Shaft 30 Mm BNAT305 Crossed Roller Robot Bearing 30X41X5mm Precision Joints
Shaft Diameter 30 mm BNAT305 Crossed Roller Bearing 30X41X5mm Precision Robot bearing Joints
BNAT305 ,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 (with a minimum section of just 5mm), 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: 41 mm
- Bore Diameter: 30 mm
- Width:5mm
The BNAT305 bearing excels in applications requiring high performance and reliability, offering superior stiffness and load capacity while simplifying installation.
| Part Number | BNAT305 |
| Measurement System | Metric |
| Bearing Type | Roller Bearing |
| Roller Bearing Type | Crossed |
| For Load Direction | Combined Load |
| Construction | Single Row |
| Seal Type | Open |
| Bore Diameter | 30 mm |
| Outer Diameter | 41 mm |
| Width | 5 mm |
| Holes | With Holes |
| Ring Material | Steel |
| Roller Material | Steel |
| Basic Dynamic Load Rating(C) | 1900N |
| Basic Static Load Rating (Co) | 2100N |
| 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 | 0.021kg |
What's the Performance Features of BNAT305 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 BNAT305 Crossed Roller Bearing?
The application areas of the BNAT305 bearing are primarily concentrated in scenarios that demand high precision, lightweight design, and compact structure. These include the following fields:
Robotics
The BNAT305 bearing is ultra-thin, lightweight, and compact, making it ideal for robots with strict space and weight requirements. It is widely used in collaborative robots, service robots, and specialized robots like surgical robots, exoskeletons, and humanoid robots. It supports joints and rotating parts, ensuring smooth and stable movement.
Industrial Production
- CNC Machines: Provides high precision and rigidity for stable, high-speed operation in rotating components.
- Precision Instruments: Ensures accurate measurements in devices requiring high stability.
- Textile Equipment: Offers reliable performance in compact spaces for printing and dyeing machines.
Automated Logistics
- AGV Vehicles: Enables flexible steering and stable operation in automated guided vehicles.
- SCARA Robots: Supports precise and stable motion in assembly and handling tasks.
Optics and Electronics
- Alignment Platforms: Ensures precise positioning in electronics and optical equipment.
- Optical Devices: Provides accurate and stable rotation for angle adjustments.
Power and Transmission
- DD Motors: Delivers high precision and rigidity for direct-drive motors.
- Harmonic/Planetary Gearboxes: Enhances performance and reliability in high-load applications.
Other Fields
- Radar Systems: Ensures accurate rotation and signal transmission in radar equipment.
- Medical Devices: Supports precise and reliable operation in surgical robots and diagnostic equipment.
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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