15mm x 21mm x 4mm Open Wheel Ball Bearing for many applications, this is a popular size that could be used in many application that uses this size 15mm x 21mm x 4mm. Bearing is made of Chrome Steel.

• Item: 15 x 21x 4 Ball Bearing
• Type: Deep Groove Ball Bearing
• Closures: Open
• Size: 15mm x 21mm x 4mm
• Inner Diameter: 15mm
• Outer Diameter: 21mm
• Width: 4mm
• Quantity: One Bearing