Available with cylindrical or tapered bores from 5-30 mm, Self-aligning Ball Bearings allow for angular misalignment of shaft relative to housing without adversely affecting operation. Self-aligning capability is provided by 2 rows of balls with common sphere raceway in outer ring. Steel-reinforced rubber seals protect against contaminants during handling and operation. Sealed bearings are supplied with lithium base grease suited for operating temperatures from -22 to +230°F.