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Tapered roller bearing NTN #4T-JLM508748/JLM508710
- Manufacturer Part Number
- #4T-JLM508748/JLM508710
- Brand
- NTNOfficial distributor
- Category
- Bearings
- Subcategory
- Tapered roller bearings
- Series
- J
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Description
NTN #4T-JLM508748/JLM508710 is a tapered roller bearing reference, within Bearings. Request a quote for #4T-JLM508748/JLM508710 via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.
The NTN J series tapered roller bearing is a component designed to withstand combined radial and axial loads. Its cone and cup geometry allows adjustable mounting, ideal for applications requiring high load capacity and rigidity. MR Accesorios Industriales sells this series in Buenos Aires, Argentina, with more than 80 years of experience in the field. If you need a specific size, write to us on WhatsApp and we will quote it.
The designation of the NTN J series is interpreted from its codes. For example, 4T-JLM104948/JLM104910 indicates a cone and cup assembly: the prefix 4T- identifies the metric or inch series as applicable, and JLM corresponds to the tapered roller series. The numbers that follow identify the cone and the cup separately. In 4T-JLM506849/JLM506810, the first block is the cone and the second the cup. This nomenclature allows each component to be identified and the exact replacement to be ordered.
These bearings are used in a wide variety of industrial applications in Argentina. They are found in gearboxes, drive shafts, road machinery rollers, mining equipment, flour mills and conveyors. They are also present in the automotive sector, especially in wheel hubs and differentials. Their ability to withstand combined loads makes them suitable for demanding environments, such as cement, steel and oilseed plants. MR Accesorios Industriales sells them for replacement and new projects.
To correctly select a tapered roller bearing, take into account the radial and axial load, the rotation speed and the environmental conditions. Mounting requires precise alignment and proper adjustment of the axial clearance, which is achieved by advancing the cone on the shaft or the cup in the housing. Lubrication can be with grease or oil, depending on the application. It is essential to check the sealing to prevent contamination with dust or particles, which extends the bearing's service life.
As for equivalences, NTN J series tapered roller bearings can be interchanged with those of other brands that follow the same international nomenclature. However, it is important to verify tolerances and internal design, as they may vary between manufacturers. If you have another brand's code, we can tell you the compatible alternative. We always recommend consulting our technical team to ensure correct selection and avoid premature failures.
To request a quote for your NTN J series tapered roller bearing, simply send us the code or the size by WhatsApp. At MR Accesorios Industriales we quote it shortly. If you cannot find the exact reference, write to us with the model you need and we will tell you the compatible alternative. With more than 80 years in the market, we are your reliable partner in Buenos Aires, Argentina.
This description provides guidance on the product type. Check the configuration and dimensions of this reference.
Dimensions
Dimensions and tolerances: Send us the part number via WhatsApp and we'll confirm dimensions, sealing, and internal clearance against the manufacturer's data sheet.
Frequently Asked Questions
- What does the designation 4T-JLM104948/JLM104910 mean?
- The prefix 4T- indicates the series, JLM corresponds to the tapered roller series, and the numbers identify the cone and the cup separately. The first block is the cone and the second the cup. This nomenclature allows the exact replacement to be ordered.
- How is a tapered roller bearing mounted?
- It is mounted by adjusting the axial clearance through advancing the cone on the shaft or the cup in the housing. Precise alignment and proper lubrication are crucial. We recommend following the manufacturer's instructions and checking the sealing.
- Can I replace a bearing from another brand with an NTN J series one?
- Yes, if the nomenclature matches. NTN J series tapered roller bearings can be interchanged with those of other brands that follow the same designation. Check tolerances and internal design. If you have doubts, send us the code and we will advise you.

