71915 CD/P4ADGC
71900 Series Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
71915 CD/P4ADGC
Basic Information
System of measurement
Metric
Weight
0.7 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
75 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
105 mm
Outside diameter tolerance
-0.004mm to 0
Width
32 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
9.525 mm
Ball quantity
26
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
13162 lbf
Radial static load rating
16875 lbf
Limiting speed
36 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Universal Matchable (SU)
Number of bearings in matched set
2
Universal matching bearing
Universal Matchable (SU)
Preload
Moderate / Class C
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
In Stock
Price available upon request.
Our sales team will respond within 24 hours with a competitive quote tailored to your requirements.
REQUEST A QUOTE
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
71915 CD/P4ADGC Bearing Product Overview & Core Advantages
The 71915 CD/P4ADGC is a precision angular contact ball bearing designed for applications demanding high rotational accuracy and rigidity. As a universally matchable (SU) bearing supplied in a pre-set pair, it is engineered to accommodate combined loads—significant radial loads and axial loads in one direction. Its P4A tolerance class ensures superior dimensional and running accuracy, making it ideal for high-speed spindles and other precision machinery where reliability and performance are critical.
71915 CD/P4ADGC Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| CD | Indicates a universal matchable (SU) bearing pair with a 15° contact angle, designed to be mounted in either a back-to-back (DB) or face-to-face (DF) arrangement. |
| P4A | Specifies a high-precision tolerance class with enhanced running accuracy requirements, surpassing ABEC-7/ISO P4 standards. |
| DGC | Denotes a moderate preload (Class C) applied to the bearing pair, optimizing rigidity and minimizing deflection under operational loads. |
71915 CD/P4ADGC Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The angular contact design and moderate preload provide exceptional system rigidity, enabling the bearing to handle demanding combined loads effectively. The phenolic cage contributes to stable operation under high centrifugal forces.
- Precision & High-Speed Performance: Manufactured to P4A tolerance class, this bearing ensures minimal runout and vibration. The optimized internal geometry and phenolic cage allow for a high limiting speed of 36,000 rpm, suitable for high-speed applications.
- Universal Matchability (SU): As a universally matchable pair, these bearings offer flexibility in mounting configurations (DB or DF) without requiring selective assembly, simplifying installation and maintenance.
- Durable Material Construction: Made from chrome steel for both rings and balls, the bearing provides excellent wear resistance and long service life under typical operating conditions.
71915 CD/P4ADGC Bearing Typical Application Areas
- Machine Tool Spindles: High-precision milling, grinding, and turning centers.
- High-Speed Machining Centers: Spindles requiring high rigidity and rotational accuracy.
- Precision Instrumentation: Medical devices, optical scanners, and coordinate measuring machines.
- Robotic Drives: High-performance joints and actuators.
