Genuine Bosch needle bushing (needle roller bearing) — part no. 1610910063 (also listed as 1 610 910 063). It’s the small shell‑type needle bearing used to support the rotary shaft in many Bosch SDS‑plus rotary hammers.

Key specification: needle/shell style bearing with metric dimensions Ø30 × Ø37 × 12 mm (inner dia. 30 mm × outer dia. 37 mm × width 12 mm). Fits into the gearbox/bearing seat to reduce friction and guide the striker/rotor assembly.

Example Bosch models this part is used in (representative): GBH 18V‑26 / GBH 18V‑26D, GBH 2‑26 (and variants), GBH 2‑28 / GBH 228DV, GBH 2‑24 (series), and several related rotary hammer/demolition models.

Why this part: direct replacement bearing engineered for the original fit and tolerances of Bosch rotary hammers — restores smooth rotation of the shaft and helps prevent premature wear of adjacent seals and components. Supplied as a single bearing for straightforward replacement.

If you’re repairing a Bosch rotary hammer and the shaft play or grinding points to a worn bearing, this genuine Bosch 1610910063 is the specific drop‑in bearing used in the models listed above.

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