Original Bosch ball bearing F016A57838 — a genuine Bosch replacement bearing designed for drive/roller assemblies in cylinder and small lawnmower units. Example fits include Allett Liberty 35 (drive assembly), Bosch Windsor 12S, Classic Petrol 35S and 43S, Classic Electric 30, P14S and P17S (Match the 10 digit version number from off the side of your machine to confirm fit of correct item).

Key details: ball‑race bearing with a 1/2" bore (≈12.7 mm), double rubber seals (2RS) and C3 internal clearance for smooth rotation under intermittent load — ideal where reduced end‑play and dust protection are needed.

This is a genuine Bosch power tool spare parts item (F016A57838) supplied as the single bearing used in the listed assemblies — a straightforward, direct replacement when refurbishing drive shafts or rollers. If you’re repairing a mower or similar unit, this power tool parts replacement restores quiet, wobble‑free operation.

Please verify the part position and your machine’s type number against the exploded diagram before ordering.

Browse our full range of Bosch mower parts.