Shaft 55 Mm BNAT555 Cross Roller Ring Bearing 55X66X5mm
Shaft Diameter 55 mm BNAT555 Crossed Roller Bearing 55X66X5mm Precision Robot bearing Joints
BNAT555 ,Ultra-Thin Section Type Both the inner and outer rings are of an integral structure. This series minimizes axial and radial section dimensions to the extreme , featuring an ultra-thin design. It is most suitable for applications requiring lightweight and compact structures in rotating parts, such as collaborative robots, service robots, special-purpose robots, and alignment platforms. Key features include:
- Outer Diameter: 66 mm
- Bore Diameter: 55 mm
- Width:5mm
The BNAT555 bearing excels in applications requiring high performance and reliability, offering superior stiffness and load capacity while simplifying installation.
| Part Number | BNAT555 |
| Measurement System | Metric |
| Bearing Type | Roller Bearing |
| Roller Bearing Type | Crossed |
| For Load Direction | Combined Load |
| Construction | Single Row |
| Seal Type | Open |
| Bore Diameter | 55 mm |
| Outer Diameter | 66 mm |
| Width | 5 mm |
| Holes | With Holes |
| Ring Material | Steel |
| Roller Material | Steel |
| Basic Dynamic Load Rating(C) | 2500N |
| Basic Static Load Rating (Co) | 3700N |
| Lubrication | Required |
| Shaft Mount Type | Press Fit |
| Temperature Range | 0 -230 °F |
| ABEC Rating | ABEC5/7/9 (P5,P4,P2) |
| RoHS | Compliant |
| REACH | Compliant |
| Weight | 0.035kg |
What's the Performance Features of BNAT555 Crossed Roller Bearing?
- Ultra-Thin Profile: Minimized axial and radial dimensions for compact, space-saving applications.
- High Precision: Ensures accurate rotation, ideal for robotics and precision machinery.
- Lightweight: Reduces overall weight, perfect for robotic joints and portable devices.
- Versatile Load Capacity: Handles radial, axial, and moment loads efficiently.
- Integral Structure: Single-piece inner and outer rings enhance rigidity and stability.
What's the Applications of the BNAT555 Crossed Roller Bearing?
The BNAT555 bearing is a cross roller bearing with an ultra-thin section design. It features small axial and radial dimensions (minimum section height of only 5mm), lightweight construction, and compact structure, making it suitable for applications where space and weight are critical. Below are its specific application areas:
1. Robotics
- Collaborative Robots: Compact and light, it helps reduce weight and improve flexibility while ensuring precision and stability.
- Service Robots: Enables smooth movement in tight spaces like hotels or malls.
- Specialized Robots: Resists harsh environments (heat, pressure, corrosion) while maintaining stability.
- SCARA Robots: Improves speed and accuracy for assembly tasks.
- Exoskeleton Robots: Reduces weight for user comfort while providing reliable support.
- Surgical Robots: Ensures precise movements in compact designs for accurate surgeries.
- Hexapod/Quadruped Robots: Provides stable joint movement on uneven terrains.
- Humanoid Robots: Supports flexible and natural motion.
2. Industrial Equipment
- CNC Machines: Ensures stable and precise machining.
- Rotary Tables: Compact design for accurate rotation in limited spaces.
- Direct Drive Motors: Enhances efficiency with low friction and high precision.
- Industrial Turntables: Improves speed and accuracy in production lines.
- Hollow Rotary Platforms: Ideal for precise motion control in small spaces.
- Gearboxes: Ensures reliable performance in harmonic and planetary systems.
3. Other Applications
- Alignment Platforms: High precision for electronics and optics.
- AGV Carts: Allows flexible navigation in narrow areas.
- Medical Devices: Reliable rotation for surgical tables and imaging systems.
- Communication Radars: Ensures accurate tracking and rotation.
- Precision Instruments: Meets strict accuracy requirements.
- Textile Printing Machines: Improves print quality and machine efficiency.
