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.

MORE +
CLOSE +
Part Number d D B r Mass
23218EAKW33C3
90.000 mm
160.000 mm
52.400 mm
2.000 mm
4.380 kg
23218EMKW33
90.000 mm
160.000 mm
52.400 mm
2.000 mm
4.310 kg
23218EMKW33C3
90.000 mm
160.000 mm
52.400 mm
2.000 mm
4.310 kg
23220EAKW33
100.000 mm
180.000 mm
60.300 mm
2.100 mm
6.380 kg
23220EAKW33C3
100.000 mm
180.000 mm
60.300 mm
2.100 mm
6.380 kg
23220EMKW33
100.000 mm
180.000 mm
60.300 mm
2.100 mm
6.330 kg
23220EMKW33C3
100.000 mm
180.000 mm
60.300 mm
2.100 mm
6.330 kg
23222EAKW33
110.000 mm
200.000 mm
69.800 mm
2.100 mm
9.250 kg
23222EAKW33C3
110.000 mm
200.000 mm
69.800 mm
2.100 mm
9.250 kg
23222EMKW33
110.000 mm
200.000 mm
69.800 mm
2.100 mm
9.140 kg
23222EMKW33C3
110.000 mm
200.000 mm
69.800 mm
2.100 mm
9.140 kg
23224EAKW33
120.000 mm
215.000 mm
76.000 mm
2.100 mm
11.620 kg
23224EAKW33C3
120.000 mm
215.000 mm
76.000 mm
2.100 mm
11.620 kg
23224EMKW33
120.000 mm
215.000 mm
76.000 mm
2.100 mm
11.300 kg
23224EMKW33C3
120.000 mm
215.000 mm
76.000 mm
2.100 mm
11.300 kg
23226EMKW33
130.000 mm
230.000 mm
80.000 mm
3.000 mm
13.700 kg
23226EMKW33C3
130.000 mm
230.000 mm
80.000 mm
3.000 mm
13.700 kg
23228EMKW33
140.000 mm
250.000 mm
88.000 mm
3.000 mm
17.700 kg
23228EMKW33C3
140.000 mm
250.000 mm
88.000 mm
3.000 mm
17.700 kg
23156BKW33
280.000 mm
460.000 mm
146.000 mm
5.000 mm
94.000 kg
23156BL1KW33C3
280.000 mm
460.000 mm
146.000 mm
5.000 mm
94.500 kg
23156BL1KW-5W33C2PX51
280.000 mm
460.000 mm
146.000 mm
5.000 mm
94.600 kg
23160BKW33C3
300.000 mm
500.000 mm
160.000 mm
5.000 mm
127.000 kg
23160VMKW33C3
300.000 mm
500.000 mm
160.000 mm
5.000 mm