BB1 0138 N RICH Single Row Deep Groove Ball Bearing – 30 × 72 × 19 mm
OE References:
MERCEDES: A0099816401
Technical Specifications:
Brand: RICH
Type: Single row deep groove ball bearing
Model: BB1 0138 N RICH
Inner Diameter (d): 30 mm
Outer Diameter (D): 72 mm
Width (B): 19 mm
Feature: N (Snap ring groove on the outer ring)
Country of Origin: China
Performance Characteristics:
Structural Layout: Radial ball bearing designed for high-precision automotive drivetrain applications.
Internal Geometry: Optimized deep groove raceways for minimized friction and reliable support of radial and axial loads.
Material Type: High-carbon chromium bearing steel for maximum wear resistance and operational longevity.
Mounting Feature: Integrated snap ring groove (N) on the outer ring allows for secure axial fixation within the transmission housing.
Dimensional Format: 30 × 72 × 19 mm configuration specialized for Mercedes-Benz systems.
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.