All About Bearings: Bearings 101 - RollerSkateNation.com
8 Pack 78A Quad Roller Skate Wheels 65 x 36mm with ABEC-9 Bearings Installed for Double Row Skating, Quad Skates Accessories Outdoor/Indoor Use (Black)
Impala Light Up 62mm Rollerskate Wheels + Bearings
Amazon.com: 8 Pack 32 x 58mm 82A Roller Skate Wheels with Bearing for Indoor or Outdoor, Rolitwils Quad Roller Skate Wheels with Multi-Function Portable Skateboard Accessories T Tool for Double Row Skating :