NTN 4T-30312D Tapered Roller Bearing - 60x130x33.5 mm, Metric, Single Row

NTN 4T-30312D - Metric Tapered Roller Bearing (Single Row) 60x130x33.5 mm

The NTN 4T-30312D is a high-precision tapered roller bearing designed for heavy radial and axial loads. With dimensions of 60 mm bore, 130 mm outer diameter, and 33.5 mm width, this single-row bearing is engineered for demanding mechanical systems such as:

• gearboxes

• wheel hubs

• agricultural machinery

• drive axles

• construction equipment

The 4T (Four Tough) series by NTN ensures greater load capacity, improved fatigue strength, and reduced friction. Its split design allows easy assembly and adjustment of preload or axial clearance.

⚙️ Technical Specifications:

• Bearing type: Tapered roller, single row

• Model: 4T-30312D

• Bore (inner diameter): 60 mm

• Outer diameter: 130 mm

• Width: 33.5 mm

• Material: Heat-treated bearing steel

• Design: Split (cone + cup)

• Compliance: ISO 355 / DIN 720

• Manufacturer: NTN - global bearing leader

❓ Frequently Asked Questions (FAQ):

What does "4T" mean in NTN bearings?
It stands for “Four Tough” - NTN’s proprietary technology for enhanced wear resistance, surface finish, and durability in tough environments.

Where is this bearing used?
The 4T-30312D is commonly used in wheel hubs, gearboxes, agricultural machinery, and general industry wherever radial and axial loads occur.

Can I get fast delivery?
Yes. We ship all orders within 24 hours from our warehouse in Lublin, Poland.

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