mm ) 8.5 10 11.5 13.5 16
Top width ( a mm ) 16～32 20～38 24～45 30～54 37～67
Pulley Groove Anegle ( α°) 22～38

Nirin

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