**NTN Precision Angular Contact Ball Bearings: Engineered for Performance and Reliability**
NTN Corporation, a global leader in bearing technology, delivers superior performance with its advanced range of **Angular Contact Ball Bearings**, including the high-precision **Machline** series and **Multi-Row Machline** configurations. Designed to meet the rigorous demands of industrial machinery, automotive systems, and precision equipment, NTN’s angular contact ball bearings excel in applications requiring high-speed operation, axial and radial load capacity, and exceptional accuracy.
### **Technical Features & Design Advantages**
NTN’s **Precision Angular Contact Ball Bearings** are engineered with optimized contact angles (typically 15°, 25°, or 40°) to support combined loads while maintaining rigidity. Key features include:
– **High-Speed Capability**: Precision-ground raceways and high-quality steel reduce friction and heat generation, enabling stable performance at elevated RPMs.
– **Enhanced Load Distribution**: The **Machline** series incorporates multi-row designs (e.g., duplex or quadruplex arrangements) to handle higher axial and moment loads in compact spaces.
– **Superior Materials & Coatings**: Advanced heat treatment processes and specialty coatings (such as NTN’s proprietary surface treatments) extend bearing life under harsh conditions, including contamination or marginal lubrication.
– **Pre-Greased & Sealed Options**: Available with shielded or sealed configurations to protect against debris, making them ideal for automotive wheel hubs, machine tool spindles, and robotics.
### **Performance Benefits**
NTN’s angular contact bearings are synonymous with **durability, precision, and efficiency**:
– **Reduced Vibration & Noise**: Precision tolerances (ABEC-3/P4 or higher) ensure smooth rotation, critical for CNC machinery and electric vehicle drivetrains.
– **Extended Service Life**: Optimized internal geometries minimize stress concentrations, while advanced lubrication technologies reduce wear.
– **Custom Configurations**: NTN offers tailored solutions, including hybrid ceramic bearings (steel races with ceramic balls) for extreme-speed applications.
### **Typical Applications**
These bearings are indispensable in sectors demanding reliability under dynamic loads:
– **Industrial Machinery**: Machine tool spindles, robotics, and high-speed pumps.
– **Automotive Systems**: Wheel bearings, turbochargers, and transmission components.
– **Aerospace & Precision Equipment**: Gyroscopes, medical devices, and semiconductor manufacturing tools.
For engineers seeking bearings that combine **precision, load capacity, and longevity**, NTN’s **Angular Contact Ball Bearings** and **Multi-Row Machline** series represent the pinnacle of innovation. Whether in high-speed automation or heavy-duty automotive applications, NTN’s solutions are built to outperform.
*Explore NTN’s full catalog to find the optimal bearing for your technical requirements.*
Part Number | d | D | B | Mass |
---|---|---|---|---|
75.000 mm |
130.000 mm |
25.000 mm |
||
80.000 mm |
140.000 mm |
26.000 mm |
||
85.000 mm |
150.000 mm |
28.000 mm |
||
85.000 mm |
150.000 mm |
28.000 mm |
||
90.000 mm |
160.000 mm |
30.000 mm |
||
90.000 mm |
160.000 mm |
30.000 mm |
||
100.000 mm |
180.000 mm |
34.000 mm |
||
100.000 mm |
180.000 mm |
34.000 mm |
||
35.000 mm |
62.000 mm |
14.000 mm |
||
65.000 mm |
100.000 mm |
18.000 mm |
||
25.000 mm |
52.000 mm |
15.000 mm |
||
55.000 mm |
100.000 mm |
21.000 mm |
||
25.000 mm |
52.000 mm |
15.000 mm |
||
60.000 mm |
110.000 mm |
22.000 mm |
||
25.000 mm |
52.000 mm |
15.000 mm |
||
65.000 mm |
120.000 mm |
23.000 mm |
||
30.000 mm |
62.000 mm |
16.000 mm |
||
65.000 mm |
120.000 mm |
23.000 mm |
||
30.000 mm |
62.000 mm |
16.000 mm |
||
30.000 mm |
62.000 mm |
16.000 mm |