
Lock nut KM 4
2 offers · 2 brandsPrices in euros incl. VATPrices include VAT at the Spain rate (21%); the cart recalculates VAT for your delivery country. Where there is no price, the page says “on request”: the manager names it after the call.
Fig. 1: KM 4, lock nut, end view and section through the slots; dimensions from the manufacturer’s catalogue. Dimensions in mm
KM 4
KM 4 — lock nuts and washers, size 20 × 32 × 6 mm. The site lists 2 offers for this number and its equivalents from 2 brands, priced €2.06; 0 in stock at the supplier. Search the number in any spelling, with a hyphen, a space or run together: the page is the same.
- dBore diameter d Bearing bore = shaft diameter.
- 20 mm
- DOutside diameter D Outside diameter = housing bore.
- 32 mm
- BWidth B Ring width.
- 6 mm
Same number KM 4: size and design match in the brand catalogues.0 of 2 in stock


