**NTN Needle Roller Bearings & Needle Roller and Cage Assemblies: Precision Performance for Demanding Applications**
NTN is a global leader in bearing technology, renowned for its high-performance needle roller bearings and needle roller and cage assemblies. These precision-engineered components are designed to deliver exceptional load capacity, durability, and efficiency in compact spaces, making them indispensable in industrial machinery, automotive systems, and precision equipment.
### **Technical Features & Design Advantages**
NTN’s needle roller bearings and cage assemblies are optimized for applications requiring high radial load support with minimal radial cross-section. Key features include:
– **High Load Capacity:** Despite their compact design, needle rollers provide a large load-bearing surface, enabling superior radial load handling compared to conventional ball bearings.
– **Space-Saving Design:** The slim profile reduces overall assembly size, making them ideal for applications with strict space constraints.
– **Precision Cage Guidance:** High-quality cages (typically steel or polymer) ensure smooth roller movement, reducing friction and wear while maintaining proper alignment.
– **Versatile Configurations:** Available in various designs, including drawn cup, solid, and open types, with options for sealed or open variants to suit different lubrication and contamination conditions.
– **Enhanced Durability:** Advanced heat treatment and surface finishing processes extend service life, even under high-speed or heavy-load conditions.
### **Performance Advantages**
NTN’s needle roller solutions excel in demanding environments due to:
– **Reduced Friction & Heat Generation:** Optimized roller geometry and cage design minimize energy loss, improving efficiency and reducing operating temperatures.
– **High-Speed Capability:** Precision balancing and low-mass rollers allow stable performance at elevated speeds.
– **Reliability in Harsh Conditions:** Resistant to shock loads, misalignment, and contamination, ensuring consistent operation in industrial and automotive settings.
### **Typical Applications**
These bearings are widely used in:
– **Automotive Systems:** Transmission components (gearboxes, differentials), engine accessories (rocker arms, cam followers), and steering mechanisms.
– **Industrial Machinery:** Printing presses, textile equipment, agricultural machinery, and construction gear where compact, high-load solutions are critical.
– **Precision Equipment:** Robotics, medical devices, and aerospace actuators requiring lightweight, high-rigidity bearing solutions.
By combining advanced engineering with rigorous quality control, NTN’s needle roller bearings and cage assemblies provide unmatched performance, reliability, and longevity—ensuring optimal functionality in the most challenging applications. Whether enhancing automotive efficiency or supporting heavy industrial loads, NTN delivers precision you can trust.
| Part Number | Fw | Ew | Bc | Mass |
|---|---|---|---|---|
64.000 mm |
70.000 mm |
16.000 mm |
0.053 kg |
|
60.000 mm |
65.000 mm |
20.000 mm |
0.051 kg |
|
65.000 mm |
70.000 mm |
20.000 mm |
0.055 kg |
|
52.000 mm |
58.000 mm |
19.000 mm |
0.048 kg |
|
55.000 mm |
60.000 mm |
17.000 mm |
0.043 kg |
|
55.000 mm |
60.000 mm |
20.000 mm |
0.045 kg |
|
55.000 mm |
60.000 mm |
37.000 mm |
0.086 kg |
|
55.000 mm |
61.000 mm |
19.000 mm |
0.051 kg |
|
55.000 mm |
61.000 mm |
20.000 mm |
0.054 kg |
|
55.000 mm |
61.000 mm |
30.000 mm |
0.081 kg |
|
55.000 mm |
62.000 mm |
18.000 mm |
0.054 kg |
|
55.000 mm |
63.000 mm |
20.000 mm |
0.073 kg |
|
50.000 mm |
55.000 mm |
13.500 mm |
0.023 kg |
|
55.000 mm |
63.000 mm |
25.000 mm |
0.088 kg |
|
50.000 mm |
55.000 mm |
20.000 mm |
0.042 kg |
|
55.000 mm |
63.000 mm |
32.000 mm |
0.117 kg |
|
50.000 mm |
55.000 mm |
27.000 mm |
0.053 kg |
|
56.000 mm |
66.000 mm |
41.000 mm |
0.148 kg |
|
50.000 mm |
55.000 mm |
30.000 mm |
0.059 kg |
|
58.000 mm |
64.000 mm |
19.000 mm |
0.052 kg |
|
50.000 mm |
57.000 mm |
18.000 mm |
0.053 kg |
|
50.000 mm |
58.000 mm |
20.000 mm |
0.065 kg |
|
50.000 mm |
58.000 mm |
25.000 mm |
0.081 kg |
|
47.000 mm |
52.000 mm |
24.000 mm |
0.044 kg |