**NTN Angular Contact Ball Bearings: Precision Performance for Demanding Applications**
NTN Corporation, a global leader in bearing technology, offers a comprehensive range of **Angular Contact Ball Bearings** engineered to deliver exceptional precision, durability, and load-bearing performance in high-speed and high-load applications. Designed to accommodate combined radial and axial loads, these bearings are critical components in industrial machinery, automotive systems, and precision equipment where reliability and efficiency are paramount.
### **Technical Features & Design Advantages**
NTN’s **Single Row Angular Contact Ball Bearings** feature a non-separable design with high-precision raceways and optimized contact angles (typically 15°, 25°, 30°, or 40°), enabling them to handle significant axial loads in one direction while supporting moderate radial loads. The bearings are available in **open, shielded, or sealed configurations**, with advanced materials and heat treatments enhancing fatigue resistance and service life.
For applications requiring higher rigidity and load capacity, NTN provides **Matched Bearing Sets**, where two or more single-row bearings are pre-loaded and paired in tandem, back-to-back, or face-to-face arrangements. These sets improve axial and moment load distribution, making them ideal for machine tool spindles, gearboxes, and high-precision rotary systems.
For even greater performance, NTN’s **Multi-Row Angular Contact Ball Bearings** integrate two or more rows of balls into a single unit, significantly increasing load capacity and stiffness while minimizing space requirements. These bearings are commonly used in heavy-duty industrial applications such as rolling mills, large pumps, and wind turbine gearboxes.
### **Performance Benefits**
– **High-Speed Capability:** Optimized internal geometry and premium-grade steel reduce friction and heat generation, allowing stable operation at elevated speeds.
– **Enhanced Rigidity:** Precision-ground raceways and controlled pre-loading minimize deflection, critical for machining accuracy in CNC equipment.
– **Extended Service Life:** Advanced lubrication technologies and corrosion-resistant coatings (e.g., NTN’s proprietary treatments) reduce wear in harsh environments.
– **Customization Options:** NTN offers tailored solutions with special cages (brass, polyamide, or steel), hybrid ceramic balls, or modified internal clearances for specific operating conditions.
### **Typical Applications**
– **Industrial Machinery:** Machine tool spindles, robotic arms, and high-speed compressors.
– **Automotive Systems:** Wheel hubs, turbochargers, and transmission components.
– **Aerospace & Precision Equipment:** Gyroscopes, medical imaging devices, and semiconductor manufacturing tools.
NTN’s Angular Contact Ball Bearings exemplify the company’s commitment to innovation, combining cutting-edge engineering with rigorous quality standards to meet the evolving demands of modern industry. Whether in high-speed automation or heavy-load environments, NTN bearings ensure smooth, efficient, and long-lasting performance.
Part Number | d | D | B | r | Mass |
---|---|---|---|---|---|
55.000 mm |
80.000 mm |
13.000 mm |
1.000 mm |
||
17.000 mm |
35.000 mm |
10.000 mm |
0.300 mm |
0.135 kg |
|
50.000 mm |
90.000 mm |
20.000 mm |
1.100 mm |
1.864 kg |
|
40.000 mm |
68.000 mm |
15.000 mm |
1.000 mm |
0.552 kg |
|
50.000 mm |
90.000 mm |
20.000 mm |
1.100 mm |
1.350 kg |
|
55.000 mm |
90.000 mm |
18.000 mm |
1.100 mm |
||
40.000 mm |
62.000 mm |
12.000 mm |
0.600 mm |
||
60.000 mm |
95.000 mm |
18.000 mm |
1.100 mm |
0.596 kg |
|
40.000 mm |
62.000 mm |
12.000 mm |
0.600 mm |
||
65.000 mm |
100.000 mm |
18.000 mm |
N/A |
||
65.000 mm |
100.000 mm |
18.000 mm |
1.100 mm |
||
70.000 mm |
110.000 mm |
20.000 mm |
1.100 mm |
1.758 kg |
|
80.000 mm |
125.000 mm |
22.000 mm |
1.100 mm |
2.499 kg |
|
80.000 mm |
125.000 mm |
22.000 mm |
1.100 mm |
2.499 kg |
|
95.000 mm |
145.000 mm |
24.000 mm |
1.500 mm |
4.880 kg |
|
30.000 mm |
62.000 mm |
16.000 mm |
1.000 mm |
0.570 kg |
|
35.000 mm |
72.000 mm |
17.000 mm |
1.100 mm |
0.854 kg |
|
35.000 mm |
72.000 mm |
17.000 mm |
1.100 mm |
0.828 kg |
|
35.000 mm |
72.000 mm |
17.000 mm |
1.100 mm |
0.828 kg |
|
45.000 mm |
85.000 mm |
19.000 mm |
1.100 mm |
1.230 kg |