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71904 CE/HCP4A Super Precision Single Row Angular Contact Ball Bearing 7904
71904 CE/HCP4A 20*37*9 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing Hybrid Ceramic Balls High Speed
Super-precision, high-speed E design, single row angular contact ball bearing
The 71904 CE/HCP4A bearing,bore diameter is 20 mm, outside diameter is 37 mm,width is 9 mm,featuring precise dimensions, high static load capacity, P4A precision grade, and hybrid ceramic balls, delivers superior performance and reliability for applications requiring high rotational accuracy and stability.
| Part Number |
71904 CE/HCP4A |
| Bearing Type |
Angular Contact |
| Measurement Unit |
Metric |
| Dimensions |
Inner Bore Diameter (d) |
20 mm |
| Inner Bore Diameter Tolerance |
-0.005mm to 0 |
| Outer Bore Diameter (D) |
37 mm |
| Outer Bore Diameter Tolerance |
-0.006mm to 0 |
| Width (B) |
9 mm |
| Width Tolerance |
-0.2mm to 0 |
| Specifications |
Contact Angle |
15° (25°,40° Available) |
| Material |
Hybrid (Chrome Steel Rings, Ceramic Balls) |
| Cage Material |
Phenolic |
| Number of Rows |
1 Single Row |
| Seal Type |
Open |
| Temperature Range |
-30°C to 150°C |
| Lubrication |
Grease or Oil |
| Tolerance Class |
P4A better than P4 (ABEC-7) |
| Weight |
0.031 kg |
| Matched Arrangement |
No |
| Universal Matching Bearing |
No |
| Preload |
Not applicable |
| Load and Speed |
Dynamic Radial Load |
4940 N |
| Static Radial Load |
2360 N |
| Reference Speed For Grease (r/min) |
68,000 rpm |
| Limiting Speed For Oil(r/min) |
106,000 rpm |
What's the Performance Features of 71904 CE/HCP4A Bearing?
The 71904 CE/HCP4A angular contact ball bearing is engineered for high-precision and high-performance applications, featuring very tight tolerances suitable for precise machinery, the ability to handle both radial and axial loads simultaneously, high-speed operation with stability, low torque and friction for energy efficiency, enhanced rigidity for accuracy under heavy loads, durability with extended service life, effective performance across a wide temperature range.
What's the Applications of the 71904 CE/HCP4A Bearing?
The 71904 CE/HCP4A bearing,an angular contact ball bearing known for its high precision and excellent speed performance, finds extensive application across various industrial sectors. It is used in industrial production equipment such as condensers, ink mixing devices, and injection molding machines, enhancing efficiency and quality. In high-speed rotating equipment like electric spindles, high-speed machining centers, and milling machines, it ensures stable and precise operation. Additionally, it plays a crucial role in special applications including glass machinery, repair welding machines, rock drills, and flame arrestors, supporting diverse industries from pharmaceuticals to mining with its reliable performance and versatility. This makes the 71904 CE/HCP4A bearing indispensable for applications requiring high accuracy, speed, and durability.
| CERTIFICATE |
RoHS & REACH, IATF16949:2016 |
| Feature |
High Speed and Stiffness,High Running Accuracy,High Load Carrying Capacity |
| Service |
OEM&ODM Customized Services |
| Samples |
Please Contact Us |
| Service |
Online Support,Professional Service |
| Size |
Standard,For custom sizes ,please contact us |
| Factory Manufacturer |
Yes |
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