Product Description
N,NJ,NU,NUP,RNU,NF 300 Series Cylindrical Roller Bearing
| Bearing Designation |
Boundary Dimension |
|
Basic Load Rating |
|
Limiting Speed |
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BORE |
OD |
WIDTH |
|
Dynamic |
Static |
|
Grease |
Oil |
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|
mm. |
mm. |
mm. |
|
kg. |
kg. |
|
rpm |
rpm |
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| 305 |
|
|
|
|
25 |
62 |
17 |
|
2910 |
1520 |
|
8550 |
10800 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 306 |
|
|
|
|
30 |
72 |
19 |
|
3760 |
2030 |
|
7650 |
9000 |
|
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|
|
|
|
|
|
| 307 |
|
|
|
|
35 |
80 |
21 |
|
4540 |
2540 |
|
7200 |
8550 |
|
|
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|
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|
|
|
|
|
|
|
|
|
| 308 |
|
|
|
|
40 |
90 |
23 |
|
5710 |
3310 |
|
6030 |
7200 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 309 |
|
|
|
|
45 |
100 |
25 |
|
7350 |
4230 |
|
5670 |
6750 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 310 |
|
|
|
|
50 |
110 |
27 |
|
8970 |
5300 |
|
5040 |
6030 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 311 |
|
|
|
|
55 |
120 |
29 |
|
10350 |
6320 |
|
4500 |
5400 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 312 |
|
|
|
|
60 |
130 |
31 |
|
12500 |
7750 |
|
4320 |
5040 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 313 |
|
|
|
|
65 |
140 |
33 |
|
14000 |
8650 |
|
4050 |
4770 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 314 |
|
|
|
|
70 |
150 |
35 |
|
15300 |
9650 |
|
3600 |
4320 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 315 |
|
|
|
|
75 |
160 |
37 |
|
18600 |
11800 |
|
3420 |
4050 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 316 |
|
|
|
|
80 |
170 |
39 |
|
19300 |
12400 |
|
3240 |
3870 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 317 |
|
|
|
|
85 |
180 |
41 |
|
21600 |
13900 |
|
3060 |
3600 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 318 |
|
|
|
|
90 |
190 |
43 |
|
24600 |
16300 |
|
2880 |
3420 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 319 |
|
|
|
|
95 |
200 |
45 |
|
26900 |
17900 |
|
2700 |
3240 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 320 |
|
|
|
|
100 |
215 |
47 |
|
30800 |
20700 |
|
2520 |
3060 |
Durability and StructureThe 300 Series Cylindrical Roller Bearing stands out for its round, solid design and high-grade metal construction. Its durable build ensures longevity and reliable function, even under strenuous working conditions. The cylindrical roller configuration optimizes load distribution, making it suitable for heavily loaded shafts.
Versatile Sizing OptionsRecognizing diverse industrial requirements, these bearings are available in different sizes. This versatility allows seamless integration with various machinery, enabling users to select the exact fit for their specific application. Each bearing is engineered to maintain efficiency and performance regardless of size.
Warranty and Support Across IndiaEvery 300 Series Cylindrical Roller Bearing is backed by a comprehensive warranty, underscoring manufacturer confidence in the product. Customers across India benefit from accessible support through an extensive network of distributors, suppliers, and traders, ensuring prompt assistance and product authenticity.
FAQs of 300 Series Cylindrical Roller Bearing:
Q: How do I choose the correct size of the 300 Series Cylindrical Roller Bearing for my machinery?
A: Selecting the appropriate size is crucial for optimal performance. Assess your shaft dimensions and load requirements, then match these with the available bearing sizes. Consulting with your supplier or manufacturer can also help ensure you select the best fit for your machinery.
Q: What is the primary benefit of using a cylindrical roller bearing with a round structure?
A: The round structure of this cylindrical roller bearing provides even load distribution and reduces operational friction. This design translates to increased durability, improved efficiency, and the ability to handle higher radial loads effectively.
Q: When should cylindrical roller bearings be used instead of other bearing types?
A: Cylindrical roller bearings are ideal when you need to support heavy radial loads and seek high running accuracy. They are particularly suitable for applications requiring minimal friction and where axial displacement must be accommodated.
Q: Where can I purchase genuine 300 Series Cylindrical Roller Bearings in India?
A: You can obtain authentic bearings from a broad network of authorized distributors, manufacturers, suppliers, and traders across India. Always choose reputable sources to guarantee product quality and warranty coverage.
Q: What is the process for installing a 300 Series Cylindrical Roller Bearing?
A: Installation involves carefully aligning the bearing with the shaft, ensuring the fit is correct and secure. Its important to follow the manufacturers guidelines and use appropriate tools to prevent damage and maximize bearing life.
Q: How does the warranty benefit bearing users?
A: The warranty provides assurance against manufacturing defects and supports buyers with repairs or replacements if issues arise within the covered period. This not only safeguards your investment but also reflects the manufacturers confidence in the products reliability.
Q: What types of applications are best suited for this cylindrical roller bearing?
A: These bearings excel in applications with high radial load demands, such as industrial gearboxes, electric motors, and heavy machinery. Their construction and material make them suitable for rigorous operational environments.