HCB71904-C-T-P4S-UL Ceramic Bearing
|
Brand |
= |
SEMRI |
|
Manufacturer Part Number |
= |
HCB71904-C-T-P4S-UL |
|
Inside Diameter |
= |
20mm |
|
Outside Diameter |
= |
37mm |
|
Width |
= |
9mm |
|
Contact Angle |
= |
15° |
|
Precision Grade |
= |
P4S |
|
Seals or Shields |
= |
None |
|
Material |
= |
Hybrid Ceramic |
|
Clearance |
= |
CN = Standard Internal clearance |
|
Cage Type |
= |
T = Outerring Guided Phenolic Cage |
Designed for extreme speeds, high rigidity, minimal heat generation, and maximum running accuracy, its primary application scope includes:
1. Machine Tool Spindles (Core Application)
This is the most common use case for this specific high-end model:
-
High-Speed CNC Spindles: Main spindles for milling, turning, boring, and machining centers.
-
Precision Grinding Machines: Cylindrical, surface, and internal grinders requiring flawless surface finishes.
-
PCB Drilling Machines: Printed circuit board drilling spindles that run at ultra-high frequencies.
-
Woodworking and Stone Carving: High-speed electro-spindles for precision routing and engraving.
2. Semiconductor & Electronics Manufacturing
-
Wafer Inspection Equipment: Precision rotary stages in silicon wafer manufacturing where minimal thermal expansion and zero magnetic interference are critical.
-
Turbomolecular Vacuum Pumps: High-speed vacuum pumps running at tens of thousands of RPM under poor lubrication conditions.
3. Aerospace, Precision Instruments & Optics
-
Optical and Surveying Equipment: High-end telescope mounts and geodetic instruments requiring micro-positioning accuracy.
-
Marine Gyro-Stabilizers: High-speed rotors inside stabilization systems for yachts and ships.
-
Micro Gas Turbines: Support bearings for experimental or specialized high-speed micro-turbines.
4. Medical & Motorsports
-
Medical Equipment: High-speed centrifuges and CT scanner rotary assemblies requiring silent, low-vibration, and long-life operation.
-
High-Performance Motorsports: Wheel hubs or drivetrain components in racing cars where reducing rotational inertia and friction is vital.
Pre：HCB71903-E-T-P4S-UL Precision Bearing
Next：HCB71905-C-T-P4S-UL Hybrid Ceramic Bearing
