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
6E-24040EMK30W33C3
200.000 mm
310.000 mm
109.000 mm
2.100 mm
29.000 kg
TS3-23976L1KC4PX51
380.000 mm
520.000 mm
106.000 mm
4.000 mm
67.700 kg
TS3-24068BL1K30W33C4
340.000 mm
520.000 mm
180.000 mm
5.000 mm
138.000 kg
TS3-6E-22230BKD1C4
150.000 mm
270.000 mm
73.000 mm
3.000 mm
17.700 kg
24138EMK30W33C3
190.000 mm
320.000 mm
128.000 mm
3.000 mm
41.500 kg
TS3-6E-22230BKW33C4
150.000 mm
270.000 mm
73.000 mm
3.000 mm
17.700 kg
24140EMK30W33
200.000 mm
340.000 mm
140.000 mm
3.000 mm
50.700 kg
TS3-6E-22244BL1KW33C4
220.000 mm
400.000 mm
108.000 mm
4.000 mm
59.410 kg
24140EMK30W33C3
200.000 mm
340.000 mm
140.000 mm
3.000 mm
50.700 kg
TS3-6E-24068BL1K#01
340.000 mm
520.000 mm
180.000 mm
5.000 mm
138.000 kg
24144EMK30W33
220.000 mm
370.000 mm
150.000 mm
4.000 mm
64.300 kg
24144EMK30W33C3
220.000 mm
370.000 mm
150.000 mm
4.000 mm
64.300 kg
24148EMK30W33
240.000 mm
400.000 mm
160.000 mm
4.000 mm
79.800 kg
24148EMK30W33C3
240.000 mm
400.000 mm
160.000 mm
4.000 mm
79.800 kg
24164BL1K30W33
320.000 mm
540.000 mm
218.000 mm
5.000 mm
204.000 kg
24168BK30W33
340.000 mm
580.000 mm
243.000 mm
5.000 mm
265.000 kg
24180BK30W33
400.000 mm
650.000 mm
250.000 mm
6.000 mm
324.000 kg
6E-23052EMKW33C4
260.000 mm
400.000 mm
104.000 mm
4.000 mm
35.000 kg
6E-23056EMKW33C4
280.000 mm
420.000 mm
106.000 mm
4.000 mm
40.000 kg
24124EMK30W33C3
120.000 mm
200.000 mm
80.000 mm
2.000 mm
9.870 kg