Technical Manual for Ribbed Belt Drives

Ribbed Belt Pulleysbored for taper bushes, Section PLType1 Type 2 Type 4DesignationNo. ofGroovesPulleyTypeMateriald e b 2( mm) (mm)B(mm)N(mm)D(mm)Taper-BushTB 6 PL 78 6 2 GG 78 33 33 26 62.0 1210TB 6 PL 83 6 2 GG 83 33 33 26 62.0 1210TB 6 PL 88 6 2 GG 88 33 33 26 70.0 1610TB 6 PL 93 6 2 GG 93 33 33 26 70.0 1610TB 6 PL 98 6 2 GG 98 33 33 26 70.0 1610TB 6 PL 103 6 2 GG 103 33 33 26 70.0 1610TB 6 PL 108 6 2 GG 108 33 33 26 70.0 1610TB 6 PL 113 6 2 GG 113 33 33 26 70.0 1610TB 6 PL 118 6 2 GG 118 33 33 26 70.0 1610TB 6 PL 123 6 4 GG 123 33 33 33 — 2012TB 6 PL 133 6 4 GG 133 33 33 33 — 2012TB 6 PL 148 6 4 GG 148 33 33 33 — 2012TB 6 PL 158 6 4 GG 158 33 33 33 — 2012TB 6 PL 168 6 4 GG 168 33 33 33 — 2012TB 6 PL 178 6 1 GG 178 33 46 46 110.0 2517TB 6 PL 188 6 1 GG 188 33 46 46 110.0 2517TB 6 PL 198 6 1 GG 198 33 46 46 110.0 2517TB 6 PL 218 6 1 GG 218 33 46 46 110.0 2517TB 6 PL 238 6 1 GG 238 33 46 46 110.0 2517TB 6 PL 258 6 1 GG 258 33 46 46 110.0 2517TB 6 PL 278 6 1 GG 278 33 46 46 110.0 2517TB 6 PL 298 6 1 GG 298 33 46 46 110.0 2517TB 6 PL 318 6 1 GG 318 33 46 46 110.0 2517TB 6 PL 348 6 1 GG 348 33 46 46 110.0 2517TB 6 PL 388 6 1 GG 388 33 46 46 110.0 251734Taper bush 1210 1610 2012 2557Bore diameter d 2 (mm)from.. up to …11-32 14-42 14-50 16-60GG = Cast ironFurther sizes upon requestWe reserve to alter specifications without noticeFor standard bore diameters d 2 see page 52