Complex Bearing w/ Inner Ring

**NTN Needle Roller Bearings: Precision, Durability, and Compact Performance for Demanding Applications**

NTN is a globally recognized leader in bearing technology, and its **Needle Roller Bearings (Complex Bearings with Inner Ring)** exemplify the company’s commitment to precision engineering, durability, and space-saving design. These specialized bearings are engineered to deliver exceptional load capacity, reduced friction, and long service life in compact assemblies—making them indispensable for high-performance automotive systems, industrial machinery, and precision equipment where space constraints and reliability are critical.

### **Technical Features & Design Advantages**
NTN’s **Needle Roller Bearings (Complex Bearings with Inner Ring)** integrate a hardened inner ring with precision-ground needle rollers and a robust outer ring or housing, ensuring optimal load distribution and smooth rotational performance. Key features include:

– **High Load Capacity:** The needle rollers provide a large contact area, enabling superior radial load handling compared to conventional ball bearings—ideal for applications with heavy dynamic or shock loads.
– **Compact & Lightweight Design:** By eliminating the need for a separate inner ring in some configurations, these bearings minimize space requirements while maintaining strength, making them perfect for tight installations in transmissions, engines, and gearboxes.
– **Low Friction & High-Speed Capability:** Precision-ground rollers and optimized surface finishes reduce friction and heat generation, supporting high rotational speeds with minimal energy loss.
– **Enhanced Durability:** Advanced heat treatment processes and high-quality steel extend bearing life, even in harsh environments with contaminants or misalignment challenges.
– **Versatile Sealing Options:** NTN offers shielded or sealed variants to protect against debris and retain lubrication, ensuring consistent performance in dirty or high-temperature conditions.

### **Performance Benefits for Critical Applications**
NTN’s needle roller bearings excel in applications where reliability, compactness, and load-bearing efficiency are paramount:

– **Automotive Systems:** Widely used in transmissions, differentials, clutch release mechanisms, and engine components (e.g., rocker arm pivots), these bearings reduce weight and improve fuel efficiency without sacrificing durability.
– **Industrial Machinery:** Ideal for construction equipment, agricultural machinery, and hydraulic pumps, where shock resistance and space optimization are crucial.
– **Precision Equipment:** Employed in robotics, printing presses, and medical devices, where smooth motion control and minimal maintenance are required.

### **Why Choose NTN?**
With decades of expertise in bearing innovation, NTN ensures rigorous quality control, advanced material science, and custom engineering solutions tailored to specific operational demands. Whether for OEM automotive designs or heavy-duty industrial applications, NTN’s **Needle Roller Bearings (Complex Bearings with Inner Ring)** provide unmatched performance, longevity, and efficiency—driving productivity across industries.

For engineers and designers seeking a reliable, high-capacity bearing solution in constrained spaces, NTN’s needle roller technology delivers the perfect balance of strength, precision, and compact design.

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Part Number d dw D D1 F Mass
AXN2052
20.000 mm
20.000 mm
52.000 mm
42.000 mm
25.000 mm
AXN2557
25.000 mm
25.000 mm
57.000 mm
47.000 mm
30.000 mm
AXN3062
30.000 mm
30.000 mm
62.000 mm
52.000 mm
35.000 mm
AXN3062P4
30.000 mm
30.000 mm
62.000 mm
52.000 mm
35.000 mm
AXN3570
35.000 mm
35.000 mm
70.000 mm
60.000 mm
40.000 mm
AXN4075
40.000 mm
40.000 mm
75.000 mm
65.000 mm
45.000 mm
AXN4580
45.000 mm
45.000 mm
80.000 mm
70.000 mm
50.000 mm
AXN5090
50.000 mm
50.000 mm
90.000 mm
78.000 mm
55.000 mm
NKX10T2+1R7X10X16
7.000 mm
10.000 mm
19.000 mm
24.000 mm
10.000 mm
0.042 kg
NKX10T2Z+1R7X10X16
7.000 mm
10.000 mm
19.000 mm
25.000 mm
10.000 mm
0.044 kg
ARN5090
50.000 mm
50.000 mm
90.000 mm
78.000 mm
55.000 mm
1.480 kg
NKX12T2+1R9X12X16
9.000 mm
12.000 mm
21.000 mm
26.000 mm
12.000 mm
0.048 kg
ARN5090L1P5
50.000 mm
50.000 mm
90.000 mm
78.000 mm
55.000 mm
1.480 kg
NKX12T2Z+1R9X12X16
9.000 mm
12.000 mm
21.000 mm
27.000 mm
12.000 mm
0.050 kg
ARN55115
55.000 mm
55.000 mm
115.000 mm
100.000 mm
65.000 mm
3.610 kg
NKX15T2+1R12X15X16
12.000 mm
15.000 mm
24.000 mm
28.000 mm
15.000 mm
0.052 kg
ARN60120
60.000 mm
60.000 mm
120.000 mm
105.000 mm
70.000 mm
3.810 kg
NKX15T2Z+1R12X15X16
12.000 mm
15.000 mm
24.000 mm
29.000 mm
15.000 mm
0.056 kg
ARN3570
35.000 mm
35.000 mm
70.000 mm
60.000 mm
40.000 mm
0.850 kg
ARN3570P5
35.000 mm
35.000 mm
70.000 mm
60.000 mm
40.000 mm
0.850 kg