Bearing Number |
Dimensions(mm) | Mounting Size | Basic Load Rating(N) | Inner Ring Mounting Hole | Outer Ring Mounting Hole | Reference Weight(Kg) |
|||||||
| Inner Diameter | Outer Diameter | Width | Chamfer | Dynamic | Static | Hole Center | Hole size | Hole Center | Hole size | ||||
| d | D | B | r(min) | da | Da | Cr | Cor | dn | do | Dn | Do | Wt ≈ | |
| RJ40 | 8 | 40 | 8 | 0.3 | 26 | 28 | 3020 | 3780 | 20 | 4-M3 | 34 | 6-ф2.8-ф4.6/凵2.8 | 0.06 |
| RU208 | 8 | 44 | 8 | 0.3 | 26 | 32 | 3020 | 3780 | 16 | 4-M3 | 38 | 4-ф3-ф 5/凵3 | 0.08 |
| RU28 | 10 | 52 | 8 | 0.3 | 24 | 29.5 | 2900 | 3400 | 16 | 4-M3 | 42 | 6-ф3.4-ф6.5/凵3.3 | 0.12 |
| RU42 | 20 | 70 | 12 | 0.6 | 37 | 47 | 7350 | 8350 | 28 | 6-M3 | 57 | 6-ф3.4-ф6.5/凵3.3 | 0.29 |
| RU52 | 30 | 80 | 12 | 0.6 | 46.5 | 58.5 | 8610 | 10600 | 35 | 6-M3 | 67 | 6-ф3.4-ф6.5/凵3.3 | 0.40 |
| RU66 | 35 | 95 | 15 | 0.6 | 59 | 74 | 17500 | 22300 | 45 | 8-M4 | 83 | 8-Φ4.5-Φ 8/凵4.3 | 0.62 |
| RU85 | 55 | 120 | 15 | 0.6 | 79 | 93 | 20300 | 29500 | 65 | 8-M5 | 105 | 8-Φ5.5-Φ9.5/凵5.4 | 1.00 |
| RU124 | 80 | 165 | 22 | 1 | 114 | 134 | 33100 | 50900 | 97 | 10-M5 | 148 | 10-Φ5.5-Φ9.5/凵5.4 | 2.60 |
| RU178 | 115 | 240 | 28 | 1.5 | 161 | 195 | 80300 | 13500 | 139 | 12-M8 | 217 | 12-Φ8.6-Φ14/凵8.6 | 6.80 |
| CRBTF105A | 10 | 43 | 5 | 0.15 | 12.5 | 38.5 | 2800 | 2500 | 16 | 6-M2.5 | 35 | 6-ф2.8-ф4.6/凵2.8 | 0.09 |
| CRBTF305A | 30 | 63 | 5 | 0.15 | 33.5 | 58.5 | 5040 | 4500 | 36 | 8-M2.5 | 55 | 8-ф2.8-ф4.6/凵2.8 | 1.20 |
| CRBT305-41A | 30 | 41 | 5 | 0.15 | 33.5 | 36.5 | 3640 | 3250 | - | 0.08 | |||
| RA5008C | 50 | 66 | 8 | 0.5 | 53.5 | 60.5 | 5100 | 7190 | - | 0.08 | |||
| RA6008C | 60 | 76 | 8 | 0.5 | 63.5 | 70.5 | 5680 | 8680 | - | 0.09 | |||
| RA7008C | 70 | 86 | 8 | 0.5 | 73.5 | 80.5 | 5980 | 9800 | - | 0.10 | |||
| RA8008C | 80 | 96 | 8 | 0.5 | 83.5 | 90.5 | 6370 | 11300 | - | 0.11 | |||
| RA9008C | 90 | 106 | 8 | 0.5 | 93.5 | 100.5 | 6760 | 12400 | - | 0.12 | |||
| RA10008C | 100 | 116 | 8 | 0.5 | 103.5 | 110.5 | 7150 | 13900 | - | 0.14 | |||
| BNAT105 | 10 | 21 | 5 | 0.2 | 12.5 | 18.5 | 1100 | 800 | - | 0.009 | |||
| BNAT205 | 20 | 31 | 5 | 0.2 | 22.5 | 28.5 | 1500 | 1400 | - | 0.015 | |||
| BNAT305 | 30 | 41 | 5 | 0.2 | 32.5 | 38.5 | 1900 | 2100 | - | 0.021 | |||
| BNAT408 | 40 | 56 | 8 | 0.2 | 42.5 | 53.5 | 4200 | 5800 | - | 0.027 | |||
| BNAT505 | 50 | 61 | 5 | 0.2 | 52.5 | 58.5 | 2400 | 3400 | - | 0.032 | |||
| BNAT555 | 55 | 66 | 5 | 0.2 | 57.5 | 63.5 | 2500 | 3700 | - | 0.035 | |||
| BNAT805 | 80 | 91 | 5 | 0.2 | 82.5 | 88.5 | 3000 | 5400 | - | 0.05 | |||
| BNAT905 | 90 | 101 | 5 | 0.2 | 92.5 | 98.5 | 3100 | 6000 | - | 0.056 | |||
If you need more detailed information , feel free to ask!
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