FBSA 204/QBC
![FBSA 204/QBC Angular Contact Thrust Ball Bearings For Screw Drives](https://imgl.lily-bearing.com/super-precision-bearings/super-precison-for-fcrew-drives/super-precison-for-fcrew-drives-limg-01.png?x-oss-process=image/resize,w_150,h_150,m_pad/auto-orient,1/quality,q_90/format,png)
Part Number | FBSA 204/QBC |
Brand: LILY ![]() |
Interchangeable With: SKF |
System of Measurement | Metric |
Bearing Type | Ball |
Internal Design | High Speed |
Contact Angle | 62° |
For Load Direction | Combined Radial and Thrust |
Construction | Single Direction |
Seal Type | Open |
Bore Dia | 20 mm |
Bore Dia Tolerance | -0.005mm to 0 |
Outer Dia | 90 mm |
Outer Dia Tolerance | -0.008mm to 0 |
Width | 77 mm |
Width Tolerance | -0.120mm to 0 |
Shoulder Diameter Inner Ring (Large Side Face)(d1) | 26 mm |
Ring Material | Chrome Steel |
Ball Material | Ceramic |
Cage Material | PA66 cage |
Dynamic Radial Load | 8071 lbf |
Static Radial Load | 22031 lbf |
Max Speed (X1000 rpm) | 4.75 |
Lubrication | Lubricated |
Temperature Range | -30° to 110 °C |
ABEC Rating | P4 (ABEC-7) |
ROHS | Compliant |
REACH | Compliant |
Weight | 1.7 kg |
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Design Features of FBSA 204/QBC Bearing
FBSA 204/QBC Bearing consists of an inner ring, outer ring, and balls arranged between them. The rings have angled raceways to accommodate axial loads in one direction, with contact angles typically between 15 to 25 degrees. FBSA 204/QBC bore dia is 20 mm. Its out dia is 90 mm, width is 77 mm. Its design ensures it can handle significant axial loads while maintaining precise positioning and high-speed operation.
What Benefits Can FBSA 204/QBC Bearing Provide?
- High Rigidity: It is very stiff, which helps keep positioning precise and accuracy high during use.
- Precision Tolerance: Manufactured with tight tolerances for high precision and smooth operation.
- High-Speed Capability: The design allows for high rotational speeds.
- High Axial Load Capacity: This bearing can handle significant axial loads in one direction, which is crucial for precise axial positioning in screw drives.
What Can FBSA 204/QBC Bearing Be Used for?
FBSA 204/QBC Bearing is crucial for applications that need high precision, rigidity, and the ability to handle high-speed axial loads. Here are some applications.
- Positioning System:The bearing provides precise movement and positioning in robotic arms used in manufacturing and automation.
- High-Speed Applications: It can enable high-speed operation in various machinery, such as turbines and compressors.
- Load Support: It is designed to support and transfer axial loads in ball screws and lead screws used in linear motion systems.
- Aerospace: To ensure smooth and accurate movements of the simulator platforms.
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