Super Precision High Capacity D Design P4A Precision Grade Angular Contact Ball Bearing Single Row Bearing
S71901 CDGB/P4A 12×24×6 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing
Super-precision, high-capacity D design, universally matchable single row angular contact ball bearing with seals. The S71901 CDGB/P4A bearing features precise dimensions, high static load capacity, P4A precision grade, delivering superior performance and reliability for applications requiring high rotational accuracy and stability.
| Part Number | S71901 CDGB/P4A |
| Bearing Type | Angular Contact |
| Measurement Unit | Metric |
| Inner Bore Diameter (d) | 12 mm |
| Inner Bore Diameter Tolerance | -0.004mm to 0 |
| Outer Bore Diameter (D) | 24 mm |
| Outer Bore Diameter Tolerance | -0.004mm to 0 |
| Width (B) | 6 mm |
| Width Tolerance | -0.2mm to 0 |
| Contact Angle | 15° (25°, 40° Available) |
| Material | Chrome Steel |
| 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 | 0.01 kg |
| Matched Arrangement | No |
| Universal Matching Bearing | Yes, back-to-back (<>), face-to-face (><) or tandem (>>) DB, DF, DT 2 bearings |
| Preload | L/Light/Class B |
| Dynamic Radial Load | 2650 N |
| Static Radial Load | 1250 N |
| Reference Speed For Grease | 70,000 rpm |
| Limiting Speed For Oil | 110,000 rpm |
- Engineered for high-precision and high-performance applications
- Very tight tolerances suitable for precise machinery
- 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
The S71901 CDGB/P4A bearing, featuring a D-type design with high load-carrying capacity, excels in operating from low to moderate temperatures and handling heavy loads at high speeds. With the largest number of balls and ball size compared to other precision angular contact bearings, it offers superior stiffness and maximum load capacity.
This bearing is critical for precision and stability in various applications, including:
- Machining centers
- Milling and lathe machines
- Grinders
- Stone and glass cutting/polishing machines
- Fault detection units in semiconductor manufacturing
- Marine gyro stabilizers
- Telescopes
- Gas turbine engines
- Race car/supercar hubs
- Machine tool spindles
| 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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