Needle Roller and Cage Assemblies

**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.

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Part Number Fw Ew Bc Mass
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76.200 mm
85.725 mm
38.100 mm
0.201 kg
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24.000 mm
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0.011 kg
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98.425 mm
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101.600 mm
25.400 mm
0.187 kg
PCJ566424
88.900 mm
101.600 mm
38.100 mm
0.305 kg
PCJ647216
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114.300 mm
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0.212 kg
PCJ647224
101.600 mm
114.300 mm
38.100 mm
0.345 kg
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50.800 mm
60.325 mm
38.100 mm
0.144 kg
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52.388 mm
61.913 mm
25.400 mm
0.087 kg
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53.975 mm
63.500 mm
25.400 mm
0.091 kg
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28.575 mm
38.100 mm
31.750 mm
0.073 kg
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53.975 mm
63.500 mm
38.100 mm
0.144 kg
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31.750 mm
41.275 mm
19.050 mm
0.045 kg
PCJ364216
57.150 mm
66.675 mm
25.400 mm
0.094 kg
PCJ202616
31.750 mm
41.275 mm
25.400 mm
0.062 kg
PCJ384424
60.325 mm
69.850 mm
38.100 mm
0.161 kg
PCJ202624
31.750 mm
41.275 mm
38.100 mm
0.096 kg
PCJ404616
63.500 mm
73.025 mm
25.400 mm
0.105 kg
PCJ222820
34.925 mm
44.450 mm
31.750 mm
0.090 kg
PCJ243016
38.100 mm
47.625 mm
25.400 mm
0.075 kg