Four-point contact ball bearings
In industrial equipment and agricultural machinery, precision positioning and high load capacity are vitally important. NTE four-point contact ball bearings operate reliably under both axial and radial loads.
Size range
The wide NTE product range makes it possible to order four-point contact bearings both for the design of new mechanisms and for the maintenance of existing equipment:
- Bore diameter: from 15 to 200 mm
- Outside diameter: from 35 to 360 mm
- Bearing width: from 11 to 70 mm.
The full-size range is available in the NTE technical catalogue.
Design and operating principle
NTE four-point contact ball bearings are made of high-quality alloy steel, ensuring durability and wear resistance.
Each structural element plays a specific role in bearing performance:
- Inner and outer rings – form the raceways and feature a special arc-shaped profile that allows each ball to simultaneously contact both rings at four points. This design enables the bearing to accommodate combined loads (radial and axial in both directions) within a compact structure.
- High-precision balls – ensure operation with minimal friction resistance and reduced noise.
- Cage (reinforced polymer or steel) – keeps the balls correctly positioned and provides uniform load distribution.
- Protection – many models, especially double-row ones, are equipped with seals to protect against the external environment.
Carefully designed construction reduces wear on components and simplifies maintenance, ensuring optimal bearing price.
Technical specifications
NTE bearings are available in a wide range of configurations, allowing accurate selection for specific operating conditions:
- Maximum rotational speed: up to 36,000 rpm (depending on operating conditions and lubrication method).
- Operating temperature range: from –30°C to +120°C (special versions up to ~150°C are available).
- Basic dynamic load rating: up to 176 kN.
Current values for speed, loads, and temperatures are shown in the NTE technical parameters table.
Industrial advantages
NTE bearings are manufactured in compliance with international ISO standards, ensuring optimal geometry, precise fit, and full interchangeability with equivalent bearings of the same class and size without additional modifications.
There are many reasons to buy a four-point contact bearing, but the key ones include:
- Compactness and efficiency: axial loads in both directions are supported, allowing one bearing to replace two, simplifying installation and maintenance.
- Flexible integration: suitable for standalone use or in combination with radial bearings for accurate shaft positioning.
- Stability and accuracy: reduced vibration improves machining quality and extends equipment service life.
- Versatility in operation: one bearing type fits multiple applications such as gearboxes, drives, spindles, and compressors, reducing inventory and logistics complexity.
Fields of application
Such NTE bearings are commonly used in the following areas:
- Gearboxes and transmission units.
- Industrial drives and actuators.
- Compressors and pumping equipment.
- High-precision spindles and machine tools.
- Textile and high-speed machinery.
- Construction, road, and transport equipment.
- Field and special-purpose machinery.
Four-point contact ball bearings types
NTE offers four-point contact bearings wholesale in two main designs:
- Single-row – compact design with low friction and smooth operation, characterized by reduced heat generation and extended service life.
- Double-row – two rows of balls provide higher load capacity compared to single-row versions; sealed configurations are also available.
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.
NTE components are an investment in the reliability of your machinery. High precision, long service life, and ease of integration make them the ideal solution for almost any industrial production. Contact our specialists to select optimal four-point contact bearings with delivery across Ukraine!
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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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