10 Router Cutter Shielded Bearings 1/8" x 3/8" x 5/32" inch Lot of 10 Bearings 10 Router Cutter Shielded Bearings, the inner diameter is 1/8" inch, outer diameter is 3/8" inch and the width is 5/32" inch, this is a popular size that could be used in many applications, each bearing are rubber sealed from both sides to protect the bearing from dust or any possible contamination, also bearings are pre-lubricated with grease.