SKFNU 309 ECJ is a cylindrical roller bearing used for bearing applications supporting rotating shafts. The following are the parameters and usage instructions for this bearing:
1. Parameters:
-Model: NU 309 ECJ
-Type: cylindrical roller bearing
-Inner diameter: 45 mm
-Outer diameter: 100mm
-Width: 25mm
-Standard clarity: C3
-Basic dynamic load rating (C): 112 kN
-Basic static load rating (C0): 100 kN
-Reference speed: 7500 rpm
-Maximum allowable speed: 8500 rpm
-Weight: 0.89 kg
2. Instructions for use:
-Installation: Before installation, ensure that the bearing seat and shaft are clean and inspect the bearings for any damage. Use appropriate tools to install the bearing into the bearing seat and ensure correct alignment. Follow appropriate installation procedures and torque specifications.
-Lubrication: Use appropriate lubricants to lubricate the bearings. Choose the correct type and amount of lubricant based on working conditions and requirements. Common lubrication methods include oil lubrication and grease lubrication. Follow appropriate lubrication intervals and methods based on actual needs.
-Maintenance: Regularly check the operating status of bearings, including noise, vibration, and temperature. If abnormal situations are found, appropriate maintenance measures should be taken in a timely manner. Replace or relubricate the bearings as needed.
Please note that the parameters and instructions provided above are for reference only. The specific application and working conditions may vary, so it is recommended to refer to official technical specifications and user manual to ensure the correct installation and use of the bearing.
| Model |
Basic Dimensions (mm) |
Basic Dynamic load rating (kn) |
Rated Speed ( r/min) |
| Inner Diameter |
Outer Diameter |
Width |
Trends |
static state |
Reference speed |
Limiting Speeds |
| NU 305 ECJ |
25 |
62 |
17 |
46.5 |
36.5 |
12 000 |
15 000 |
| NU 306 ECJ |
30 |
72 |
19 |
58.5 |
48 |
11 000 |
12 000 |
| NU 307 ECJ |
35 |
80 |
21 |
75 |
63 |
9 500 |
11 000 |
| NU 308 ECJ |
40 |
90 |
23 |
93 |
78 |
8 000 |
9 500 |
| NU 309 ECJ |
45 |
100 |
25 |
112 |
100 |
7 500 |
8 500 |
| NU 310 ECJ |
50 |
110 |
27 |
127 |
112 |
6 700 |
8 000 |
| NU 312 ECJ |
60 |
130 |
31 |
173 |
160 |
5 600 |
6 700 |
| NU 313 ECJ |
65 |
140 |
33 |
212 |
196 |
5 300 |
6 000 |
| NU 314 ECJ |
70 |
150 |
35 |
236 |
228 |
4 800 |
5 600 |
| NU 315 ECJ |
75 |
160 |
37 |
280 |
265 |
4 500 |
5 300 |
| NU 316 ECJ |
80 |
170 |
39 |
300 |
290 |
4 300 |
5 000 |
| NU 317 ECJ |
85 |
180 |
41 |
340 |
335 |
4 000 |
4 800 |
| NU 318 ECJ |
90 |
190 |
43 |
365 |
360 |
3 800 |
4 500 |
| NU 319 ECJ |
95 |
200 |
45 |
390 |
390 |
3 600 |
4 300 |
| NU 320 ECJ |
100 |
215 |
47 |
450 |
440 |
3 200 |
3 800 |
| NU 321 ECJ |
105 |
225 |
49 |
500 |
500 |
3 200 |
3 800 |
| NU 322 ECJ |
110 |
240 |
50 |
530 |
540 |
3 000 |
3 400 |
| NU 324 ECJ |
120 |
260 |
55 |
610 |
620 |
2 800 |
3 200 |
| NU 326 ECJ |
130 |
280 |
58 |
720 |
750 |
2 400 |
3 000 |
| NU 328 ECJ |
140 |
300 |
62 |
780 |
830 |
2 400 |
2 800 |
FAQ
1.What is the minimum order quantity for this product?
Can be negotiated, we will try our best to meet customer needs.Our company is mainly based on wholesale sales, most customers'orders are more than Over 200 sets.
2.What is your latest delivery time?
Most orders will be shipped within 3-5 days of payment being received.
3.Does your company have quality assurance?
Yes, for 1 years.
4.Are you a factory or a trading company?
We have our own cooperative factory, and our business type is a combination of manufacturing and trading.
5.What is the competitiveness of your company's products compared to other companies?
High precision, high speed, low noise.
6.What are the advantages of your company's services compared to other companies?
Answer questions online 24 hours a day, reply in a timely manner, 100% after-sales service.
7.Which payment method does your company support?
Do our best to meet customer needs, Can be negotiated.
8.How to contact us quickly?
Please send us an inquiry or message and leave your other contact information, we will contact you as soon as possible and provide the detailed information you need.
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