High speed Cylindrical Roller Bearing Gearbox bearing NJ2320
Cylindrical roller bearing and raceway are the line of contact bearing.Large load capacity, mainly bear radial load.Ring wall and rolling friction is small, suitable for high-speed rotation.Inner ring and outer ring of the bearing can be separated .The inner ring or outer ring without rib of cylindrical roller bearing,the inner ring and the outer ring can axially move relatively, so it can be used as a free end bearing.In the inner and outer rings on one side of the double rib, the other side of the ferrule has a single rib of cylindrical roller bearings, can withstand a certain degree of one direction axial load.
Feature of High speed Cylindrical Roller Bearing:
The friction coefficient is small, suitable for high speed, speed limit is closer to the deep groove ball bearing.
Type N and type NU axially movable, can adapt due to thermal expansion and installation error of shaft and the housing relative position changes, can be used as a free end bearing using.
The inner ring or outer ring can be separated, which is convenient for installing and detaching.
Applications of High speed Cylindrical Roller Bearing :
Motor, machine tools, petroleum, mill handling machinery and various industrial machinery.
| Product name | Brg No | Boundary dimensions(mm) | r(mm) | Cr(N) | Cor(N) | Limiting Speed(min-1) |
| Bore | O.D. | Width | Grease | Oil |
| Cylindrical Roller Bearing | NU203 | 17 | 40 | 12 | 0.6 | 12,600 | 7,950 | 16,000 | 19,000 |
| Cylindrical Roller Bearing | NU204 | 20 | 47 | 14 | 1 | 15,400 | 12,700 | 15,000 | 18,000 |
| Cylindrical Roller Bearing | NU204E | 20 | 47 | 14 | 1 | 25,700 | 22,600 | 13,000 | 16,000 |
| Cylindrical Roller Bearing | NU2204 | 20 | 47 | 18 | 1 | 20,700 | 18,400 | 14,000 | 17,000 |
| Cylindrical Roller Bearing | NU2204E | 20 | 47 | 18 | 1 | 30,500 | 28,300 | 13,000 | 16,000 |
| Cylindrical Roller Bearing | NU304 | 20 | 52 | 15 | 1.1 | 21,400 | 17,300 | 12,000 | 15,000 |
| Cylindrical Roller Bearing | NU304EG | 20 | 52 | 15 | 1.1 | 31,500 | 26,900 | 12,000 | 15,000 |
| Cylindrical Roller Bearing | NU2304 | 20 | 52 | 21 | 1.1 | 30,500 | 27,200 | 11,000 | 14,000 |
| Cylindrical Roller Bearing | NU2304E | 20 | 52 | 21 | 1.1 | 42,000 | 39,000 | 11,000 | 14,000 |
| Cylindrical Roller Bearing | NU1005 | 25 | 47 | 12 | 0.6 | 14,300 | 13,100 | 15,000 | 18,000 |
| Cylindrical Roller Bearing | NU205 | 25 | 52 | 15 | 1 | 17,700 | 15,700 | 13,000 | 16,000 |
| Cylindrical Roller Bearing | NU205EG | 25 | 52 | 15 | 1 | 29,300 | 27,700 | 12,000 | 14,000 |
| Cylindrical Roller Bearing | NU2205 | 25 | 52 | 18 | 1 | 24,300 | 23,500 | 12,000 | 14,000 |
| Cylindrical Roller Bearing | NU2205EG | 25 | 52 | 18 | 1 | 35,000 | 34,500 | 12,000 | 14,000 |
| Cylindrical Roller Bearing | NU305 | 25 | 62 | 17 | 1.1 | 29,300 | 25,200 | 10,000 | 13,000 |
| Cylindrical Roller Bearing | NU305EG | 25 | 62 | 17 | 1.1 | 41,500 | 37,500 | 10,000 | 12,000 |
| Cylindrical Roller Bearing | NU2305 | 25 | 62 | 24 | 1.1 | 42,500 | 41,000 | 9,300 | 11,000 |
| Cylindrical Roller Bearing | NU2305E | 25 | 62 | 24 | 1.1 | 57,000 | 56,000 | 9,000 | 11,000 |
| Cylindrical Roller Bearing | NU405 | 25 | 80 | 21 | 1.5 | 46,500 | 40,000 | 7,500 | 9,000 |
| Cylindrical Roller Bearing | NU1006 | 30 | 55 | 13 | 1 | 19,700 | 19,600 | 12,000 | 15,000 |
| Cylindrical Roller Bearing | NU206 | 30 | 62 | 16 | 1 | 23,500 | 21,500 | 11,000 | 13,000 |
| Cylindrical Roller Bearing | NU206EG | 30 | 62 | 16 | 1 | 39,000 | 37,500 | 9,500 | 12,000
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