📐 Basic Dimensions:

  • Inner Diameter (d): 55 mm
  • Outer Diameter (D): 100 mm
  • Width (B): 22.75 mm

⚙️ Structure & Material Information:

  • Design Type: Single-row tapered roller bearing
  • Feature: Separable outer ring for easy installation and adjustment
  • Material: High carbon chromium bearing steel (GCr15)
  • Cage Material: Pressed steel
  • Precision Grade: ISO ABEC 1–ABEC 5
  • Clearance: Factory pre-set

📦 Applications:
KOYO 30211JR is suitable for commercial vehicles, gear transmissions, agricultural machinery, and drive systems with significant axial and radial load demands.

🧠 Expert Insight:
Built with high durability and precise roller alignment, the KOYO 30211JR ensures long-lasting performance under high-load conditions. It’s a trusted bearing solution for demanding drive systems.