📐 Basic Dimensions:

  • Inner Diameter (d): 40 mm
  • Outer Diameter (D): 50 mm
  • Width (B): 30 mm

⚙️ Structure & Material Information:

  • Design Type: Single-row needle roller bearing
  • Feature: No inner ring; operates directly on hardened shaft surface
  • Material: High carbon chromium bearing steel (GCr15)
  • Cage Material: Reinforced polyamide (TV)
  • Precision Grade: ISO ABEC 1–ABEC 5
  • Clearance: Standard C0–C3

📦 Applications:
INA NK40/30-TV bearings are ideal for gearboxes, hydraulic systems, automation devices, and power tools that require high radial load capacity in tight spaces.

🧠 Expert Insight:
With a high-strength polyamide cage and compact design, the INA NK40/30-TV ensures low friction and low noise, even under continuous heavy load. It’s the optimal solution for high-efficiency, space-saving transmission systems.