10-Pack S684-2RS 4x9x4 Stainless Steel Sealed Miniature Bearings Outer Diameter - 240mm 608-2RS Black Skateboard are Deep

608-2RS Black Skateboard are Deep Groove Radial Ball Bearings

4 x 10 x 4 Stainless Steel Premium ABEC-5 Ball Bearing

These balls roll smoother

R166-2rs Ball bearings

✅ Equivalent to: 6204-2RS1

10-Pack S684-2RS 4x9x4 Stainless Steel Sealed Miniature Bearings Outer Diameter - 240mm 608-2RS Black Skateboard are DeepS684 2RS Stainless Steel Ball Bearings 4mm x 9mm x 4mm 10 Ball Bearings S684 2RS Stainless Steel Ball Bearings, Bearings are made from stainless steel, each bearing are rubber sealed from both sides to protect the bearing from dust or any possible contamination, additionally, these bearings come pre lubricated with grease for smooth operation. S684 2RS Ball Bearings Deep Groove Ball Bearings Material: Stainless Steel Shields: 2 Rubber Seal