**NTN Rolling Bearings & Automotive Components: Precision Engineered for Demanding Applications**
For over a century, NTN has been a global leader in the design and manufacture of high-performance rolling bearings and automotive components, delivering unmatched reliability, durability, and efficiency across industries. Among NTN’s extensive product portfolio, **ball bearings, insert bearings, and specialized farm implement bearings (including hex bore variants)** stand out for their precision engineering, robust construction, and adaptability to harsh operating conditions. These components are critical to the smooth operation of industrial machinery, automotive systems, and agricultural equipment, ensuring reduced friction, extended service life, and optimized performance.
### **Ball Bearings: Precision & Versatility**
NTN’s **ball bearings** are engineered to handle radial and axial loads with minimal friction, making them ideal for high-speed applications. Featuring advanced materials, precision-ground raceways, and optimized internal geometries, these bearings deliver superior rotational accuracy and quiet operation. Common applications include electric motors, gearboxes, pumps, and automotive components such as alternators and wheel hubs. NTN’s proprietary heat treatment processes and advanced sealing technologies further enhance resistance to wear, contamination, and extreme temperatures.
### **Insert Bearings: Easy Installation, Superior Performance**
Designed for convenience and durability, NTN’s **insert bearings** (also known as mounted bearings) combine a deep-groove ball bearing with a robust housing, simplifying installation in conveyor systems, material handling equipment, and agricultural machinery. These bearings feature **relubrication capabilities**, allowing for extended maintenance intervals, and are available with various sealing options to protect against dust, moisture, and debris. Their self-aligning design compensates for shaft misalignment, reducing stress and prolonging component life.
### **Farm Implement Bearings: Built for Harsh Environments**
Agricultural machinery operates under some of the most demanding conditions, requiring bearings that can withstand heavy loads, shock impacts, and exposure to dirt and moisture. NTN’s **farm implement bearings** are specifically engineered for these challenges, featuring **reinforced cages, high-grade steel construction, and advanced sealing systems** to prevent premature failure. The **hex bore** variant offers a secure, non-slip fit on hexagonal shafts, commonly found in tillers, harvesters, and other heavy-duty farm equipment. These bearings ensure smooth operation even in muddy, abrasive, or high-vibration environments.
### **Why Choose NTN Bearings?**
– **Extended Service Life:** Advanced materials and precision manufacturing reduce wear and maintenance costs.
– **High Load Capacity:** Optimized designs handle both radial and axial loads efficiently.
– **Corrosion & Contamination Resistance:** Special seals and coatings protect against harsh environments.
– **Custom Solutions:** NTN offers tailored bearing configurations for unique industrial and automotive applications.
Whether in automotive drivetrains, industrial machinery, or agricultural equipment, NTN’s bearings deliver **reliability, efficiency, and long-term performance**, making them the preferred choice for engineers and maintenance professionals worldwide.
Part Number | H (0.0050/0) |
D | CM (0/-0.0047) |
BM (0/-0.0047) |
d | R | Mass |
---|---|---|---|---|---|---|---|
36.614 mm |
80.000 mm |
22.000 mm |
36.500 mm |
32.512 mm |
0.250 mm |
3.260 kg |
|
40.317 mm |
80.000 mm |
21.000 mm |
36.500 mm |
35.74 mm |
0.250 mm |
2.770 kg |
|
43.955 mm |
90.000 mm |
22.000 mm |
30.000 mm |
39 mm |
0.250 mm |
0.720 kg |
|
43.796 mm |
85.000 mm |
19.000 mm |
30.000 mm |
39 mm |
0.250 mm |
0.540 kg |
|
38.125 mm |
85.000 mm |
19.000 mm |
30.000 mm |
39 mm |
0.250 mm |
2.690 kg |
|
22.250 mm |
52.000 mm |
15.000 mm |
25.400 mm |
22.800 mm |
0.250 mm |
0.160 kg |
|
25.425 mm |
62.000 mm |
16.000 mm |
24.000 mm |
26.1 mm |
0.250 mm |
0.250 kg |
|
29.210 mm |
62.000 mm |
16.000 mm |
27.600 mm |
26.111 mm |
0.250 mm |
1.360 kg |
|
28.600 mm |
72.000 mm |
17.000 mm |
37.700 mm |
29.3 mm |
0.250 mm |
2.220 kg |
|
32.947 mm |
72.000 mm |
17.000 mm |
25.000 mm |
29.3 mm |
0.250 mm |
0.380 kg |
|
38.125 mm |
85.000 mm |
19.000 mm |
30.000 mm |
39 mm |
0.250 mm |
0.540 kg |
|
32.907 mm |
72.000 mm |
19.000 mm |
37.700 mm |
29.3 mm |
0.250 mm |
2.330 kg |
|
17.475 mm |
47.000 mm |
14.000 mm |
21.000 mm |
18.1 mm |
1.000 mm |
0.630 kg |
|
31.780 mm |
72.000 mm |
17.000 mm |
37.700 mm |
32.5 mm |
0.250 mm |
2.160 kg |
|
22.250 mm |
52.000 mm |
15.000 mm |
25.400 mm |
22.800 mm |
1.000 mm |
0.163 kg |
|
31.775 mm |
72.000 mm |
17.000 mm |
25.000 mm |
32.5 mm |
0.250 mm |
1.650 kg |
|
25.425 mm |
62.000 mm |
16.000 mm |
24.000 mm |
26.1 mm |
1.000 mm |
1.230 kg |
|
31.780 mm |
72.000 mm |
12.000 mm |
12.000 mm |
32.5 mm |
0.250 mm |
1.960 kg |
|
25.425 mm |
62.000 mm |
16.000 mm |
24.000 mm |
26.1 mm |
1.000 mm |
1.170 kg |
|
29.204 mm |
62.000 mm |
16.000 mm |
26.924 mm |
26.1 mm |
1.500 mm |
1.260 kg |