**NTN Needle Roller Bearings: High-Performance Roller Followers & Track Rollers for Demanding Applications**
NTN Corporation, a global leader in bearing technology, offers a robust range of **Needle Roller Bearings**, including specialized **Roller Followers, Yoke-Type Track Rollers, and Track Roller Bearings with Inner Rings**. These precision-engineered components are designed to deliver exceptional load capacity, durability, and smooth operation in high-stress applications across industrial machinery, automotive systems, and precision equipment.
### **Technical Features & Design Advantages**
NTN’s **Needle Roller Bearings for Roller Followers and Track Rollers** incorporate advanced design elements to optimize performance in challenging environments:
– **High Load Capacity:** Utilizing needle rollers with a compact cross-section, these bearings provide superior radial load support while minimizing space requirements. The optimized roller profile reduces edge stress, enhancing longevity.
– **Robust Inner Ring Design:** Track roller bearings with an inner ring ensure precise alignment and improved load distribution, reducing wear in high-cyclic applications.
– **Sealed & Lubricated Options:** Many models feature integrated seals and pre-lubrication with high-performance grease, reducing maintenance needs and preventing contamination in harsh conditions.
– **Heat-Treated & Hardened Components:** Critical surfaces undergo advanced heat treatment processes (e.g., carburizing or induction hardening) to resist wear, fatigue, and impact loads.
– **Corrosion-Resistant Coatings:** Select variants include anti-corrosion treatments, making them suitable for automotive underbody components or industrial environments exposed to moisture and chemicals.
### **Performance Benefits**
NTN’s roller followers and track rollers excel in applications requiring:
– **Smooth, Low-Friction Motion:** Precision-ground rollers and raceways minimize rotational resistance, critical for cam followers, conveyor systems, and automated machinery.
– **High Rigidity & Shock Resistance:** Ideal for heavy-load scenarios such as construction equipment, robotic arms, or stamping presses.
– **Extended Service Life:** Reduced friction and optimized internal geometry prevent premature failure, lowering total cost of ownership.
### **Typical Applications**
These bearings are widely used in industries where reliability under dynamic loads is paramount:
– **Automotive Systems:** Camshaft followers, transmission guides, and suspension pivot points.
– **Industrial Machinery:** Packaging equipment, printing presses, and linear motion systems.
– **Precision Equipment:** Robotics, medical devices, and aerospace actuators requiring smooth, repeatable motion.
By combining **NTN’s engineering expertise** with high-quality materials and stringent manufacturing standards, these needle roller bearings ensure optimal performance in the most demanding mechanical systems. Whether for high-speed automation or heavy-duty industrial applications, NTN’s roller followers and track rollers provide a dependable solution for enhanced efficiency and durability.
Part Number | d | D(0/-0.050) | C | B | r | Mass |
---|---|---|---|---|---|---|
40.000 mm |
80.000 mm |
36.000 mm |
38.000 mm |
0.600 mm |
0.953 kg |
|
40.000 mm |
80.000 mm |
36.000 mm |
38.000 mm |
0.600 mm |
0.953 kg |
|
45.000 mm |
85.000 mm |
36.000 mm |
38.000 mm |
0.600 mm |
1.030 kg |
|
50.000 mm |
110.000 mm |
30.000 mm |
32.000 mm |
0.600 mm |
1.690 kg |
|
45.000 mm |
85.000 mm |
36.000 mm |
38.000 mm |
0.600 mm |
1.030 kg |
|
15.000 mm |
35.000 mm |
21.000 mm |
22.000 mm |
0.300 mm |
0.115 kg |
|
50.000 mm |
90.000 mm |
36.000 mm |
38.000 mm |
0.600 mm |
1.110 kg |
|
15.000 mm |
35.000 mm |
21.000 mm |
22.000 mm |
0.300 mm |
0.115 kg |
|
50.000 mm |
90.000 mm |
36.000 mm |
38.000 mm |
0.600 mm |
1.110 kg |
|
17.000 mm |
40.000 mm |
23.000 mm |
24.000 mm |
0.300 mm |
0.167 kg |
|
17.000 mm |
40.000 mm |
23.000 mm |
24.000 mm |
0.300 mm |
0.167 kg |
|
20.000 mm |
47.000 mm |
28.000 mm |
29.000 mm |
0.300 mm |
0.280 kg |
|
20.000 mm |
47.000 mm |
28.000 mm |
29.000 mm |
0.300 mm |
0.280 kg |
|
25.000 mm |
52.000 mm |
28.000 mm |
29.000 mm |
0.300 mm |
0.322 kg |
|
25.000 mm |
52.000 mm |
28.000 mm |
29.000 mm |
0.300 mm |
0.322 kg |
|
30.000 mm |
62.000 mm |
34.000 mm |
35.000 mm |
0.300 mm |
0.549 kg |
|
30.000 mm |
62.000 mm |
34.000 mm |
35.000 mm |
0.300 mm |
0.549 kg |
|
35.000 mm |
72.000 mm |
34.000 mm |
35.000 mm |
0.600 mm |
0.747 kg |
|
35.000 mm |
72.000 mm |
34.000 mm |
35.000 mm |
0.600 mm |
0.747 kg |
|
40.000 mm |
80.000 mm |
30.000 mm |
32.000 mm |
0.600 mm |
0.817 kg |