Align Helis 500efl PRO Flybarless U/grade Ceramic Upgrade Bearing Nachi Deep Groove Bearing outer diameter is 30mm and

outer diameter is 30mm and width is 9mm

the Top ball slide bush is a high performance bushing with three times the load capacity

Dimensions (Inches) d H L A J N H1 H2 S B 1 3/16" 15/16" 4-19/32" 1-1/2" 3-3/4" 29/64" 5/32" 2-5/8" 0

the 6007-2NSEC3/P01XMA outer diameter is 62mm

32205 Nachi Single Row Tapered Roller Bearing

Align Helis 500efl PRO Flybarless U/grade Ceramic Upgrade Bearing Nachi Deep Groove Bearing outer diameter is 30mm andBall Bearings for Align Helis 500efl PRO Flybarless U grade Ceramic Upgrade 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 12 Bearings