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NTN 4T-12303 & 4T-12175 Bearing Set – Precision-Matched Tapered Roller Bearings for Dual Load Support
The NTN 4T-12303 & 4T-12175 is a matched tapered roller bearing set with a 3-1/32 inch outer diameter, engineered to deliver superior performance under combined radial and axial loads. This set includes both the cone (4T-12175) and cup (4T-12303), ensuring a precise fit and optimal load distribution for high-efficiency operation.
Designed for use in automotive hubs, gearboxes, industrial machinery, and heavy-duty equipment, this bearing set offers extended service life, high rigidity, and excellent resistance to misalignment and shock loading. NTN’s 4T series features optimized surface finishes and controlled heat treatment for enhanced durability and reduced friction.
Choose the NTN 4T-12303 & 4T-12175 bearing set for trusted reliability, engineered precision, and high load-bearing capacity in challenging operating conditions.
1–3 Days in Most States
Bulk Discounts Available
OEM-Approved Lubricants
Fleets & Operators
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