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.

MORE +
CLOSE +
Part Number Fw Ew Bc Mass
K20X24X13S
20.000 mm
24.000 mm
13.000 mm
0.009 kg
K20X24X17S
20.000 mm
24.000 mm
17.000 mm
0.011 kg
K20X24X17SV1
20.000 mm
24.000 mm
17.000 mm
0.013 kg
K20X24X45ZW
20.000 mm
24.000 mm
45.000 mm
0.028 kg
K20X25X40ZW
20.000 mm
25.000 mm
40.000 mm
0.033 kg
K20X26X12
20.000 mm
26.000 mm
12.000 mm
0.013 kg
K20X28X25
20.000 mm
28.000 mm
25.000 mm
0.037 kg
K210X220X42
210.000 mm
220.000 mm
42.000 mm
0.740 kg
K21X25X13
21.000 mm
25.000 mm
13.000 mm
0.009 kg
K220X230X42
220.000 mm
230.000 mm
42.000 mm
0.790 kg
K22X26X10S
22.000 mm
26.000 mm
10.000 mm
0.007 kg
K22X26X11S
22.000 mm
26.000 mm
11.000 mm
0.008 kg
K22X26X13
22.000 mm
26.000 mm
13.000 mm
0.009 kg
K22X26X17S
22.000 mm
26.000 mm
17.000 mm
0.012 kg
K22X27X20
22.000 mm
27.000 mm
20.000 mm
0.020 kg
K175X183X32L1
175.000 mm
183.000 mm
32.000 mm
0.379 kg
K17X21X10S
17.000 mm
21.000 mm
10.000 mm
0.006 kg
K17X21X13S
17.000 mm
21.000 mm
13.000 mm
0.008 kg
K17X21X15
17.000 mm
21.000 mm
15.000 mm
0.009 kg
K17X21X17
17.000 mm
21.000 mm
17.000 mm
0.010 kg
K17X22X20
17.000 mm
22.000 mm
20.000 mm
0.015 kg
K17X23X17
17.000 mm
23.000 mm
17.000 mm
0.016 kg
K17X23X22.8X1
17.000 mm
23.000 mm
23.000 mm
0.013 kg
K185X195X37
185.000 mm
195.000 mm
37.000 mm
0.560 kg