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Home > products > Robot Bearing > Shaft 20 Mm BNAT205 Crossed Roller Bearing 20X31X5mm

Shaft 20 Mm BNAT205 Crossed Roller Bearing 20X31X5mm

Product Details

Place of Origin: China

Brand Name: CNBTZC or OEM

Certification: IATF16949:2016

Model Number: BNAT205

Payment & Shipping Terms

Minimum Order Quantity: 1000

Price: Please contact us,thanks

Packaging Details: plastic bag,box,carton,pallet

Delivery Time: 2-4 weeks

Payment Terms: L/C,T/T

Supply Ability: 100000pcs per month

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Highlight:

Shaft 20 Mm crossed roller bearing

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20X31X5mm crossed roller bearing

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BNAT205 crossed roller bearing

Bearing Name:
BNAT205 Crossed Roller Bearing
Shaft Bore:
20mm
Replaceable With:
IKO,THK
Customized:
Yes
Bearing Name:
BNAT205 Crossed Roller Bearing
Shaft Bore:
20mm
Replaceable With:
IKO,THK
Customized:
Yes
Shaft 20 Mm BNAT205 Crossed Roller Bearing 20X31X5mm

Shaft Diameter 20 mm BNAT205 Crossed Roller Bearing 20X31X5mm Precision Robot bearing Joints

BNAT205 ,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: 31 mm
  • Bore Diameter: 20 mm
  • Width:5mm

 

The BNAT205 bearing excels in applications requiring high performance and reliability, offering superior stiffness and load capacity while simplifying installation.

 

Part Number BNAT205
Measurement System Metric
Bearing Type Roller Bearing
Roller Bearing Type Crossed
For Load Direction Combined Load
Construction Single Row
Seal Type Open
Bore Diameter 20 mm
Outer Diameter 31 mm
Width 5 mm
Holes With Holes
Ring Material Steel
Roller Material Steel
Basic Dynamic Load Rating(C) 1500N
Basic Static Load Rating (Co) 1400N
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 0.015kg

 

What's the Performance Features of BNAT205 Crossed Roller Bearing?

 

  1. Ultra-Thin Profile: Minimized axial and radial dimensions for compact, space-saving applications.
  2. High Precision: Ensures accurate rotation, ideal for robotics and precision machinery.
  3. Lightweight: Reduces overall weight, perfect for robotic joints and portable devices.
  4. Versatile Load Capacity: Handles radial, axial, and moment loads efficiently.
  5. Integral Structure: Single-piece inner and outer rings enhance rigidity and stability.

​​

What's the Applications of the BNAT205 Crossed Roller Bearing?

 

The application areas of the BNAT205 bearing are primarily concentrated in scenarios that demand high precision, lightweight design, and compact structure. These include the following fields:


1. Robotics Field

The ultra-thin structure characteristics of the BNAT205 bearing make it lightweight and compact, making it highly suitable for various types of robots. For instance, collaborative robots, service robots, and special-purpose robots often have high requirements for the weight and size of components to achieve flexible movement and operation. The BNAT205 bearing meets the needs of lightweight and compact structures for rotating parts in robots, ensuring their efficient operation.

2. Alignment Platform Field

In alignment platforms, precise rotation and positioning functions are required. The high precision and compact design of the BNAT205 bearing can provide stable rotational support for alignment platforms, ensuring accuracy and reliability during operation. This results in precise alignment operations.

 

 

Shaft 20 Mm BNAT205 Crossed Roller Bearing 20X31X5mm 0

 

 


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-ф4.6/2.8 0.06
RU208 8 44 8 0.3 26 32 3020 3780 16 4-M3 38 4-ф3-ф 5/3 0.08
RU28 10 52 8 0.3 24 29.5 2900 3400 16 4-M3 42 6-ф3.4-ф6.5/3.3 0.12
RU42 20 70 12 0.6 37 47 7350 8350 28 6-M3 57 6-ф3.4-ф6.5/3.3 0.29
RU52 30 80 12 0.6 46.5 58.5 8610 10600 35 6-M3 67 6-ф3.4-ф6.5/3.3 0.40
RU66 35 95 15 0.6 59 74 17500 22300 45 8-M4 83 8-Φ4.5-Φ 8/4.3 0.62
RU85 55 120 15 0.6 79 93 20300 29500 65 8-M5 105 8-Φ5.5-Φ9.5/5.4 1.00
RU124 80 165 22 1 114 134 33100 50900 97 10-M5 148 10-Φ5.5-Φ9.5/5.4 2.60
RU178 115 240 28 1.5 161 195 80300 13500 139 12-M8 217 12-Φ8.6-Φ14/8.6 6.80
CRBTF105A 10 43 5 0.15 12.5 38.5 2800 2500 16 6-M2.5 35 6-ф2.8-ф4.6/2.8 0.09
CRBTF305A 30 63 5 0.15 33.5 58.5 5040 4500 36 8-M2.5 55 8-ф2.8-ф4.6/2.8 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!

Shaft 20 Mm BNAT205 Crossed Roller Bearing 20X31X5mm 1