
NTN 4T-H715348/H715311 tapered roller bearing
- Brand
- NTN
- Category
- Bearings
- Subcategory
- Tapered roller bearings
- Series
- J
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Description
NTN 4T-H715348/H715311 belongs to tapered roller bearing, part of our Bearings range. Tell us how many you need by WhatsApp or email and we'll get back to you promptly with a quote for 4T-H715348/H715311 and any equivalents.
NTN J series tapered roller bearings are built to carry radial and axial loads at the same time. The tapered rollers run on inclined raceways, so contact is linear and the load spreads across a wider surface, which gives the bearing rigidity and load capacity. You will find them in gearboxes, transmission shafts and other industrial equipment where precision and strength matter. MR Industrial Accessories supplies this series.
Reading the code is the first step in selection. The 4T-H prefix points to a high-capacity design; the numbers that follow identify the cone and the cup as separate parts, the first code being the cone and the second the cup. A dagger symbol in some references marks a variant with special features, such as a lubrication hole or a surface treatment. Understanding this nomenclature helps you order the right assembly.
These bearings appear in gearboxes, speed reducers, wheel axles, road machinery, mining equipment and belt drive systems, as well as in the food, textile and woodworking industries. Because they take axial load in one direction, they are normally mounted in pairs. Where combined loads and tough conditions are the norm, this construction holds up well.
Selection depends on radial and axial load, rotational speed and the environment around the bearing. Mounting has to be aligned precisely so no extra stress is added. Grease or oil lubrication, applied correctly, supports service life, and sealing matters in contaminated areas, where configurations with integrated seals are an option. Internal clearance also has to be set for the application, since too much or too little affects how the bearing performs.
Tapered roller bearings are made to international standards, so references from different manufacturers can often be exchanged when dimensions and load capacity agree. Catalogs from other makers usually list equivalent references, but tolerances and internal design should still be checked. MR Industrial Accessories can help you find a suitable alternative from the original code or from the measured dimensions of the part.
For a quote on NTN J series tapered roller bearings, send the code or your application dimensions by WhatsApp or email. The team answers promptly and can suggest equivalents or help you choose.
Dimensions
Dimensions and tolerances: Message us the part number on WhatsApp and we'll verify its dimensions and version with the manufacturer's datasheet.
Frequently asked questions
- What does the 4T-H designation mean in NTN bearings?
- The 4T-H prefix identifies a high-capacity design. The numbers that follow identify the cone and the cup separately, so you can select the correct assembly for your mounting.
- How do I choose the right tapered roller bearing for my equipment?
- Look at radial and axial load, speed, available space and environmental conditions. With the original code or the shaft and housing dimensions, we can advise you on the correct reference.
- Are NTN J series bearings interchangeable with other brands?
- Often yes, provided dimensions and load capacity match. International standards make interchangeability easier, but tolerances and internal design should be verified. We help you find a suitable equivalent.

