
Lock nut MB 11
3 offers · 3 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: MB 11, lock washer, top view and section; dimensions from the manufacturer’s catalogue; teeth 17, ⌀d4 67, tab 8. Dimensions in mm
MB 11
MB 11 — lock nuts and washers, size 55 × 81 × 1.5 mm. The site lists 3 offers for this number and its equivalents from 3 brands, priced €0.29; 1 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.
- 55 mm
- DOutside diameter D Outside diameter = housing bore.
- 81 mm
- BWidth B Ring width.
- 1.5 mm
Same number MB 11: size and design match in the brand catalogues.1 of 3 in stock


Match is judged by the size and design in the designation, using the brand catalogues; where data is missing, the row goes to “Check”.