6800 VRS MAX Cartridge Bearings, Size 10x19x5mm Chrome Steel Blue Sealed with Grease, 6800LLU Cart Full Balls Bearing for MTB Hub Pivot, (Pick of 4Pcs): Amazon.com: Industrial & Scientific
Pro Tips | Changing Bearings – Don't Leave it too Late | ENDURO Mountainbike Magazine
Suspension Tech: Maintenance to keep your suspension pivoting smoothly - Bikerumor
Suspension Pivot Bearing Kits
EVERYTHING YOU NEED TO KNOW ABOUT MOUNTAIN BIKE BEARINGS - Mountain Bike Action Magazine
What sort of bearings should you use in your suspension frame? - MBR
Suspension Tech: Maintenance to keep your suspension pivoting smoothly - Bikerumor