61903-2RS Stainless Steel Ceramic Balls ABEC-5 quality Ball Bearing, this is a popular size that could be used in many applications that uses this size 17mm x 30mm x 7mm, each bearing has 2 Rubber Seals to protect the bearing from dust or any possible contamination, also bearing is pre-lubricated with grease.

• Item Type: 61903-2RS Ball Bearing
• Type: Deep Groove Ball Bearing
• Closures: Rubber Sealed
• Material: Stainless Steel
• Lubrication: Self Lubricated (Grease)
• Balls: ZrO2 Ceramic (Zirconium Oxide)
• Size: 17mm x 30mm x 7mm
• Inner Diameter: 17mm
• Outer Diameter: 30mm
• Width: 7mm
• Marking: S61903RS = 61903RS
• Quantity: One Bearing