19mm x 32mm x 7mm, Bearing is made of Chrome Steel with chrome steel balls and steel cage, bearing is closed with rubber seals to protect the bearing from dust or any possible contamination, Bearing is sealed and self lubricated, 

• Item: 19x32x7mm-Bearing
• Type: Non Standard Deep groove ball bearing
• Material: Chrome Steel
• Lubrication: Self Lubricated Bearing
• Dimensions: 19mm x 32mm x 7mm/Metric
• ID (inner diameter)/Bore: 19mm
• OD (outer diameter): 32mm
• Width/Height/thickness: 7mm
• Size: 19 x 32 x 7 mm
• Quantity: One Bearing
• Pack#19x32x7mm-Bearing
• Brand: VXB Bearing