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CESI 638
Part Number | CESI 638 |
System of Measurement | Metric |
Bearing Type | Ball |
For Load Direction | Radial |
Construction | Single Row |
Seal Type | Open |
Bore Dia | 8 mm |
Bore Dia Tolerance | -0.008mm to 0 |
Outer Dia | 28 mm |
Outer Dia Tolerance | -0.008mm to 0 |
Width | 9 mm |
Width Tolerance | -0.12mm to 0 |
Ring Material | Silicon Nitride |
Balls Material | Si3n4 |
Cage Material | PEEK |
Dynamic Radial Load | 218 lbf |
Static Radial Load | 89 lbf |
Max Speed (X1000 rpm) | 22.4 |
Lubrication | Without |
Shaft Mount Type | Press Fit |
ABEC Rating | ABEC-1 |
Radial Clearance Trade No | C0 |
Radial Clearance | 0.002mm to 0.013mm |
Ball Dia | 4.7620 mm |
Ball Qty | 7 |
Temperature Range | -176 to 1472 °F |
RoHS | Compliant |
REACH | Compliant |
Weight | 11.24 g |
Design Features of CESI 638 Bearing
CESI 638 Bearing is a precision bearing designed with balls made from silicon nitride (Si3N4), a type of advanced ceramic material. CESI 638 bore dia is 8 mm. Its out dia is 28 mm. CESI 638 width is 9 mm. This bearing offers superior performance in terms of resistance to heat, corrosion, and wear, making it ideal for specific applications where these properties are crucial.
What Benefits Can CESI 638 Bearing Provide?
- High-Temperature Resistance: Silicon nitride's ability to withstand extreme temperatures ensures this bearing maintain its performance even in heat-intensive applications.
- Corrosion and Chemical Resistance: CESI 638 Bearing remains durable in environments exposed to corrosive chemicals.
- Low Friction: Reduced friction attributes to minimal wear, less heat generation, and an extended operational lifespan of the bearing.
- Non-Magnetic: Being ceramic, silicon nitride is inherently non-magnetic, making CESI 638 Bearing ideal for applications where magnetic interference is a concern.
- Electrical Insulation: Silicon nitride is non-conductive, making it ideal for applications requiring electrical insulation.
What Can CESI 638 Bearing Be Used for?
CESI 638 Bearing excels in unique applications due to its specific properties:
- Precision Machine Tools: Especially in high-speed spindle applications where precision and reduced friction are paramount.
- Electric Motors: Used in settings where high efficiency and performance are required. The non-conductive nature ensures minimal electrical interference.
- Aerospace Equipment: For instruments and systems sensitive to weight and where resistance to extreme conditions is essential, like satellite gyroscopes and guidance systems.
- Medical Devices: In high-performance equipment like MRI machines, surgical instruments, and dental drills, where precision, hygiene, and reduced noise are crucial.
- High-Performance Vehicles: In race cars or motorcycles, for wheel and engine bearings, to handle high speeds with reduced heat production.
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