Cylindrical roller bearings
Even modern equipment operating under high loads requires the proper selection of bearings. Insufficient rigidity or inaccuracy of shaft rotation results in downtime and additional costs. NTE cylindrical roller bearings ensure stable operation of assemblies.
Size range
A wide size range makes it possible to buy a cylindrical roller bearing fully compatible with your assembly:
- Bore diameter: from 15 to 400 mm
- Outside diameter: from 35 to 600 mm
- Bearing width: from 11 to 90 mm (single-row design) and up to 160 mm (double-row design).
Design and operating principle
Due to the precise design of the rings and the uniform distribution of the rollers, NTE bearings ensure uninterrupted operation even in the most intensive duty cycles. Their flexible configuration, with or without a cage, can be precisely adapted to your equipment.
Cage materials include:
- Steel – maximum strength and wear resistance, withstands high loads and impacts.
- Brass – has a lower coefficient of friction, suitable for high-speed and precision bearings.
- Polyamide – lightweight, resistant to corrosion and high temperatures.
Rollers move between the raceways of the rings, transmitting loads through linear contact to achieve increased load capacity and rigidity. Flanges provide axial shaft guidance.
The design of bearings with two flanges on one ring and no flanges on the other allows for axial displacement within certain limits, compensating for shaft length changes due to thermal expansion. Such designs are recommended for use as floating bearings. If there is a flange on the second ring, such a bearing secures the shaft in one axial direction and can temporarily accommodate small axial loads.
For shaft location in both axial directions and the absorption of limited axial loads, bearings with a loose flange ring are used. Special designs are available with roller ends tangential to the flanges of specially profiled rings, ensuring good lubrication of the contact surface. As a result, such bearings can withstand axial loads (about 20% of the radial load, and even more for short periods; the maximum permissible axial load should be specified, as it depends significantly on the bearing design and manufacturing technology). This design is commonly used in axlebox bearings.
Technical specifications
Key technical specifications include:
- Maximum rotational speed: up to 22,000 rpm; reinforced construction withstands intensive operating modes.
- Operating temperature range: up to +150°C (standard models), up to +200°C for diameters >120 mm.
- Basic dynamic load rating: up to 5067 kN; reduces the risk of premature wear.
Current values for speed, loads, and temperatures are shown in the NTE technical parameters table.
Industrial advantages
NTE roller bearings deliver reliable performance due to the following advantages:
- Extremely high load capacity. With linear contact between the rollers and the raceways and their close arrangement, the bearing can handle high radial loads despite its compact dimensions.
- High rigidity of the bearing assembly. The precise geometry of the rings and rollers ensures stable shaft positioning under load, guaranteeing rotational accuracy and reducing component wear.
- Compact design. With a bearing height that's low compared to its width, small assemblies can be designed even for high loads, saving space in equipment.
- Optimized rolling surface finish. Special treatment of the contact surfaces of the rollers and raceways reduces friction and local slippage, increasing the bearing's service life.
- Capability to absorb axial loads. This optimizes the design of assemblies and reduces the number of additional support elements.
- Ease of installation. The split design simplifies the installation of the bearing on hard-to-reach shafts.
Fields of application
Cylindrical roller bearing delivery in Ukraine is available for applications such as:
- Mechanical engineering – gearboxes, machine tools, electric motors, transmission assemblies.
- Metallurgy – rolling mills, rollers, conveyors, heavy rotating mechanisms.
- Mining industry – crushers, mills, belt conveyors, excavators.
- Power equipment – generators, turbines, pumps.
Cylindrical roller bearings types
NTE offers the following types in its product range:
- Single-row bearings – support a combination of radial and axial loads in one direction; compact and easy to install.
- Double-row and multi-row bearings – for particularly loaded assemblies.
The availability of all types of roller bearings at NTE allows for the precise selection of bearings for specific loads. This optimizes budgets and simplifying procurement and maintenance processes.
Why choose NTE
- Stable supply – reduced waiting times.
- Quality assurance – certified products and multi-stage inspection.
- Flexible terms of cooperation – the option to buy bearings wholesale, discounts, and tailored offers.
- Extensive product range – multiple sizes and designs available.
Choosing to buy cylindrical roller bearings wholesale is an investment in the stable operation of your enterprise. Work efficiently with NTE!
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Our official distributors
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We offer bearings compliant with international quality standards. NTE products are manufactured at certified facilities, undergo strict inspection, and combine durability, precision, and stable performance. Their high quality is confirmed by experience in automotive, electrical engineering, machine building, and metallurgical industries.
What we offer distributors:
- Professional technical support
- Certificates & documentation
- Special purchase prices
- Convenient terms of cooperation
- Ongoing support
- Easy interaction
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