Bike Bearing MR215317 21x31x7

Manufactured from high quality steel with chrome steel balls
Pre-lubricated with water resistant grease
Full ball structure, no cage
Double lip seal on both sides to protect against dust, water and dirt
Outside diameter: 31mm
Inner diameter: 21,5mm
Thickness: 7mm
Sold individually 1 piece

*The color of the caps may vary from the image