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
24128EMK30W33
140.000 mm
225.000 mm
85.000 mm
2.100 mm
12.800 kg
24128EMK30W33C3
140.000 mm
225.000 mm
85.000 mm
2.100 mm
12.800 kg
24130EMK30W33
150.000 mm
250.000 mm
100.000 mm
2.100 mm
15.300 kg
24130EMK30W33C3
150.000 mm
250.000 mm
100.000 mm
2.100 mm
15.300 kg
24132EAK30W33C3
160.000 mm
270.000 mm
109.000 mm
2.100 mm
24.290 kg
24132EMK30W33
160.000 mm
270.000 mm
109.000 mm
2.100 mm
25.100 kg
24132EMK30W33C3
160.000 mm
270.000 mm
109.000 mm
2.100 mm
25.100 kg
24134BK30W33C3
170.000 mm
280.000 mm
109.000 mm
2.100 mm
26.800 kg
24134EAK30W33C3
170.000 mm
280.000 mm
109.000 mm
2.100 mm
25.570 kg
24134EMK30W33
170.000 mm
280.000 mm
109.000 mm
2.100 mm
26.300 kg
24134EMK30W33C3
170.000 mm
280.000 mm
109.000 mm
2.100 mm
26.300 kg
24136EMK30W33
180.000 mm
300.000 mm
118.000 mm
3.000 mm
33.000 kg
24136EMK30W33C3
180.000 mm
300.000 mm
118.000 mm
3.000 mm
33.000 kg
24138EAK30W33C3
190.000 mm
320.000 mm
128.000 mm
3.000 mm
40.120 kg
24138EMK30W33
190.000 mm
320.000 mm
128.000 mm
3.000 mm
41.500 kg
24032EMK30W33
160.000 mm
240.000 mm
80.000 mm
2.100 mm
12.400 kg
24032EMK30W33C3
160.000 mm
240.000 mm
80.000 mm
2.100 mm
12.400 kg
24036EAK30W33
180.000 mm
280.000 mm
100.000 mm
2.100 mm
21.740 kg
24036EMK30W33
180.000 mm
280.000 mm
100.000 mm
2.100 mm
22.400 kg
24036EMK30W33C3
180.000 mm
280.000 mm
100.000 mm
2.100 mm
22.400 kg
24038EMK30W33
190.000 mm
290.000 mm
100.000 mm
2.100 mm
23.400 kg
24038EMK30W33C3
190.000 mm
290.000 mm
100.000 mm
2.100 mm
23.400 kg
24040EMK30W33
200.000 mm
310.000 mm
109.000 mm
2.100 mm
29.700 kg
24040EMK30W33C3
200.000 mm
310.000 mm
109.000 mm
2.100 mm
29.700 kg