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
22348BKW33C3
240.000 mm
500.000 mm
155.000 mm
5.000 mm
145.000 kg
22352BKW33C3
260.000 mm
540.000 mm
165.000 mm
6.000 mm
179.000 kg
22356BL1K
280.000 mm
580.000 mm
175.000 mm
6.000 mm
224.000 kg
22356BL1KW33
280.000 mm
580.000 mm
175.000 mm
6.000 mm
220.000 kg
230/600BKW33C3
600.000 mm
870.000 mm
200.000 mm
6.000 mm
386.000 kg
230/710BL1KW33C3
710.000 mm
1030.000 mm
236.000 mm
7.500 mm
640.000 kg
23022EAKW33
110.000 mm
170.000 mm
45.000 mm
2.000 mm
3.550 kg
22322EAKW33
110.000 mm
240.000 mm
80.000 mm
3.000 mm
16.600 kg
22322EAKW33C3
110.000 mm
240.000 mm
80.000 mm
3.000 mm
16.600 kg
22322EMKW33
110.000 mm
240.000 mm
80.000 mm
3.000 mm
17.100 kg
22322EMKW33C3
110.000 mm
240.000 mm
80.000 mm
3.000 mm
17.100 kg
22322EMKW33C4
110.000 mm
240.000 mm
80.000 mm
3.000 mm
17.100 kg
22324EAKW33
120.000 mm
260.000 mm
86.000 mm
3.000 mm
21.900 kg
22324EAKW33C3
120.000 mm
260.000 mm
86.000 mm
3.000 mm
21.900 kg
22324EMKW33
120.000 mm
260.000 mm
86.000 mm
3.000 mm
22.200 kg
22324EMKW33C3
120.000 mm
260.000 mm
86.000 mm
3.000 mm
22.200 kg
22326EAKW33
130.000 mm
280.000 mm
93.000 mm
4.000 mm
26.800 kg
22326EAKW33C3
130.000 mm
280.000 mm
93.000 mm
4.000 mm
26.800 kg
22326EMKW33
130.000 mm
280.000 mm
93.000 mm
4.000 mm
27.200 kg
22326EMKW33C3
130.000 mm
280.000 mm
93.000 mm
4.000 mm
27.200 kg
22328EAKW33
140.000 mm
300.000 mm
102.000 mm
4.000 mm
33.700 kg
22328EAKW33C3
140.000 mm
300.000 mm
102.000 mm
4.000 mm
33.700 kg
22328EMKW33
140.000 mm
300.000 mm
102.000 mm
4.000 mm
34.700 kg
22328EMKW33C3
140.000 mm
300.000 mm
102.000 mm
4.000 mm
34.700 kg