FAG NJ2340-EX-TB-M1 cylindrical roller bearing
- Brand
- FAG
- Category
- Bearings
- Subcategory
- Cylindrical roller bearings
We respond promptly.
Since 1945 · Martínez, Buenos Aires, Argentina
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How to read FAG NJ2340-EX-TB-M1
- NJ 23Series
- Cylindrical roller bearings, NJ 23 series. For the same bore, each series has a different outside diameter and width.
- 40Bore
- 200 mm bore: 40 × 5.
- EX-TB-M1Suffix
- FAG suffix: it defines the variant (sealing, cage, internal clearance or other features).
NJ 2340 is the standard (ISO) basic designation: it defines the type, the series and the bore.
Description
The FAG NJ2340-EX-TB-M1 bearing has a 200 mm bore, a 420 mm outside diameter and a 138 mm width (200 x 420 x 138 mm).
FAG NJ2340-EX-TB-M1 is a reference of cylindrical roller bearing, within Bearings. Request a quote for NJ2340-EX-TB-M1 via WhatsApp or email with the quantity you need; we respond promptly with the quote and equivalents.
The FAG NJ series cylindrical roller bearing is a component with high radial load capacity, designed to withstand heavy loads and considerable speeds. Its brass cage construction and special dimensional treatment make it suitable for demanding applications in industrial machinery. MR Accesorios Industriales sells this line for the Argentine market, with technical advice to select the correct variant for each piece of equipment.
The designation of these bearings is interpreted as follows: the letters NJ indicate that the inner ring has one rib and the outer ring has two, allowing axial guidance in one direction. The number following the letters (for example, 2334, 2336, 2338 or 2340) defines the size and load capacity. The suffix EX indicates a design with higher capacity and optimized dimensions; TB identifies the machined brass cage, and M1 indicates heat treatment stabilized for high temperatures. Knowing these codes makes it easier to order the exact replacement.
These bearings are used in applications where radial loads are intense and rigidity is required, such as gearboxes, machine tools, industrial pumps, large fans and mining equipment. In Argentina, they are common in the oilseed, steel, cement and mineral processing industries. Their ability to withstand combined loads and their fatigue resistance make them suitable for continuous operation and severe conditions.
To select the correct bearing, take into account radial and axial load, rotation speed and environmental conditions. Sealing or protection against contaminants is key: if the equipment operates in dusty environments, a variant with seals is recommended. Lubrication must be suitable for the temperature and speed; generally, high-viscosity greases or oils are used. Installation requires precise alignment and correct adjustment of internal clearance to avoid premature failure.
FAG NJ series bearings are interchangeable with those of other brands that follow the same dimensional and design nomenclature. When requesting a quote, it is important to verify tolerances and internal clearance, as they can vary between manufacturers. MR Accesorios Industriales can advise you on equivalences and options that apply to your specific application.
If you need a FAG NJ series cylindrical roller bearing, write to us on WhatsApp with the complete part number (for example, NJ2334-EX-TB-M1) and we will provide a quote shortly. MR Accesorios Industriales helps you find the right part for your equipment.
Dimensions
Boundary dimensions of the basic designation NJ 2340 per ISO 15: 200 x 420 x 138 mm (d x D x B).
- Bore
- 200mm
- Outside diameter (D)
- 420mm
- Width (B)
- 138mm
Same size in SKF
Pages from other brands with the basic designation NJ 2340: 200 x 420 x 138 mm (d x D x B) per ISO 15.
- Looking for the SKF NJ 2340? We also quote:NJ 2340 ECMA
They share the boundary dimensions set by ISO 15, not the technical data: seals or shields, internal clearance, cage and load rating can differ by brand and suffix. We quote each one by its full part number.
Frequently Asked Questions
- What are the dimensions of the FAG NJ2340-EX-TB-M1 bearing?
- The FAG NJ2340-EX-TB-M1 bearing has a 200 mm bore, a 420 mm outside diameter and a 138 mm width (200 x 420 x 138 mm). These are the standardised boundary dimensions (ISO 15) of the basic designation NJ 2340.
- What does the EX suffix mean in an NJ bearing?
- The EX suffix indicates a higher load capacity design, with dimensions optimized to withstand higher loads. It is common in demanding industrial applications.
- How do I know which NJ bearing I need for my machine?
- You need to know the housing and shaft dimensions, radial and axial load, and operating speed. With that data, we can advise you on choosing the correct part number.
- Are FAG NJ bearings interchangeable with other brands?
- Yes, they are generally interchangeable with bearings from other brands that follow the same dimensional nomenclature. Always verify tolerances and internal clearance before replacing.