SR3-2RS ABEC 5 SI3N4 DRY Stainless Steel Ceramic Ball Bearing, Bearing is made of Stainless Steel and rubber sealed on both sides. Bearing balls are Si3N4 ceramic. Inner daimeter is 3/16" inch, outer diameter is 1/2" and width is 0.196" inch.

• Item: SR3-2RS ABEC 5 SI3N4 DRY Ball Bearing
• Type: Deep Groove Ball Bearing
• Material: Stainless Steel
• Ball Material: Ceramic
• Lubrication: Dry (None)
• Closures: 2 Rubber Seals
• Dimensions: 3/16" x 1/2" x 0.196" English Size
• ID (inner diameter)/Bore: 3/16" inch
• OD (outer diameter): 1/2" inch
• Width/Height/thickness: 0.196" inch
• Size: 3/16" x 1/2" x .196"
• Quantity: One Bearing