The SR63 from SITI is a helical primary-reduction stage with a 6.18:1 ratio, matched to size-105 worm gearboxes with 14 mm input where a deeper pre-reduction is required. PAM 11/90 flange for B14 motor interface.
- Helical primary reduction stage — pre-reducer for worm gearboxes
- 6.18:1 ratio, 105 mm output / 14 mm input shaft arrangement
- PAM 11/90 motor flange (B14 mount)
- Allows deeper overall reduction when combined with a standard worm unit
- Made in Italy by SITI S.p.A.
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