S71903 ACD/P4A 17*30*7 mm Super Precision High Capacity Single Row
Angular Contact Ball Bearing High Speed
Super-precision, high-capacity, single row angular contact ball
bearing with seals
The S71903 ACD/P4A bearing,bore diameter is 17 mm, outside diameter is 30 mm,width is
7 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 | S71903 ACD/P4A |
| Bearing Type | Angular Contact |
| Measurement Unit | Metric |
| Dimensions | Inner Bore Diameter (d) | 17 mm |
| Inner Bore Diameter Tolerance | -0.004mm to 0 |
| Outer Bore Diameter (D) | 30 mm |
| Outer Bore Diameter Tolerance | -0.005mm to 0 |
| Width (B) | 7 mm |
| Width Tolerance | -0.2mm to 0 |
| Specifications | Contact Angle | 25° (15°,40° Available) |
| Material | Chrome Steel |
| Cage Material | Phenolic |
| Number of Rows | 1 Single Row |
| Seal Type | Seal on both side |
| Temperature Range | -30°C to 150°C |
| Lubrication | Grease |
| Tolerance Class | P4A better than P4 (ABEC-7) |
| Weight | 0.017 kg |
| Matched Arrangement | No |
| Universal Matching Bearing | No |
| Preload | Not applicable |
| Load and Speed | Dynamic Radial Load | 3970 N |
| Static Radial Load | 2000 N |
| Reference Speed For Grease (r/min) | 48,000 rpm |
| Limiting Speed For Oil(r/min) | 75,000 rpm |
What's the Performance Features of S71903 ACD/P4A Bearing?
The S71903 ACD/P4A 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 S71903 ACD/P4A Bearing?
The S71903 ACD/P4A bearing,distinguished by its high precision and robust design, is
extensively used in various industries including machine tools
(such as electric spindles, high-speed machining centers, and
milling machines), robotics, woodworking machinery, metal cutting
equipment, construction machinery, automotive engines, gear
reducers, port machinery, metallurgical equipment, elevator
traction machines, plastic processing equipment, and compressors.
Its capability to maintain stability at high speeds while
withstanding significant radial and axial loads makes it essential
for enhancing operational efficiency, precision, and reliability
across these diverse applications. This bearing's versatility and
superior performance are crucial for ensuring the optimal
functioning of critical components in demanding 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 |
