Four Row Tapered Roller Bearings represent the highest load capacity design in the tapered roller bearing family, engineered for extreme heavy-duty applications with severe shock loads, high temperatures, and continuous 24/7 operation.
The multi-row integrated structure distributes load across four rows of tapered rollers, significantly increasing radial and axial load capacity compared to single-row and double-row designs. Optional high-strength alloy steel and advanced heat-treated materials ensure stable performance under extreme industrial conditions.
Structural Features
- Four-row tapered roller configuration with integrated high-rigidity housing design
- Superior load distribution for extreme radial, axial, and impact loads
- High resistance to fatigue, misalignment, and vibration
- Optional high-temperature lubrication and reinforced sealing systems
- Large diameter and custom-size manufacturing capability
Applications
- Steel rolling mills (work rolls and backup rolls)
- Heavy-duty mining and crushing equipment
- Large-scale rotary kiln support systems
- Port cranes and heavy lifting equipment
- Extreme-load industrial transmission systems
Product Specifications
| Inquiry | Bearing No. | ID | OD | T | Cr | Cor | Mass |
|---|---|---|---|---|---|---|---|
| 380652/HC | 260 | 400 | 255 | 1630 | 4950 | 117 | |
| 380652/HC-1 | 260 | 400 | 255 | 2250 | 4800 | 117 | |
| 380656-1 | 280 | 395 | 288 | 2890 | 7450 | 116 | |
| 380656 | 280 | 420 | 250 | 1690 | 5300 | 119 | |
| 381156 | 280 | 460 | 324 | 3680 | 8350 | 219 | |
| 382960/C9 | 300 | 420 | 300 | 2750 | 7500 | 125 | |
| 382960X2/HCC9YA3 | 300 | 420 | 310 | 2220 | 8100 | 134 | |
| 382160/HC | 300 | 460 | 390 | 4230 | 10200 | 222 | |
| 380660/HCC9 | 300 | 500 | 350 | 3000 | 8900 | 280 | |
| 382064X2/HC | 320 | 480 | 380 | 3300 | 11500 | 252 | |
| 382968X2/HC | 340 | 460 | 310 | 2420 | 9300 | 147 | |
| 382968X2/HCC9 | 340 | 460 | 310 | 3300 | 8950 | 146 | |
| 381068 | 340 | 520 | 325 | 3520 | 8200 | 247 | |
| 381168 | 340 | 580 | 425 | 5550 | 12300 | 468 | |
| 382972X2/HCYA3 | 360 | 480 | 375 | 2800 | 11800 | 197 | |
| 380672 | 360 | 510 | 380 | 5500 | 14200 | 256 | |
| 381072X2/YA6 | 360 | 540 | 280 | 4300 | 8800 | 231 | |
| 381172/HCYA6 | 360 | 600 | 420 | 4340 | 13500 | 388 | |
| 381076X2/YA6 | 380 | 560 | 360 | 6000 | 13500 | 296 | |
| 380676/HC | 380 | 620 | 388 | 3800 | 11600 | 443 |