Technical Manual for Ribbed Belt Drives

Ribbed Belt Pulleyspilot bored, Section PJType VB (pilot bored)DesignationNo. ofGroovesPulleyTypeMaterialPilot Finishedd e( mm)b 1(mm)B(mm)D(mm)BoredBored maxWeight(≈ kg)(mm) (mm)4 PJ 22.5 4 VB GG 22.5 13 20 25 8 12.0 0.0454 PJ 27.5 4 VB GG 27.5 13 20 30 8 14.0 0.0704 PJ 32.5 4 VB GG 32.5 13 20 35 8 18.0 0.1004 PJ 37.5 4 VB GG 37.5 13 20 40 8 20.0 0.1354 PJ 42.5 4 VB GG 42.5 13 20 45 8 22.0 0.1808 PJ 22.5 8 VB GG 22.5 23 30 25 8 12.0 0.0638 PJ 27.5 8 VB GG 27.5 23 30 30 8 14.0 0.1008 PJ 32.5 8 VB GG 32.5 23 30 35 8 18.0 0.1508 PJ 37.5 8 VB GG 37.5 23 30 40 8 20.0 0.2008 PJ 42.5 8 VB GG 42.5 23 30 45 8 22.0 0.26512 PJ 22.5 12 VB GG 22.5 32 40 25 8 12.0 0.08612 PJ 27.5 12 VB GG 27.5 32 40 30 8 14.0 0.14012 PJ 32.5 12 VB GG 32.5 32 40 35 8 18.0 0.20012 PJ 37.5 12 VB GG 37.5 32 40 40 8 20.0 0.28012 PJ 42.5 12 VB GG 42.5 32 40 45 8 22.0 0.360GG = Cast ironFurther sizes upon requestWe reserve to alter specifications without notice39