FR166-2RS Full Ceramic Flanged Ball Bearing, the inner diameter is 3/16", outer diameter is 3/8" and the width is 1/8", this is a popular size that could be used in many applications, Bearings are made of Ceramic.

• Item: FR166-2RS Flanged Ball Bearing
• Type: Sealed Full Ceramic Bearing
• Cage: PTFE
• Closures: PTFE Covers (white)
• Balls: ZrO2 Ceramic (zirconia)
• Inner/outer races: ZrO2 Ceramic
• Dimensions: 3/16" x 3/8" x 1/8" inch
• ID (inner diameter)/Bore: 3/16" inch
• OD (outer diameter): 3/8" inch
• Width/Height/thickness: 1/8" inch
• Size: 3/16" x 3/8" x 1/8"
• Quantity: One Bearing