### 1. 🔵 Loctite 638 / 641 (Bearing Fit Retainer) - Specifi…

### 1. 🔵 Loctite 638 / 641 (Bearing Fit Retainer)
- Specifically designed to fill **gaps up to 0.25mm** between bearing and housing
- Essentially glues the outer race in place
- Surprisingly strong — used industrially
- ✅ **Could work** for a very slight size difference (0.1–0.15mm max)