Skip to content
All products
NSK drawn cup needle roller bearings · NSK J-45
NSK J-45 needle roller bearing

NSKBrand we market

NSK J-45 needle roller bearing

Manufacturer Part NumberJ-45Also searched as: J45 · J 45
Brand
NSK
Category
Bearings
Series
J
Request a quote for J-45 via WhatsApp

We respond promptly.

Since 1945 · Martínez, Buenos Aires, Argentina

Request your quote via WhatsApp or email, with the quantity you need.

Can't find the exact model? Write to us with the part number or model you're looking for: we'll find it and quote it, even if it's not listed in the catalog.

Ask via WhatsAppAsk via email

Description

NSK J-45 is a reference of needle roller bearing, within Bearings. Request a quote for J-45 via WhatsApp or email with the quantity you need; we respond promptly with the quote and equivalents.

The NSK J series needle roller bearing is a radial needle roller bearing designed to withstand high radial loads with a very small cross-section. It is used in applications where radial space is limited and high load capacity is required, such as gearboxes, pumps, compressors and textile machinery. MR Accesorios Industriales sells this series in Buenos Aires, Argentina, and advises you on choosing the right size for your application.

The J series designation is read as J- followed by a number that indicates the bore diameter or the characteristic size of the bearing, depending on the specific code. For example, J-36, J-45, J-47, J-55, J-57, J-65, J-68 and J-78 are some of the part numbers in this series. The number is not an arbitrary code: it relates to the main dimension of the bearing, so the higher the number, the larger the size. To identify the exact size, it is always best to check with the full code.

These bearings are used in industries such as automotive, metallurgy, textile and food processing, in equipment such as gearboxes, oil pumps, compressors, machine tools and transmission systems. In Argentina, they are common in the repair of agricultural and industrial machinery, where worn bearings need to be replaced while keeping the original dimensions. MR Accesorios Industriales has extensive experience supplying needle roller bearings for these applications.

To correctly select a J series needle roller bearing, take into account the radial load it must withstand, the rotation speed and the available space. It is essential to verify the shaft and housing diameters, as well as the overall width. Mounting must be done with suitable tools to avoid damaging the needles or the raceways. Lubrication is critical: use the lubricant recommended by the manufacturer and make sure the bearing is properly aligned to avoid premature wear.

NSK J series needle roller bearings can be interchanged with equivalent products from other brands, as long as the main dimensions and load capacity match. If you have the code from another brand, we can help you find the equivalent. It is important not to mix bearings from different manufacturers in the same application without verifying compatibility. At MR Accesorios Industriales we advise you so that the replacement is safe and efficient.

If you need an NSK J series needle roller bearing, write to us on WhatsApp with the code or size you require. At MR Accesorios Industriales we will quote it promptly and tell you the compatible alternative if necessary. We can also advise you on mounting and lubrication so that your equipment runs smoothly. We are in Buenos Aires, Argentina, and we work with the leading brands on the market.

Dimensions

Dimensions and tolerances: Send us the part number via WhatsApp and we'll confirm the dimensions and version against the manufacturer's data sheet.

Frequently Asked Questions

What does the designation J-36, J-45, etc. mean?
The letter J indicates the NSK needle roller bearing series. The number that follows relates to the size of the bearing, generally the bore diameter or a characteristic dimension. The higher the number, the larger the size. To confirm the exact size, ask us with the full code.
Where are J series needle roller bearings used?
They are used in applications with limited radial space and significant radial loads, such as gearboxes, pumps, compressors, textile and agricultural machines. In Argentina, they are common in the repair of industrial and agricultural machinery.
How do I request a quote for an NSK J series bearing?
Write to us on WhatsApp with the code or size you need. At MR Accesorios Industriales we will quote it promptly and advise you on choosing the right bearing for your application.
Request a quote for J-45 via WhatsApp
Request a quote on WhatsApp