4x12x4/5mm U Groove Track Roller Bearing Extended inner ring width of 5mm

4x12x4/5mm U Groove Track Roller Bearing With extended width of 5mm

• Item: Shielded Pulley U Groove Track Roller Bearing
• Type: U-groove ball bearing
• Standard: Metric
• Closures: 2 Metal Shields
• Size: 4mm x 12mm x 4mm
• Inner diameter (Bore): 4mm
• Outer diameter: 12mm
• Tire Width: 4mm
• Extended width: 5mm
• Quantity: One Bearing