**NTN Cylindrical Roller Bearings: Precision, Durability, and High-Performance Solutions**
NTN cylindrical roller bearings are engineered to deliver exceptional load capacity, precision, and reliability in demanding industrial and automotive applications. Designed with a robust construction and advanced materials, these bearings excel in handling high radial loads while maintaining smooth rotational performance. Their optimized geometry and superior manufacturing tolerances make them ideal for applications where precision, durability, and efficiency are critical.
### **Technical Features & Design Advantages**
NTN cylindrical roller bearings feature a unique design with cylindrical rollers arranged in parallel between inner and outer rings. This configuration ensures optimal load distribution, minimizing stress concentrations and extending service life. Key technical features include:
– **High Radial Load Capacity**: The line contact between rollers and raceways allows these bearings to support heavy radial loads, making them suitable for heavy machinery and high-stress environments.
– **Low Friction & High-Speed Performance**: Precision-ground rollers and raceways reduce friction, enabling efficient operation at elevated speeds while minimizing heat generation.
– **Robust Cage Designs**: NTN offers various cage options (steel, brass, or polymer) to enhance performance under different operating conditions, including high temperatures and aggressive lubrication environments.
– **Interchangeable & Separable Designs**: Many NTN cylindrical roller bearings feature separable rings, simplifying installation, maintenance, and inspection without requiring full disassembly of adjacent components.
– **Enhanced Lubrication Retention**: Advanced sealing options and lubrication grooves ensure consistent performance in contaminated or harsh environments.
### **Performance Advantages**
NTN cylindrical roller bearings are designed for longevity and reliability, even in extreme conditions. Their benefits include:
– **Extended Service Life**: High-quality steel and heat treatment processes enhance wear resistance and fatigue strength.
– **Reduced Maintenance Needs**: Optimized internal clearances and sealing technologies minimize contamination ingress, lowering downtime.
– **Versatility in Applications**: Available in single-row, double-row, and multi-row configurations to meet varying load and space requirements.
### **Typical Applications**
These bearings are widely used across industries where precision and load-bearing performance are essential:
– **Industrial Machinery**: Gearboxes, pumps, compressors, and machine tool spindles benefit from their high rigidity and accuracy.
– **Automotive Systems**: Used in transmissions, wheel hubs, and differential systems, where durability under dynamic loads is crucial.
– **Precision Equipment**: Printing machines, robotics, and aerospace components rely on their smooth motion and low vibration.
NTN cylindrical roller bearings represent a blend of innovation and engineering excellence, ensuring optimal performance in the most challenging environments. Whether in heavy industrial equipment or high-speed automotive systems, NTN’s solutions provide unmatched reliability and efficiency.
Part Number | Bore Size | Outside Diameter | Total Width | Fillet Radius/Chamfer | Static Load Rating | Dynamic Load Rating | Mass |
---|---|---|---|---|---|---|---|
34.991 mm |
72.761 mm |
20.650 mm |
N/A |
69800 N |
16400 N |
0.399 kg |
|
34.911 mm |
72.000 mm |
20.650 mm |
3.302 mm |
69800 N |
16400 N |
0.390 kg |
|
85.052 mm |
147.350 mm |
65.532 mm |
N/A |
N/A |
N/A |
||
101.620 mm |
190.167 mm |
76.583 mm |
N/A |
N/A |
N/A |
||
101.620 mm |
190.167 mm |
76.583 mm |
N/A |
N/A |
N/A |
||
27.762 mm |
68.000 mm |
19.000 mm |
N/A |
77000 N |
70000 N |
0.371 kg |
|
44.450 mm |
85.001 mm |
28.575 mm |
3.175 mm |
87000 N |
72000 N |
0.626 kg |
|
40.000 mm |
90.000 mm |
25.000 mm |
N/A |
120000 N |
113000 N |
0.755 kg |
|
30.000 mm |
71.999 mm |
20.650 mm |
4.013 mm |
69800 N |
16400 N |
0.435 kg |
|
41.270 mm |
80.000 mm |
37.414 mm |
N/A |
N/A |
N/A |
0.570 kg |
|
49.500 mm |
80.000 mm |
18.000 mm |
1.100 mm |
55500 N |
55500 N |
||
83.500 mm |
140.000 mm |
33.000 mm |
2.100 mm |
139000 N |
135000 N |
||
29.987 mm |
61.968 mm |
16.000 mm |
N/A |
39100 N |
10300 N |
0.213 kg |
|
20.597 mm |
41.999 mm |
13.000 mm |
N/A |
17400 N |
20900 N |
||
28.174 mm |
47.000 mm |
16.662 mm |
N/A |
33500 N |
32000 N |
0.099 kg |
|
32.103 mm |
52.000 mm |
19.431 mm |
N/A |
51000 N |
45500 N |
0.142 kg |
|
35.000 mm |
80.000 mm |
39.688 mm |
N/A |
N/A |
N/A |
0.630 kg |
|
30.000 mm |
72.000 mm |
36.513 mm |
N/A |
N/A |
N/A |
0.467 kg |
|
30.000 mm |
70.000 mm |
30.163 mm |
N/A |
N/A |
N/A |
0.630 kg |
|
34.989 mm |
80.025 mm |
34.925 mm |
N/A |
N/A |
N/A |
0.874 kg |