Heavy Duty CNC Bearing XR844050 Cross Tapered Roller Bearing 685.8x914.4x79.375mm
The XR844050 Cross Tapered Roller Bearing is an ultra large, high-precision bearing designed for CNC machines, heavy industrial equipment, and advanced automation systems. With dimensions of 685.8mm inner diameter, 914.4mm outer diameter, and 79.375mm width, it follows imperial standards and is ideal for large-scale machinery.
Engineered for extreme load conditions, this bearing delivers exceptional rigidity, high torque capacity, and stable rotational accuracy, ensuring reliable performance in demanding industrial environments.
- Model: XR844050
- Size: 685.8x914.4x79.375mm
- Type: Cross Tapered Roller Bearing
- Inch series ultra large bearing
- Designed for heavy-duty CNC and industrial systems
- Ultra Large Size: Suitable for large-scale industrial machinery.
- Heavy Duty Structure: Designed for extreme loads and high torque applications.
- High Rigidity: Cross tapered rollers minimize deformation under load.
- Combined Load Capacity: Supports radial, axial, and moment loads simultaneously.
- Precision Performance: Ensures stable and accurate rotation.
- Durable Construction: Heat-treated bearing steel for long service life.
| Parameter | XR844050 |
|---|---|
| Model | XR844050 |
| Inner Diameter (ID) | 685.8 mm |
| Outer Diameter (OD) | 914.4 mm |
| Width (H) | 79.375 mm |
| Type | Cross Tapered Roller Bearing |
| Structure | Crossed Tapered Rollers |
| Material | Bearing Steel |
| Preload | Custom |
| Accuracy Class | P5 / P4 optional |
| Application | CNC Machines, Heavy Equipment, Industrial Systems |
- CNC Machine Tools – High precision machining for large components.
- Heavy Industrial Equipment – Reliable performance under extreme loads.
- Automation Systems – Stable motion control for large-scale systems.
- Precision Machinery – Suitable for high-load and high-accuracy applications.
| Timken | KG | d | D | B | r | Cr (KN) | Co (KN) | Cr (KN) | ||
|---|---|---|---|---|---|---|---|---|---|---|
| - | 4.9 | 150 | 230 | 30 | 1 | 95.2 | 156 | 111 | 279 | 1100 |
| - | 5.15 | 160 | 240 | 30 | 1.1 | 96.8 | 162 | 118 | 300 | 1000 |
| - | 6.7 | 200 | 280 | 30 | 1.5 | 102 | 175 | 120 | 320 | 9000 |
| XR496051 | 5.59 | 203.2 | 279.4 | 31.75 | 1.5 | 110 | 188 | 134 | 348 | 850 |
| XR496052 | 5.59 | 203.2 | 279.4 | 31.75 | 1.5 | 110 | 188 | 134 | 348 | 850 |
| - | 5.4 | 240 | 300 | 30 | 1 | 88 | 184 | 114 | 361 | 750 |
| - | 4.5 | 250 | 310 | 25 | 1 | 88 | 188 | 114 | 361 | 700 |
| - | 13 | 250 | 350 | 40 | 1.3 | 187 | 355 | 228 | 657 | 670 |
| JXR637050 | 12.5 | 300 | 400 | 36.492 | 1.5 | 183 | 355 | 223 | 657 | 560 |
| JXR637050 | 12.5 | 300 | 400 | 37 | 1.5 | 183 | 355 | 223 | 657 | 560 |
| JXR678054 | 38 | 300 | 480 | 60 | 1.5 | 258 | 495 | 35 | 920 | 600 |
| JXR652050 | 19.5 | 310 | 425 | 45 | 2.5 | 216 | 427 | 281 | 837 | 640 |
| JXR678052 | 32 | 330.2 | 457.2 | 63.5 | 3.3 | 264 | 515 | 312 | 954 | 620 |
| - | 27 | 350 | 470 | 50 | 3.3 | 308 | 635 | 376 | 1180 | 560 |
| JXR699050 | 30 | 370 | 495 | 50 | 3.3 | 93.6 | - | 119 | - | 600 |
| - | 15 | 400 | 480 | 40 | 1.1 | 216 | 497 | 281 | 957 | 430 |
| - | 46.5 | 400 | 550 | 60 | 2.5 | 429 | 920 | 523 | 1700 | 400 |
| XR736052 | 27.5 | 432.003 | 571.5 | 38.1 | 3.3 | 83 | 910 | 530 | 1600 | 400 |
| JXR766051 | 51 | 457.2 | 609.6 | 63.5 | 3.3 | 396 | 856 | 514 | 1680 | 420 |
| JXR766052 | 62 | 424.95 | 614.924 | 65 | 3.3 | 470 | 960 | 600 | 1720 | 380 |
| JXR820060 | 100 | 580 | 760 | 80 | 3.3 | 627 | 1380 | 765 | 2560 | 300 |
| JXR820061 | 100 | 580 | 760 | 80 | 6.4 | 627 | 1380 | 765 | 2560 | 300 |
| JXR836050 | 148 | 600 | 830 | 80 | 6.4 | 680 | 1460 | 820 | 2870 | 300 |
| JXR8444050 | 150 | 685.8 | 914.4 | 79.375 | 6.4 | 693 | 1660 | 900 | 3250 | 260 |
| JXR855053 | 150 | 685.8 | 914.4 | 79.375 | 3.3 | 693 | 1660 | 900 | 3250 | 260 |
| JXR855056 | 150 | 685.8 | 914.4 | 79.375 | 3.3 | 693 | 1660 | 900 | 3250 | 260 |
| JXR882054 | 185 | 901.7 | 1117.6 | 82.555 | 3 | 781 | 2060 | 1060 | 4290 | 200 |
| JXR882055 | 185 | 901.7 | 1117.6 | 82.555 | 3.3 | 781 | 2060 | 1060 | 4290 | 200 |
| JXR882058 | 158 | 939.8 | 1117.6 | 82.55 | 3 | 920 | 2580 | 1200 | 5000 | 200 |
| - | 215 | 950 | 1170 | 85 | 3 | 968 | 2690 | 1310 | 5600 | 215 |
| JXR889058 | 430 | 1028.7 | 1327.15 | 114.3 | 3.3 | 1230 | 3310 | 1600 | 6490 | 430 |
| JXR889059 | 358 | 1028.7 | 1327.15 | 95.25 | 3.3 | 1060 | 3100 | 1420 | 6020 | 450 |
| JXR889060 | 430 | 1028.7 | 1327.15 | 114.3 | 3.3 | 1230 | 3310 | 1600 | 6490 | 430 |
| - | 350 | 1270 | 1524 | 95.25 | 3.3 | 1300 | 3830 | 1760 | 2980 | 95 |
| JXR897051 | 500 | 1549.4 | 1828.8 | 101.6 | 3.3 | 1400 | 4510 | 1890 | 9400 | 80 |
| - | 675 | 1879.6 | 2197.1 | 101.6 | 5.4 | 1510 | 5240 | 2040 | 10900 | 43 |
| - | 1130 | 2463.8 | 2819.4 | 114.3 | 5.4 | 2330 | 8740 | 3150 | 18200 | 18200 |
- Precision Manufacturing Expertise
- Stable Quality & Performance
- Flexible Customization Options
- Fast Delivery & Global Supply
Power your heavy-duty systems with XR844050 Cross Tapered Roller Bearing.
Contact GQZ Bearing today for pricing, samples, or technical consultation!
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.




