F-65177 RICH – Needle Roller Bearing Without Inner Ring – 17.1 x 23.8 x 17.4 mm
Technical Specifications:
Type: Needle roller bearing without inner ring
Brand: RICH
Model Designation: F-65177
Inner Diameter (Under Rollers): 17.1 mm
Outer Diameter (D): 23.8 mm
Width (C): 17.4 mm
Cage Material: Polyamide
Sealing: Single-sided low-friction contact seal
Weight: 0.01 kg
Country of Origin: China
Performance Characteristics:
Structural Configuration: Precision needle roller assembly designed without an inner ring to minimize radial envelope, where the needle rollers run directly on a hardened and ground shaft.
Cage Design: Features a high-performance polyamide cage that provides optimal roller guidance, reduced weight, and enhanced lubrication flow within the bearing assembly.
Sealing Efficiency: Equipped with a specialized single-sided low-friction contact seal, engineered to protect against contaminant ingress while maintaining low rotational torque for efficient power transmission.
Mechanical Interface: 17.1 x 23.8 x 17.4 mm format specifically optimized for automotive alternators and starter motors requiring high load-carrying capacity in a compact spatial footprint.
Transparency Note: This bearing is manufactured under the RICH brand. Any OE or interchangeable references are used solely for identification and do not imply affiliation with other manufacturers.