210KDDG Ball Bearing Chrome Steel With Snap Ring (C clip) 50mm x 90mm x 20mm 210KDDG Ball Bearing with Snap Ring (C Clip) this is a popular size that could be used in any application that uses this size 50mm x 90mm x 20mm. Each Comes with double metal shields (ZZ) to keep out dust and dirt plus it’s pre-lubricated with grease so it’s ready to roll right away. made from durable 52100 alloy steel, commonly known as chrome steel. 210KDDG Ball Bearing Deep groove ball bearing Material: Chrome Steel Brand: VXB Standard: Metric Quality: Standard Precision Shield Double Metal Shields for dust protection (ZZ) Lubrication: Pre-lubricated with grease Dimensions: 50mm x 90mm x 20mm/Metric inner diameter: 50mm outer diameter: 90mm Width: 20mm Quantity: 1 Bearing Dynamic load rating Cr: 35000 N Static load rating Cor: 23200 N Limiting Speed:Grease Lubrication: