E-flite Helis Blade CP RTF Micro Heli Bearing set Ball Diameter - 15/32 inch (0.46875") and a narrow 3/8 inch

and a narrow 3/8 inch width

the NU2310EG inner diameter is 50mm

🟢 Flange diameter (G): 1-5/8"

Each bearing is sealed on both sides with rubber to block out dust and debris

This 2-pack of deep groove ball bearings is designed to fit OS Engines TM 18

E-flite Helis Blade CP RTF Micro Heli Bearing set Ball Diameter - 15/32 inch (0.46875") and a narrow 3/8 inchBall Bearings for E flite Helis Blade CP RTF Micro Heli Closures: Rubber Sealed Closure Side: Double Sided Seals Lubrication: Low Friction Grease Material: Corrosion Resistant Chrome Steel Balls: High Chromium Steel 52100 SAE Steel Balls Cage: Low Friction Steel Precision: ABEC 1 Quality Brand: VXB Quantity: Set of 11 Bearings