Highlight:
Part Number: |
S71903 CD/HCP4A Angular Contact Ball Bearing |
Structure: |
Angular Contact |
Seals Type: |
Sealed,Seal On Both Sides,2RZ |
Ring Type: |
One-piece Inner And Outer Rings |
Lubrication: |
Grease |
Replaceable With: |
SKF, NSK S7903CSN24TRV1VP4 |
Coating: |
Without |
Sealing: |
Without |
Design: |
High-capacity D |
Contact Type: |
Normal Contact (two-point Contact) |
S71903 CD/HCP4A Super Precision Single Row Angular Contact Ball Bearing 7903 2RZ
S71903 CD/HCP4A 17*30*7 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 with seals
The S71903 CD/HCP4A 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 CD/HCP4A |
| 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 |
15° (25°,40° Available) |
| Material |
Hybrid (Chrome Steel Rings, Ceramic Balls) |
| Cage Material |
Phenolic |
| Number of Rows |
1 Single Row |
| Seal Type |
Seal on both sides |
| Temperature Range |
-30°C to 150°C |
| Lubrication |
Grease |
| Tolerance Class |
P4A better than P4 (ABEC-7) |
| Weight |
0.015 kg |
| Matched Arrangement |
No |
| Universal Matching Bearing |
No |
| Preload |
Not applicable |
| Load and Speed |
Dynamic Radial Load |
4160 N |
| Static Radial Load |
2080 N |
| Reference Speed For Grease (r/min) |
63,000 rpm |
| Limiting Speed For Oil(r/min) |
90,000 rpm |
What's the Performance Features of S71903 CD/HCP4A Bearing?
The S71903 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 S71903 CD/HCP4A Bearing?
The S71903 CD/HCP4A bearing is an ultra-precision angular contact ball bearing designed for high-speed and high-load applications, featuring high rigidity and low friction. It is ideal for a wide range of machinery including electric spindles, high-speed machining centers, milling machines, lathes, grinding machines, woodworking equipment, metal cutting tools, ship gyro stabilizers, telescopes, gas turbine engines, and race car wheel hubs. By ensuring stability, reliability, and precision in these demanding environments, this bearing significantly enhances operational efficiency and quality, making it essential for improving performance across various industrial sectors.
| 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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