Self Aligning Ball Bearing

**NTN Self-Aligning Ball Bearings: Precision, Durability, and Versatility for Demanding Applications**

NTN is a globally recognized leader in the design and manufacture of high-performance rolling bearings, with its **Self-Aligning Ball Bearings** standing out as a critical solution for applications requiring exceptional misalignment compensation, reduced friction, and long service life. These bearings are engineered to accommodate shaft misalignment and mounting errors while maintaining smooth operation—making them indispensable in industrial machinery, automotive systems, and precision equipment where reliability under dynamic conditions is paramount.

### **Technical Features & Design Advantages**
NTN’s **Self-Aligning Ball Bearings** feature a unique double-row ball and spherical raceway design in the outer ring, allowing the inner ring and balls to pivot freely. This self-aligning capability compensates for **angular misalignment up to 3 degrees**, reducing stress on adjacent components and preventing premature wear. Key technical highlights include:

– **Robust Construction:** Manufactured from high-grade chrome steel or specialty materials (e.g., stainless steel for corrosive environments), these bearings deliver high load capacity and resistance to fatigue.
– **Low-Friction Performance:** Precision-ground raceways and optimized ball-to-groove contact minimize friction, enhancing efficiency and reducing heat generation.
– **Sealing & Lubrication Options:** NTN offers variants with **contact (LLU) or non-contact (LLB) seals**, as well as shields, to protect against contaminants. Pre-lubricated with high-performance grease for extended maintenance intervals.
– **High-Speed Capability:** Advanced cage designs (stamped steel, machined brass, or polymer) ensure stability at elevated speeds, critical for automotive and industrial applications.

### **Performance Benefits**
NTN’s Self-Aligning Ball Bearings excel in **harsh or misaligned operating conditions**, providing:
– **Extended Service Life:** Reduced wear from misalignment lowers downtime and replacement costs.
– **Vibration & Noise Dampening:** Smoother rotation improves performance in precision equipment like pumps and fans.
– **Versatility:** Suitable for radial and moderate axial loads, with options for heavy-duty industrial or high-speed automotive use.

### **Typical Applications**
These bearings are widely used across industries, including:
– **Industrial Machinery:** Conveyors, gearboxes, textile spindles, and agricultural equipment where shaft deflection occurs.
– **Automotive Systems:** Auxiliary units (alternators, tensioners), electric motors, and drivetrain components requiring misalignment tolerance.
– **Precision Equipment:** Medical devices, robotics, and HVAC systems where smooth, low-maintenance operation is critical.

NTN’s commitment to **innovation and quality control** ensures that its Self-Aligning Ball Bearings meet stringent ISO and ABMA standards, providing engineers with a reliable solution for challenging mechanical systems. Whether in high-load industrial environments or high-speed automotive applications, NTN’s bearings deliver **durability, efficiency, and performance under misaligned conditions.**

For applications demanding **resilience and precision**, NTN’s Self-Aligning Ball Bearings offer a proven, high-performance solution.

MORE +
CLOSE +
Part Number d D B r Mass
1322KC3
110.000 mm
240.000 mm
50.000 mm
3.000 mm
1412C3
60.000 mm
150.000 mm
42.000 mm
N/A
4.250 kg
2200
10.000 mm
30.000 mm
14.000 mm
0.600 mm
0.046 kg
1313K
65.000 mm
140.000 mm
33.000 mm
2.100 mm
2.390 kg
1313KC3
65.000 mm
140.000 mm
33.000 mm
2.100 mm
2.390 kg
1314
70.000 mm
150.000 mm
35.000 mm
2.100 mm
2.956 kg
1314C3
70.000 mm
150.000 mm
35.000 mm
2.100 mm
1314K
70.000 mm
150.000 mm
35.000 mm
2.100 mm
2.921 kg
1314KC3
70.000 mm
150.000 mm
35.000 mm
2.100 mm
1315
75.000 mm
160.000 mm
37.000 mm
2.100 mm
3.546 kg
1315C3
75.000 mm
160.000 mm
37.000 mm
2.100 mm
3.546 kg
1315K
75.000 mm
160.000 mm
37.000 mm
2.100 mm
3.505 kg
1315KC3
75.000 mm
160.000 mm
37.000 mm
2.100 mm
3.505 kg
1316
80.000 mm
170.000 mm
39.000 mm
2.100 mm
4.116 kg
1316C3
80.000 mm
170.000 mm
39.000 mm
2.100 mm
4.116 kg
1316K
80.000 mm
170.000 mm
39.000 mm
2.100 mm
4.109 kg
1316KC3
80.000 mm
170.000 mm
39.000 mm
2.100 mm
4.109 kg
1317
85.000 mm
180.000 mm
41.000 mm
3.000 mm
4.940 kg
1317C3
85.000 mm
180.000 mm
41.000 mm
3.000 mm
1317K
85.000 mm
180.000 mm
41.000 mm
3.000 mm
4.882 kg
1317KC3
85.000 mm
180.000 mm
41.000 mm
3.000 mm
4.882 kg
1318
90.000 mm
190.000 mm
43.000 mm
3.000 mm
5.726 kg
1318C3
90.000 mm
190.000 mm
43.000 mm
3.000 mm
1309
45.000 mm
100.000 mm
25.000 mm
1.500 mm
0.946 kg