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
23124EAKW33C3
120.000 mm
200.000 mm
62.000 mm
2.000 mm
7.490 kg
23124EMKW33
120.000 mm
200.000 mm
62.000 mm
2.000 mm
7.540 kg
23124EMKW33C3
120.000 mm
200.000 mm
62.000 mm
2.000 mm
7.540 kg
23052EMKW33C4
260.000 mm
400.000 mm
104.000 mm
4.000 mm
46.300 kg
23056EMKW33
280.000 mm
420.000 mm
106.000 mm
4.000 mm
49.700 kg
23056EMKW33C3
280.000 mm
420.000 mm
106.000 mm
4.000 mm
49.700 kg
23056EMKW33C3V1
280.000 mm
420.000 mm
106.000 mm
4.000 mm
49.900 kg
23056EMKW33C4
280.000 mm
420.000 mm
106.000 mm
4.000 mm
49.700 kg
23060BKW33C3
300.000 mm
460.000 mm
118.000 mm
4.000 mm
76.000 kg
23060BL1KW33C3
300.000 mm
460.000 mm
118.000 mm
4.000 mm
70.200 kg
23064BKW33C3
320.000 mm
480.000 mm
121.000 mm
4.000 mm
75.500 kg
23064BKW33PX50V10
320.000 mm
480.000 mm
121.000 mm
4.000 mm
75.500 kg
23064BL1KW33
320.000 mm
480.000 mm
121.000 mm
4.000 mm
75.800 kg
23064BL1KW33C3
320.000 mm
480.000 mm
121.000 mm
4.000 mm
75.800 kg
23068BKW33
340.000 mm
520.000 mm
133.000 mm
5.000 mm
100.000 kg
23068BKW33C3
340.000 mm
520.000 mm
133.000 mm
5.000 mm
99.685 kg
23068BL1KW33
340.000 mm
520.000 mm
133.000 mm
5.000 mm
99.685 kg
23068BL1KW33C3
340.000 mm
520.000 mm
133.000 mm
5.000 mm
101.000 kg
23072BL1KW33C3
360.000 mm
540.000 mm
134.000 mm
5.000 mm
105.298 kg
23076BKC3
380.000 mm
560.000 mm
135.000 mm
5.000 mm
123.000 kg
23076BL1KW33C3
380.000 mm
560.000 mm
135.000 mm
5.000 mm
123.000 kg
23080BKW33C3
400.000 mm
600.000 mm
148.000 mm
5.000 mm
144.000 kg
23080BL1KW33
400.000 mm
600.000 mm
148.000 mm
5.000 mm
144.000 kg
23036EMKW33C4
180.000 mm
280.000 mm
74.000 mm
2.100 mm
16.400 kg