RN2204X2MB Cylindrical Roller Bearing

Space-Saving RN Configuration: The omission of the outer ring provides a minimal radial cross-section, ideal for compact gearbox designs.
Premium Brass Cage (MB): Solid machined brass cage delivers superior roller guidance, low friction, and exceptional durability under high centrifugal stress.
Extreme Radial Load Density: Linear contact of cylindrical rollers provides immense radial weight support within a highly confined space.

Deep Application & Technical Narrative:

The RN2204X2MB is a specialized single-row cylindrical roller bearing designed without an outer ring (RN type). In this configuration, the rollers run directly on a precision-ground and hardened housing bore, which serves as the outer raceway. This design is highly critical for ultra-compact automotive transmissions, heavy truck gearboxes, and aerospace gear trains where radial housing space is extremely limited but immense radial force must be managed. The "MB" suffix represents a high-end machined brass cage guided on the inner ring or rollers, providing absolute stability at high speeds. In our dedicated assembly environment, we manually verify the precision diameter of the roller set and the balance of the brass cage for every RN2204X2MB. This physical verification ensures flawless high-RPM rotation and prevents transmission gear misalignment.

Customized B2B Supply & Packaging Solutions:
Our capability to supply a full range of bearing types includes managing complex, high-precision transmission components like the RN2204X2MB. We deliver these parts in oil-sealed, high-density industrial tubes to maintain micro-finished surfaces. We offer complete custom branding options and execute highly coordinated export logistics to major automotive repair hubs in Russia, South America, and Africa.
Targeted Technical Clarifications (FAQ):

Q: Does this bearing include an outer ring?
A: No, the RN series consists only of the inner ring, rollers, and cage assembly. The housing bore must be hardened and ground to act as the outer raceway.
Q: What is the benefit of the X2 designator?
A: The X2 suffix indicates a modified internal structure or enhanced roller profiling to prevent edge stress concentration under high torque loads.