VACUUBRAND · Coupling
638850
Shaft coupling for RC
Where to get it
No supplier lists this number with us yet. Ask for a quote and a specialist finds price and availability for you.
Prices are the supplier’s own, as last checked (date shown); they buy and ship. A price older than 30 days isn’t shown.
As printed in the source
1 | 638850 | Shaft coupling for RC (read by Claude, checked against the page)
Fits 2 models
As listed by VACUUBRAND| Model | Source |
|---|---|
| RE 2.5 | Instructions for repair: rotary vane pumps RE/RZ/RC 2/2.5/5/6/8/9/16, p. 49 |
| RZ 2.5 | Instructions for repair: rotary vane pumps RE/RZ/RC 2/2.5/5/6/8/9/16, p. 49 |
When ordering, give the model and serial number from the nameplate: some parts changed within a model’s life.
Where it sits
In the RE 2.5
3 · Coupling
- Shaft coupling for R 2.5 / R 620636787
- Cross coupling20637172
- Shaft coupling for R 2.5 / R 6636787
- Cross coupling637172
- Shaft coupling for RC638850
Our drawing of the machine type, with the RE 2.5's own parts; this part is highlighted. Side view along the shaft. Oil-free (dry) pumps have no exhaust box oil, sight glass or oil filter; their exhaust filter is a dust filter.
In the manufacturer’s drawings
- Position 1 · Exploded viewInstructions for repair: rotary vane pumps RE/RZ/RC 2/2.5/5/6/8/9/16, p. 59
Part number, name and fitment as published by VACUUBRAND (source), retrieved 2026-10-20. Vac & Air is independent and not affiliated with the manufacturers shown; names and numbers identify the parts only.