📐 Basic Dimensions:
- Inner Diameter (d): 25 mm
- Outer Diameter (D): 42 mm
- Width (B): 17 mm
⚙️ Structure & Material Information:
- Design Type: Single-row needle roller bearing
- Feature: Without inner ring, suitable for hardened shaft use
- Material: High carbon chromium bearing steel (GCr15)
- Cage Material: Pressed steel or polyamide
- Precision Grade: ISO ABEC 1–ABEC 5
- Clearance: Standard C0–C3
📦 Applications:
INA NA4905 needle roller bearing is commonly used in gearboxes, printing machinery, textile machines, and hydraulic systems. It is ideal for applications with limited installation space and high radial load requirements.
🧠 Expert Insight:
Renowned for its compact structure and excellent load capacity, the INA NA4905 operates efficiently in space-constrained equipment. Its low friction and high reliability make it an essential component in high-performance transmission systems.