Cylindrical Roller Bearings
Lasting Bearing Group Co., Limited founded in 2008, is a company specializing in the manufacturing and sales of bearing transmission parts. Located in Hong Kong, and we have set up offices in some parts of the world, we are committed to providing our customers with high quality bearing products and high quality service.
Why Choose Us
Professional Team
We have a complete production line and an excellent R & D team, with independent development and design of various types of bearings, belts and grease strength. And we own our own brand, SDVV.
Quality Assurance
Our production line is located in Germany, equipped with the most advanced equipment and high technology production process, can ensure the consistency of product quality and reliability.
24H Online Service
We provide 24 hours online service, can let your doubts to solve in time. Fast and efficient service and to ensure customer satisfaction, so that you have no worries after sale.
Overview of Cylindrical Roller Bearings
The cylindrical roller bearings have a high radial load capacity and are suitable for high speeds. They are in linear contact with the raceways. They are designed to be reliable and a good fit for the environment.The bearing is highly versatile and can be used for many applications. They vary according to the number of rows of rollers (usually one, two, or four) and if there's a cage or not. No cage allows for the bearing to have more rows, which helps support even heavier radial loads. Cylindrical roller bearings can support significant radial loads (even very significant ones).
Advantages of Cylindrical Roller Bearings
High Load-Carrying Capacity
The outstanding load-carrying ability of cylinder roller bearings is the main feature that makes them unique. More surface area can be in touch with the raceways because of the rollers' cylindrical shape and alignment parallel to the axis of rotation. Because of this design characteristic, cylinder roller bearings can distribute radial loads more evenly, which makes them perfect for heavy-load applications.
Versatility
Cylinder roller bearings also have the significant benefit of being appropriate for high-speed applications. Compared to ball bearings, these bearings' design, which includes cylindrical rollers to provide smooth rolling action, reduces friction. Because of this decreased friction, cylinder roller bearings perform exceptionally well in applications like industrial machinery and automobile gearboxes where high rotating speeds are crucial.
Compact Design
Because of their small shape, cylinder roller bearings are an attractive choice for applications where space is premium. Compared to other bearing types, the cylindrical shape of the rollers, positioned parallel to the axis, enables a more efficient use of space. This compactness makes it easier for engineers to incorporate these bearings smoothly into systems with limited space and simplify the machinery's overall design.
Minimal Heat Generation
Efficiency is a crucial factor in the design and functioning of machinery, and cylinder roller bearings help to achieve this efficiency by producing less heat and friction. The cylindrical rollers' rolling action and appropriate lubrication provide less friction than sliding or other bearings. This decrease in friction reduces heat generation while simultaneously conserving energy.
Customization for Specific
Cylinder roller bearings are available in various types and combinations to meet the unique needs of various applications. Thanks to this customization feature, engineers and manufacturers can choose the best based on parameters like load capacity, speed, and space limits. Bearings come in various varieties, such as single row, double row, and full complement, so there's always a best fit for every given application.
We offer the following Product Specifications
|
Products |
Principal Dimensions |
Basic Load Ratings |
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|
|
|
Dynamic |
Static |
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|
|
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 radial-type roller bearings. This class of roller bearing includes tapered, spherical, and needle roller bearings. All cylindrical roller bearings have four essential components: an inner ring, an outer ring, rollers, and a cage. The bearing rings and rollers carry the load, and the cage keeps the rollers in place.
Cylindrical roller bearings vary from clearance and lubrication options, depending on the manufacturer.
They can be made with a cage or as a full complemented part. Some have no ribs on either ring, allowing axial movement of the rings, which can be used as free-end bearings.
Pressed steel or machined brass are the most common materials to form cylindrical roller bearing cages. Still, some use molded polyamide, which makes smoother and quieter running bearings. When necessary, hardened high carbon steel or carburized low carbon steel enhances bending fatigue and handles heavy shock loads.
Application of Cylindrical Roller Bearings
Automotive Industry
The first is automotive industry. They are commonly used in transmission systems, wheel hubs, and differentials to cater to heavy radial loads to maintain smooth movement of moving parts.
01
Electric Motors and Generators
These bearings enhance the longevity and efficiency of electric motors and generators by reducing friction and the generation of heat.
02
Industrial Gearbox
Cylindrical roller bearings are quite important to decrease friction and handle high-speed applications in different gear-driven machinery and systems.
03
Steel and Paper Mills
Such bearings also have applications in this industry as they can tolerate extreme loads and harsh conditions to make sure they continuously operate without hindrance.
04
Machine Tools
They are also used in machine tools where they offer precision and higher load carrying capabilities for rotary mechanisms and spindles.
05
Heat Treatment: Components like rollers, inner and outer rings undergo heat treatment processes to achieve the desired hardness and toughness. Heat treatment enhances the material’s mechanical properties, making it suitable for bearing applications.
Grinding: Precision grinding is a critical manufacturing process to achieve the necessary tolerances and surface finish for the bearing components. This ensures smooth operation and minimizes friction.
Cage Fabrication
The fabrication of cages involves stamping, machining, or molding, depending on the material. Precision in cage manufacturing is crucial for maintaining proper roller spacing and alignment.
Assembly
Assembling the various components with precision is essential for the proper functioning of the cylindrical roller bearing. This includes fitting the rollers, inner and outer rings, cage, and any seals or shields.
Lubrication
Lubrication is often applied during the manufacturing process or as part of the final assembly. Proper lubrication is critical for reducing friction and preventing premature wear.
Packaging & Delivery
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