Cylindrical bore type for 0.157 in. / 4 mm. shaft diametr, outer ring surface is cylindrical.
Easy to mount, made of hardened carbon chromium bearing steel.
Principal dimensions is 0.157х0.512х0.197 in. equal to 4х13х5 mm.
Capped by non-contact steel shields on both sides, filled with the appropriate amount of high quality grease under clean conditions. Typically should not be washed or relubricated, lubricated for the life of the bearing.
Sheet metal cage.
Metric series product.
Most widely used bearing type, optimized for low noise and low vibration, provide low friction and high rotational speeds. Capped bearings require less maintenance than open type bearings.

Picture for illustration purposes only, product may differ from image. See technical specification for details.