1379683 : CHAIN SHEAVE Hydraulic Pumps **Equivalent Part** **6904 ZZ** (similar **Equivalent Part** **6904 ZZ** (similar specifications but may vary slightly depending on the manufacturer) **General Characteristics** **Single Row Deep Groove Ball Bearing** **Shielded on Both Sides** with metal shields **Pre lubricated with Grease** for immediate use **Steel Sheet Metal Cage** **High Speed Capability** **Applications** Aerospace Equipment Cameras Optical Equipment Industrial Robots Rotary Encoders Stepping Motors Laser Engravers Light duty Industrial Manufacturing High Speed Applications **Key Features** **Deep Groove Geometry** for accommodating radial and axial loads **Minimized Inner and Outer Rings** for high speed applications with limited space **Shielded Design** for protection against contaminants **Pre lubricated** for ease of use **Additional Information** Suitable for applications requiring high rotational speeds and limited radial space but generally compatible with Komatsu forklift models Compatible Models:Not explicitly listed 90 (MM) 35 26 (MM) 50