Check the market for any good quality luggage bearing, you will never find but the cheap steel sheet metal made ones, here is the Quality Chrome Steel Precision alternative 1/4" inch x 22mm x 7mm Deep Groove Radial Ball Bearings with extended inner race, bearing has Metal Shields, Bearing is made of Chrome Steel each bearing has 2 Metal Shields to protect the bearing from dust or any possible contamination, also bearing is pre-lubricated with grease.

• Item: 1/4" inch x 22mm x 7mm Ball Bearing
• Type: Deep Groove Ball Bearing
• Closures: Metal Shielded
• Dimensions: 6.35mm x 22mm x 7mm/Metric
• Inner Diameter: 1/4" inch
• Outer Diameter: 22mm
• Width: 7mm
• Size: 1/4" inch x 22mm x 7mm
• Quantity: One Ball Bearing
• Dynamic load rating Cr: 3,300 N
• Static load rating Cor: 1,350 N
• Limiting Speed:
  • Pack#20585
  • Grease Lubrication: 34,000 RPM