Penn 714/714z Spinfisher Fishing Reel Ceramic Ball Bearing set N222MY the 6200ZE inner diameter is

the 6200ZE inner diameter is 10mm

Ball Bearings Kit for Magnum Power ALL Models 46

Ball Bearings for SUN Ringle Super Bubba Front HUB

They're widely used in CNC equipment

If you're looking for a rugged bearing for tight spots and high loads

Penn 714/714z Spinfisher Fishing Reel Ceramic Ball Bearing set N222MY the 6200ZE inner diameter isHybrid Ceramic Deep Groove ball Bearings (steel rings with ceramic balls) Fits Penn 714 714z Spinfisher Fishing Reel Shield Metal Shields Closure Side: Double Sided Shields Lubrication: Low Friction Grease Material: Corrosion Resistant Chrome Steel Balls: Low Friction Solid Ultra Light Ceramic Balls Brand: VXB Quantity: Set of two Bearings