71905 CD/HCP4A 25*42*9 mm Super Precision High Capacity Single Row
Angular Contact Ball Bearing Hybrid Ceramic Balls High Speed
Super-precision, high-capacity, single row angular contact ball
bearing
The 71905 CD/HCP4A bearing,bore diameter is 25 mm, outside diameter is 42 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 | 71905 CD/HCP4A |
| Bearing Type | Angular Contact |
| Measurement Unit | Metric |
| Dimensions | Inner Bore Diameter (d) | 25 mm |
| Inner Bore Diameter Tolerance | -0.005mm to 0 |
| Outer Bore Diameter (D) | 42 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 | 0.039 kg |
| Matched Arrangement | No |
| Universal Matching Bearing | No |
| Preload | Not applicable |
| Load and Speed | Dynamic Radial Load | 6760 N |
| Static Radial Load | 4000 N |
| Reference Speed For Grease (r/min) | 45,000 rpm |
| Limiting Speed For Oil(r/min) | 70,000 rpm |
What's the Performance Features of 71905 CD/HCP4A Bearing?
The 71905 CD/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 71905 CD/HCP4A Bearing?
The 71905 CD/HCP4A bearing,is a versatile and reliable component used across a wide
range of industries. It supports various mechanical processing
equipment such as horizontal rubber machinery, leather processing
devices, electronic component forming machines, and beverage
production lines. Additionally, it is employed in diverse
industrial applications including twisting testing machines, waste
incinerators, industrial sewing machines, and plastic pipe
extrusion equipment. Notably, it excels as a spindle bearing in
machine tools, where its medium-speed heavy-duty capability and
ultra-precision are crucial for machining centers and grinding
machines, making it an essential part for ensuring high reliability
and performance in demanding industrial environments.
| 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 |
