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
K15X19X10S
15.000 mm
19.000 mm
10.000 mm
0.005 kg
K15X19X13
15.000 mm
19.000 mm
13.000 mm
0.007 kg
K15X19X13S
15.000 mm
19.000 mm
13.000 mm
0.007 kg
K120X127X24
120.000 mm
127.000 mm
24.000 mm
0.160 kg
K120X127X34
120.000 mm
127.000 mm
34.000 mm
0.235 kg
K125X133X35
125.000 mm
133.000 mm
35.000 mm
0.275 kg
K125X135X34
125.000 mm
135.000 mm
34.000 mm
0.350 kg
K12X15X10S
12.000 mm
15.000 mm
10.000 mm
0.003 kg
K12X15X13
12.000 mm
15.000 mm
13.000 mm
0.004 kg
K12X15X20ZW
12.000 mm
15.000 mm
20.000 mm
0.006 kg
K12X15X9
12.000 mm
15.000 mm
9.000 mm
0.003 kg
K12X16X13
12.000 mm
16.000 mm
13.000 mm
0.006 kg
K12X16X19.8X4
12.000 mm
16.000 mm
20.000 mm
0.010 kg
K12X16X8
12.000 mm
16.000 mm
8.000 mm
0.003 kg
K12X17X13
12.000 mm
17.000 mm
13.000 mm
0.008 kg
K12X18X12
12.000 mm
18.000 mm
12.000 mm
0.008 kg
K130X137X24
130.000 mm
137.000 mm
24.000 mm
0.170 kg
K130X137X34
130.000 mm
137.000 mm
34.000 mm
0.240 kg
K135X143X35
135.000 mm
143.000 mm
35.000 mm
0.300 kg
K135X143X35L1
135.000 mm
143.000 mm
35.000 mm
0.313 kg
K135X150X38
135.000 mm
150.000 mm
38.000 mm
0.590 kg
K145X153X26
145.000 mm
153.000 mm
26.000 mm
0.250 kg
K145X153X28
145.000 mm
153.000 mm
28.000 mm
0.252 kg
HWT49X73X27.4
49.000 mm
73.000 mm
27.400 mm