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CIN: U29130WB1946PLC013643
Founded in 1946, National Engineering Industries Ltd (NEI) is India’s leading bearings manufacturer and exporter, renowned for excellence in quality and delivery.
Cylindrical roller bearings are a unique design of bearings made for specific industrial needs. These are designed to carry a radial load and ensure minimal friction in operation. Cylindrical roller and radial ball bearings are also designed to handle small amounts of axial loads. However, it depends on the application as well as the distinct internal design of the bearings.
In general, roller bearings are known for their high-load-bearing capacity compared to the other bearing designs of the same size. Also, ball bearings usually come with a single point contact area, whereas roller bearings impact a much larger surface area.
| Products | Principal Dimensions | Basic Load Ratings | |||
|---|---|---|---|---|---|
| Dynamic | Static | ||||
| d [mm] | D [mm] | B [mm] | C [kn] | Co [kn] | |
| NJ204ECPC3 | 20 | 47 | 14 | 32 | 23 |
| NJ204ET2X | 20 | 47 | 14 | 31 | 25 |
| NJ304E | 20 | 52 | 15 | 34 | 27 |
| 22X58X17 | 22 | 58 | 17 | 36 | 38 |
| NU205E | 25 | 52 | 15 | 33 | 28 |
| MLNU205EXAT2X | 25 | 52 | 15 | 38 | 28 |
| NJ205 | 25 | 52 | 15 | 33 | 28 |
| NJ205E | 25 | 52 | 15 | 36 | 27 |
| N205E | 25 | 52 | 15 | 33 | 28 |
| NUP205E | 25 | 52 | 15 | 33 | 28 |
| NJ2205E | 25 | 52 | 18 | 32 | 30 |
| NJ2205ET2X | 25 | 52 | 15 | 39 | 35 |
| NJ305E | 25 | 62 | 17 | 46 | 38 |
| NU305 | 25 | 62 | 17 | 33 | 25 |
| NJK305 | 25 | 62 | 17 | 56 | 48 |
Cylindrical roller bearings are highly versatile. Due to this there can be multiple applications for the same bearings.
The advantages and applications of these types of bearings vary according to the design of the bearing. There can be one to four rows of rollers and can be customised with a cage. The designs with no cage allow for the bearing design to have more rows.
Roller bearings, including cylindrical roller bearings, are crucial components used in various machinery to support rotating shafts or axles while minimizing friction and allowing smooth movement.
They are commonly found in automotive transmissions, industrial gearboxes, electric motors, and other mechanical systems where radial or axial loads need to be supported.
Cylindrical roller thrust bearings are specifically designed to handle high axial loads in one direction, making them ideal for applications where heavy axial loads need to be supported, such as in gearboxes, pumps, and machine tool spindles.
They are commonly used in combination with radial bearings to provide both radial and axial support in rotating machinery.
Spherical bearings have a spherical outer ring and are designed to accommodate misalignment and axial loads in any direction, making them suitable for applications with shaft deflection or misalignment.
Cylindrical bearings, on the other hand, have a cylindrical shape and are primarily used to support radial loads in rotating shafts or axles.
The choice between spherical and cylindrical bearings depends on the specific requirements of the application:
Needle roller bearings have slender cylindrical rollers with a high length-to-diameter ratio, making them suitable for applications with limited space or where high radial loads need to be supported.
Cylindrical roller bearings have larger diameter rollers and are used to support heavier radial loads in machinery such as automotive transmissions, electric motors, and industrial equipment.
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