- Inside Diameter
- Outside Diameter
Also known as: 61903ZZ, 6902ZZ
Please note this branded ball bearing is supplied in :ZEN
or any other equivalent similar quality brand
A shielded ball bearing has two metal shields, one on each side of the ball bearing between the inner and outer races. This offers the ball bearing some protection from outside contaminants such as dirt and moisture, as well as protection from light mechanical damage. The metal shields also retain the pre-filled grease within the ball bearing ensuring that it stays lubricated for life.
61903ZZ thin section bearings are one of the most popular bearing sizes around. They are commonly used in bicycles, hobby toys and transmissions.
For more technical information click here
to download our metric ball bearing catalogue.
Information is published in good faith however we cannot accept liability should there be any errors.
Please note: These prices are only valid through our online store.