Tapered Roller Bearing: NTN 4T-30306D

The  Tapered Roller Bearing: NTN 4T-30306D (marked on the product text as TIMKEN-30310D / NTN JAPAN BEARING) is a premium replacement component engineered to manage high combined radial and axial heavy loads simultaneously.
🔍 Technical Specifications
  • Model Number: NTN 4T-30306D / 4T-30306
  • Type: Tapered Roller Bearing (Single Row)
  • Bore / Inside Diameter: 30mm
  • Outside Diameter: 72mm
  • Width / Thickness: 20.75mm
  • Mass: 0.395 kg
  • Dynamic Load Rating: 54.5 kN
  • Static Load Rating: 51.5 kN
  • Limiting Speed: 5,300 rpm (Grease) / 7,100 rpm (Oil)
📋 Key Features
  • Appearance: High-strength industrial steel tapered rollers and cage assembly paired with the iconic blue and white NTN retail packaging box.
  • 4T Designation: Indicates NTN’s top-tier case-hardened carburizing steel formulation optimized for superior fatigue life and high resistance to shock loads.
  • Separable Design: The inner ring with roller/cage assembly (cone) and the outer ring (cup) can be mounted separately for easy installation.
  • Country of Origin: Japan.
📞 Contact & Procurement Details
To secure pricing, check stock availability, or coordinate bulk fulfillment across Saudi Arabia, contact the Ayub First Trading Company distribution offices directly:
  • Primary Hotline (Call/WhatsApp): +966 56 004 2170
  • Regional Warehouses: Showrooms fully stocked in Riyadh (Al Jabrah, Batha Road), Jeddah, Dammam, and Al Khobar (20th Street, Hail Road)
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