6205LLUC3/EM
1 NEW SST 6205ZC3 ONE SIDE METAL SHIELD BALL BEARING NNB ***MAKE OFFER***
You can apply Super Lube Multi-Purpose Synthetic Grease to sliding gate tracks for easy movement.
NTN 6205LLUC3/EM Ball Bearing 6205LU
The 1/4 in measurement is what caught my eye—it's surprisingly versatile.