XR902050 Crossed Taper Roller Bearing 2463.8x2819.4x114.3mm Heavy-Duty Robot Arm Bearing
The XR902050 Tapered Cross Roller Bearing is an ultra-mega large, heavy-duty precision bearing designed for robot arms, CNC machines, slewing cranes, and other large-scale industrial equipment. With dimensions of 2463.8mm inner diameter, 2819.4mm outer diameter, and 114.3mm width, it provides unmatched load capacity, high rigidity, and ultra-smooth rotational performance.
Engineered for extreme working conditions, this bearing ensures stable motion, precise positioning, and reliable operation under massive loads, making it ideal for robotics, heavy machinery, cranes, and automation platforms.
- Model: XR902050
- Size: 2463.8x2819.4x114.3mm
- Type: Tapered Cross Roller Bearing
- Ultra-large, heavy-duty design
- Optimized for robot arms, CNC machines, and slewing cranes
- Mega Ultra-Large Bearing: Supports ultra-heavy-duty industrial and automation systems.
- Extreme Load Capacity: Handles radial, axial, and moment loads simultaneously.
- Precision Engineering: Tapered cross rollers ensure smooth and accurate rotation.
- Heavy-Duty Construction: Heat-treated bearing steel ensures long service life.
- Robot Arm & CNC Compatible: Optimized for large-scale rotary applications.
- Reliable Performance: Designed for continuous heavy-load operation in harsh conditions.
| Parameter | Specification |
|---|---|
| Model | XR902050 |
| Inner Diameter (ID) | 2463.8 mm |
| Outer Diameter (OD) | 2819.4 mm |
| Width (H) | 114.3 mm |
| Type | Tapered Cross Roller Bearing |
| Structure | Crossed Tapered Rollers |
| Material | Bearing Steel |
| Preload | Custom |
| Accuracy Class | P5 / P4 optional |
| Application | Robot Arms, CNC Machines, Slewing Cranes, Heavy Equipment |
- Robot Arms – Ultra-large industrial robots requiring precise motion.
- CNC Machines – Smooth rotation and high rigidity for massive components.
- Slewing Cranes – Reliable rotation for large-scale lifting platforms.
- Heavy Industrial Equipment – Stable operation under extreme loads.
| 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
Q1: Can XR902050 handle crane slewing applications?
A1: Yes, it is designed for ultra-large slewing systems and heavy lifting applications.
Q2: Is it suitable for continuous heavy loads?
A2: Yes, it supports radial, axial, and moment loads under continuous operation.
Q3: Can the bearing be customized for accuracy or preload?
A3: Yes, GQZ Bearing provides customization for preload, accuracy class, and materials.
Equip your ultra-large machinery with XR902050 Tapered Cross Roller Bearing.
Contact GQZ Bearing today for pricing, samples, or technical consultation!
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