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NJ series copper cage bearing Cylindrical Roller Bearings NJ2310 NJ2311 NJ2312 NJ2313
We always can meet your requirements upon our tech and sevice.The large group of tech and service team will meet you around 24 hours. And we will develop the new products upon your potential orders.
Since the establishment, we have been devoted to developing and manufacturing all kinds of normal and non-standard bearings with the precision class of P0, P4, P5, P6, SP and UP. Now we can constantly provide various kinds of bearings such as deep groove ball bearings, angular contact ball bearings, cylindrical roller bearings, tapered roller bearings, thrust ball bearings, thrust cylindrical roller bearings, thrust self-aligning roller bearings and slewing bearings,etc. The material we use is GCr15SiMn,grade 1 which is the best bearing steel in China. We make all the bearings according to the quality standard of ISO9001-2000 and ASME. We have our own in-house lab to test the material and bearings. Our strict testing and inspection system guarantee the high and even hardness, high abrasion and high temperature resistance. Before delivery, there will be a final and extra quality confirmation to ensure all the bearings in good order and condition.
The advantages:
1.High precision,low noise
2.Premium steels and heat treatments
3.Minimum lubrication
4.Wear resistance
5.Easy replacement
6.Customization,non-standard bearing
Cylindrical Roller Bearings main models include: NU10**, NU2**,NU22**, NU3**,
NU23**, NU4**, N, NJ ,NUP series as well as NB, NN, NNUseries of big bearings, and we
also have Split Bearings 412740, 422740used in cement industry.And FC, FCD series used
in Steel Industry.






1.KMY bearings The rollers of cylindrical roller bearings have linear contact with the raceway,so the bearing can carry heavier radial load.
2.Applications are found in situations characterized by heavy load and shock load,and also by high-speed rotation.These bearings are separable formed bearings,and convenient to be mounted and dismounter.
3.They are designed as types of single,double and milltiple rows among which the single row cylindrical roller bearings are most applicable.
4.Normally these bearings can accommodate radial load only,none but single row bearings with ribs both on inner and outer rings can carry lighter axial load.
Cylindrical roller bearing list:
| Boundary Dimenssion (mm) | Mass (KG) | Bearing Numbers | Basic Load Ratings(KN) | Limited Speed(rpm) | ||||||
| d | D | B | r1min | rsmin | approx | Type | Cr | Cor | Grease | Oil |
| 15 | 35 | 11 | 0.6 | 0.3 | 0.05 | N202 | 12.7 | 10.4 | 20000 | 22000 |
| 35 | 11 | 0.6 | 0.3 | 0.05 | NJ202 | 12.7 | 10.4 | 20000 | 22000 | |
| 35 | 11 | 0.6 | 0.3 | 0.05 | NU202 | 12.7 | 10.4 | 20000 | 22000 | |
| 17 | 40 | 12 | 0.6 | 0.3 | 0.06 | N203 | 17.6 | 14.6 | 10000 | 18000 |
| 40 | 12 | 0.6 | 0.3 | 0.06 | NJ203 | 14.5 | 12.8 | 18000 | 18000 | |
| 20 | 47 | 14 | 1.0 | 0.6 | 0.109 | N204 | 16.6 | 13.9 | 17000 | 20000 |
| 47 | 14 | 1.0 | 0.6 | 0.111 | NJ204 | 16.6 | 13.9 | 17000 | 20000 | |
| 47 | 14 | 1.0 | 0.6 | 0.111 | NU204 | 16.6 | 13.9 | 17000 | 20000 | |
| 52 | 15 | 1.1 | 0.6 | 0.149 | N304 | 23.1 | 19.2 | 14000 | 17000 | |
| 52 | 15 | 1.1 | 0.6 | 0.153 | NJ304 | 23.1 | 19.2 | 14000 | 17000 | |
| 52 | 15 | 1.1 | 0.6 | 0.153 | NU304 | 23.1 | 19.2 | 14000 | 17000 | |
| 25 | 52 | 15 | 1.0 | 0.6 | 0.134 | N205 | 18.8 | 17 | 14000 | 16000 |
| 52 | 15 | 1.0 | 0.6 | 0.137 | NJ205 | 18.8 | 17 | 14000 | 17000 | |
| 52 | 18 | 1.1 | 0.6 | 0.17 | NJ2205V | 35.3 | 29.4 | 12000 | 25000 | |
| 52 | 15 | 1.0 | 0.6 | 0.137 | NU205 | 18.8 | 17 | 14000 | 16000 | |
| 62 | 17 | 1.1 | 1.1 | 0.235 | N305 | 31.5 | 27.7 | 12000 | 14000 | |
| 62 | 17 | 1.1 | 1.1 | 0.241 | NJ305 | 31.5 | 27.7 | 12000 | 14000 | |
| 62 | 17 | 1.1 | 1.1 | 0.241 | NU305 | 31.5 | 27.7 | 12000 | 14000 | |
| 62 | 24 | 1.1 | 1.1 | 0.37 | NJ2305V | 67 | 72.7 | 7200 | 10000 | |
| 30 | 62 | 16 | 1.0 | 0.6 | 0.203 | N206 | 24.9 | 23.3 | 12000 | 14000 |
| 62 | 16 | 1.0 | 0.6 | 0.207 | NJ206 | 24.9 | 23.3 | 12000 | 14000 | |
| 62 | 16 | 1.0 | 0.6 | 0.207 | NU206 | 24.9 | 23.3 | 12000 | 14000 | |
| 72 | 19 | 1.1 | 1.1 | 0.35 | N306 | 38.5 | 35 | 10000 | 12000 | |
| 72 | 19 | 1.1 | 1.1 | 0.358 | NJ306 | 38.5 | 35 | 10000 | 12000 | |
| 72 | 19 | 1.1 | 1.1 | 0.358 | NU306 | 38.5 | 35 | 10000 | 12000 | |
| 35 | 72 | 17 | 1.1 | 0.6 | 0.289 | N207 | 35.5 | 34 | 11000 | 12000 |
| 72 | 17 | 1.1 | 0.6 | 0.295 | NJ207 | 35.5 | 34 | 11000 | 12000 | |
| 72 | 17 | 1.1 | 0.6 | 0.295 | NU207 | 35.5 | 34 | 11000 | 12000 | |
| 80 | 21 | 1.5 | 1.1 | 0.451 | N307 | 49.5 | 47 | 9000 | 11000 | |
| 80 | 21 | 1.5 | 1.1 | 0.461 | NJ307 | 49.5 | 47 | 9000 | 11000 | |
| 80 | 21 | 1.5 | 1.1 | 0.461 | NU307 | 49.5 | 47 | 9000 | 11000 | |
| 80 | 21 | 1.5 | 1.5 | 0.536 | NUP307V | 77.2 | 78.6 | 10000 | 23000 | |
| 40 | 80 | 18 | 1.1 | 1.1 | 0.37 | N208 | 43.5 | 43 | 9400 | 11000 |
| 80 | 18 | 1.1 | 1.1 | 0.387 | NJ208 | 43.5 | 43 | 9400 | 11000 | |
| 80 | 18 | 1.1 | 1.1 | 0.378 | NU208 | 43.5 | 43 | 9400 | 11000 | |








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