Gearbox Bearing of Wind Turbine Generator (WTG)
Gearbox bearing of wind turbine generator are mainly cylindrical roller bearings, tapered roller bearing, and precision angular contact bearings, details as follows:
1. Single-row Cylindrical Roller Bearing (with cage): NJ series and NU series
2. Single row Full Complement Cylindrical Roller Bearing (without cage): NCF series
3. Double-row Full Complement Cylindrical Roller Bearing (without cage): NNCF series
4. Tapered roller bearing, paired configuration
5. Four Point Contact Ball Bearing ( separated inner ring): QJ series
6. Deep Groove Ball Bearing
7. Double-row Full Complement Cylindrical Roller Bearing (without a cage, without outer ring): RSL series
8. Spherical roller bearing: double row, with cage
WTG Model | Structure | Bearing Model | Dimension d x D x B |
1.5MW speed increaser | single-row full complement cylindrical roller bearing | NCF2888V/P5S0 | Φ440 x Φ540 x 60 |
NCF18/530V/P5S0 | Φ530 x Φ650 x 56 | ||
NCF18/670V/P5S0 | Φ670 x Φ820 x 69 | ||
1.5MW speed increaser | self-aligning roller bearing | 23060CA/SOW33 | Φ300 x Φ460 x 118 |
22340CA/SOW33 | Φ200 x Φ420 x 138 | ||
1.5MW speed increaser | single-row full complement cylindrical roller bearing | NCF18/530V | Φ530 x Φ650 x 56 |
NCF28/670V | Φ670 x Φ820 x 88 | ||
1.5MW speed increaser | single-row full complement cylindrical roller bearing | NNCF5044CV/C3 | Φ220 x Φ340 x 160 |
1.5MW speed increaser | single-row cylindrical roller bearing | NU1072EM | Φ360 x Φ540 x 82 |
NU2326EM/C3 | Φ130 x Φ280 x 93 | ||
NU2336M/C3 | Φ180 x Φ380 x 126 | ||
NU2338EXM1/C3 | Φ190 x Φ400 x 132 | ||
NU326EM/C3 | Φ130 x Φ280 x 58 | ||
1.5MW speed increaser | four-point contact ball bearing | QJ326N2M | Φ130 x Φ280 x 58 |
QJ334N2M | Φ170 x Φ360 x 72 | ||
1.5MW speed increaser | paired single-row tapered roller bearing | Z-535808/DF | Φ400 x Φ540 x 86 |
1.5MW speed increaser | single-row cylindrical roller bearing | NU226EM | Φ130 x Φ230 x 40 |
2MW speed increaser | single-row full complement cylindrical roller bearing | FD-NCF18/710V | Φ710 x Φ870 x 74 |
FD-NCF18/560V | Φ560 x Φ680 x 56 | ||
2MW speed increaser | single-row full complement cylindrical roller bearing | FD-NJG2344VH | Φ220 x Φ460 x 145 |
2MW speed increaser | single-row cylindrical roller bearing | FD-NU1088EM | Φ440 x Φ650 x 94 |
2MW speed increaser | paired single-row tapered roller bearing | FD-31088X2-1/DF | Φ440 x Φ650 x (96x2) |
2MW speed increaser | single-row cylindrical roller bearing | FD-NU2344EM | Φ220 x Φ460 x 145 |
2MW speed increaser | paired single-row tapered roller bearing | FD-30344/DF | Φ220 x Φ460 x (97x2) |
2MW speed increaser | single-row cylindrical roller bearing | FD-NU224EM | Φ120 x Φ215 x 40 |
3MW gearbox | paired full complement double-row cylindrical roller bearing | NNCF5060V/P53DRS0 | Φ300 x Φ460 x 218 |
3MW gearbox | single-row full complement cylindrical roller bearing | NCF18/800V/P53CNLS0 | Φ800 x Φ980 x 82 |
3MW gearbox | paired single-row cylindrical roller bearing | NJ2334EM/P53DBS0 | Φ170 x Φ360 x 120 |
3MW gearbox | single-row tapered roller bearing | 306/500/P5 S0 | Φ500 x Φ670 x 85 |
The gearbox in the wind turbine is an important mechanical component. Its main function is to transmit the power generated by the wind wheel under the action of the wind to the generator and make it get the corresponding speed. Generally, the speed of the wind wheel is very low, far from the speed required by the generator to generate electricity, and must be achieved by the speed-increasing effect of the gearbox gear-pair, so the gearbox is also called the speed-increasing box. As the key component of the gearbox, the bearing keeps connecting all parts rotating stably. And the technical requirements of gearbox bearing of wind turbine generator are more strict than usual.
Tedin has full experience in producing many types of precision bearings used for wind turbine gearbox. Our company insisted on accelerated industrial upgrading. New CNC grinding machines replaced the original ordinary ones. We also have independently researched and upgraded some key processing machines. With strictly implement the ISO9001:2015 standard, control the entire production process and every detail, we guarantee to supply the high precision products to our customer.
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