Spherical Roller Bearings w/ Tapered Bore

**Introduction to NTN Spherical Roller Bearings: Precision, Durability, and Versatility**

NTN is a globally recognized leader in the design and manufacture of high-performance rolling bearings, with a strong reputation for innovation and reliability. Among its extensive product portfolio, **NTN Spherical Roller Bearings** stand out as a critical solution for applications requiring exceptional load capacity, misalignment compensation, and long service life. Available in **standard designs** and **tapered bore configurations**, these bearings are engineered to meet the demanding requirements of industrial machinery, automotive systems, and heavy-duty equipment.

### **Technical Features & Design Advantages**
NTN Spherical Roller Bearings are designed with a **self-aligning capability**, thanks to their unique spherical raceway in the outer ring and barrel-shaped rollers. This allows them to accommodate **shaft misalignment** and **housing deflections**, reducing stress and wear in applications where alignment precision is challenging. Key features include:

– **High Load Capacity**: Optimized roller geometry and advanced heat treatment ensure superior **radial and axial load handling**, making them ideal for heavy machinery and shock-loaded environments.
– **Robust Construction**: NTN bearings incorporate **high-quality steel alloys** and precision grinding for enhanced durability, even in contaminated or high-vibration conditions.
– **Tapered Bore Option**: Spherical roller bearings with a **tapered bore** facilitate easier mounting and dismounting using adapter sleeves or withdrawal sleeves, ensuring a secure fit on tapered shafts.
– **Advanced Sealing & Lubrication**: Options include **labyrinth seals, snap-ring grooves**, and specialized grease formulations to extend maintenance intervals and protect against contaminants.

### **Performance Benefits**
NTN’s Spherical Roller Bearings deliver **longer operational life** and **reduced downtime** in harsh industrial environments. Their ability to **compensate for misalignment** minimizes edge loading, while optimized internal clearances enhance performance under fluctuating temperatures and speeds. Additionally, NTN’s proprietary manufacturing processes ensure **low noise, smooth operation**, and **energy efficiency**, contributing to lower total cost of ownership.

### **Typical Applications**
These bearings are widely used across industries where reliability under heavy loads and misalignment is critical:

– **Industrial Machinery**: Crushers, pulverizers, conveyors, and gearboxes in mining, cement, and steel production.
– **Automotive & Transportation**: Heavy-duty truck axles, off-road vehicle transmissions, and rail traction systems.
– **Energy & Power Generation**: Wind turbine pitch/yaw systems, hydroelectric turbines, and generator shafts.
– **Precision Equipment**: Paper mill rollers, printing presses, and large-scale pumps requiring precise alignment tolerance.

With a commitment to **precision engineering** and **continuous innovation**, NTN’s Spherical Roller Bearings—whether standard or tapered bore—provide unmatched performance in the most challenging applications. By combining **robust construction, adaptability, and ease of maintenance**, NTN ensures optimal machinery uptime and efficiency for customers worldwide.

For industries demanding **durability, flexibility, and high load-bearing performance**, NTN’s Spherical Roller Bearings remain a trusted solution. Explore NTN’s full range to find the ideal bearing configuration for your specific operational needs.

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Part Number d D B r Mass
22226EMKW33
130.000 mm
230.000 mm
64.000 mm
3.000 mm
10.900 kg
22220EAKW33C3
100.000 mm
180.000 mm
46.000 mm
2.100 mm
4.800 kg
22226EMKW33C3
130.000 mm
230.000 mm
64.000 mm
3.000 mm
10.900 kg
22220EAKW33C4
100.000 mm
180.000 mm
46.000 mm
2.100 mm
4.800 kg
22220EMKW33
100.000 mm
180.000 mm
46.000 mm
2.100 mm
4.930 kg
22220EMKW33C3
100.000 mm
180.000 mm
46.000 mm
2.100 mm
4.930 kg
22222EAKW33
110.000 mm
200.000 mm
53.000 mm
2.100 mm
6.950 kg
22222EAKW33C3
110.000 mm
200.000 mm
53.000 mm
2.100 mm
6.950 kg
22222EMKW33
110.000 mm
200.000 mm
53.000 mm
2.100 mm
7.150 kg
22222EMKW33C3
110.000 mm
200.000 mm
53.000 mm
2.100 mm
7.150 kg
22224EAKW33
120.000 mm
215.000 mm
58.000 mm
2.100 mm
8.680 kg
22224EAKW33C3
120.000 mm
215.000 mm
58.000 mm
2.100 mm
8.680 kg
22224EAKW33C4
120.000 mm
215.000 mm
58.000 mm
2.100 mm
8.680 kg
22224EMKW33
120.000 mm
215.000 mm
58.000 mm
2.100 mm
8.820 kg
22224EMKW33C3
120.000 mm
215.000 mm
58.000 mm
2.100 mm
8.820 kg
22219EMKW33
95.000 mm
170.000 mm
43.000 mm
2.100 mm
3.980 kg
22226EAKW33
130.000 mm
230.000 mm
64.000 mm
3.000 mm
10.700 kg
22219EMKW33C3
95.000 mm
170.000 mm
43.000 mm
2.100 mm
3.980 kg
22226EAKW33C3
130.000 mm
230.000 mm
64.000 mm
3.000 mm
10.700 kg
22216EMKW33C3
80.000 mm
140.000 mm
33.000 mm
2.000 mm
2.160 kg