SKF BFKB353203/HA4 Cross Tapered Roller Bearing 240x300x30mm Robot Arm Bearing Replacement
The BFKB353203/HA4 Cross Tapered Roller Bearing is a high-precision bearing designed for robot arms, CNC systems, and advanced automation equipment. With dimensions of 240mm inner diameter, 300mm outer diameter, and 30mm width, it provides excellent rigidity, load capacity, and smooth rotational performance.
This bearing is suitable as a reliable interchangeable replacement for equivalent high-precision models, ensuring stable motion and long service life in demanding robotic and industrial applications.
- Model: BFKB353203/HA4
- Size: 240x300x30mm
- Type: Cross Tapered Roller Bearing
- Designed for robot arms and precision systems
- High rigidity and precision performance
- High Rigidity Structure: Cross tapered roller design ensures minimal deformation under load.
- Excellent Load Capacity: Supports radial, axial, and moment loads simultaneously.
- Precision Motion Control: Ideal for robotic joints and automation systems.
- Replacement Compatibility: Interchangeable with equivalent international bearing models.
- Smooth Operation: Optimized raceways reduce friction and vibration.
- Durable Construction: Manufactured from high-quality bearing steel with heat treatment.
| Parameter | BFKB353203/HA4 |
|---|---|
| Model | BFKB353203/HA4 |
| Inner Diameter (ID) | 240 mm |
| Outer Diameter (OD) | 300 mm |
| Width (H) | 30 mm |
| Type | Cross Tapered Roller Bearing |
| Structure | Crossed Tapered Rollers |
| Material | Bearing Steel |
| Preload | Custom |
| Accuracy Class | P5 / P4 optional |
| Application | Robot Arms, CNC Machines, Automation Systems |
- Robot Arms – High precision and rigidity for joint movement.
- Industrial Robots – Smooth and stable motion control.
- CNC Equipment – Accurate positioning and machining performance.
- Automation Systems – Reliable operation under combined 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 |
- Reliable Replacement Solution: Compatible with international bearing standards.
- Precision Manufacturing: Ensures high accuracy and consistency.
- Cost-Effective Alternative: Competitive pricing without compromising quality.
- Fast Delivery: Efficient production with global shipping support.
Q1: Can this bearing replace SKF BFKB353203/HA4?
A1: Yes, it is designed as an interchangeable replacement with equivalent dimensions and performance.
Q2: Is this bearing suitable for robot arms?
A2: Yes, it is specifically designed for high-precision robotic joint applications.
Q3: Do you offer customization options?
A3: Yes, we provide customization for preload, precision grade, and materials
Looking for a reliable alternative to BFKB353203/HA4?
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