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
KBK11X14X13.5X1
11.000 mm
14.000 mm
13.500 mm
0.004 kg
KBK11X15X12.3X5
11.000 mm
15.000 mm
12.300 mm
0.005 kg
KBK11X15X15.8X2
11.000 mm
15.000 mm
15.800 mm
0.007 kg
KBK12X15X16.6V1
12.000 mm
15.000 mm
16.400 mm
0.006 kg
K8X12X13
8.000 mm
12.000 mm
13.000 mm
0.004 kg
KBK12X16X14.8X1
12.000 mm
16.000 mm
14.800 mm
0.006 kg
K90X97X20
90.000 mm
97.000 mm
20.000 mm
0.103 kg
KBK12X16X15.6
12.000 mm
16.000 mm
15.400 mm
0.008 kg
K90X97X30
90.000 mm
97.000 mm
30.000 mm
0.151 kg
KBK12X16X16
12.000 mm
16.000 mm
15.800 mm
0.007 kg
K90X98X26
90.000 mm
98.000 mm
26.000 mm
0.148 kg
KBK12X17X14.8X
12.000 mm
17.000 mm
14.800 mm
0.009 kg
K90X98X27
90.000 mm
98.000 mm
27.000 mm
0.150 kg
K90X98X30
90.000 mm
98.000 mm
30.000 mm
0.172 kg
K95X102X21
95.000 mm
102.000 mm
21.000 mm
0.115 kg
K85X92X30
85.000 mm
92.000 mm
30.000 mm
0.142 kg
K85X93X27
85.000 mm
93.000 mm
27.000 mm
0.145 kg
K85X93X30
85.000 mm
93.000 mm
30.000 mm
0.160 kg
K8X11X10
8.000 mm
11.000 mm
10.000 mm
0.001 kg
K8X11X10T2
8.000 mm
11.000 mm
10.000 mm
0.001 kg
K75X81X30
75.000 mm
81.000 mm
30.000 mm
0.108 kg
K8X11X13
8.000 mm
11.000 mm
13.000 mm
0.003 kg
K75X82X21
75.000 mm
82.000 mm
21.000 mm
0.088 kg
K8X11X8
8.000 mm
11.000 mm
8.000 mm
0.001 kg