S71905 ACDTP/P4B
Sealed Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S71905 ACDTP/P4B
Basic Information
System of measurement
Metric
Weight
0.043 kg
Tolerance class
P4 (ABEC-7)
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
25 mm
Bore diameter tolerance
-0.005mm to 0
Outside diameter
42 mm
Outside diameter tolerance
-0.006mm to 0
Width
9 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
4.762 mm
Ball quantity
18
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
1433 lbf
Radial static load rating
855 lbf
Limiting speed
34 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Preload
Available
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 212.25
/ each
In Stock
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S71905 ACDTP/P4B Bearing Product Overview & Core Advantages
The S71905 ACDTP/P4B is a precision single-row angular contact ball bearing designed for applications requiring exceptional rotational accuracy and rigidity. Engineered to a P4 (ABEC-7) tolerance class, it delivers superior running precision. Its key advantage lies in its ability to accommodate combined radial and axial loads simultaneously, making it an ideal, compact solution for high-speed spindles and other demanding machinery where high reliability and high rigidity are paramount.
S71905 ACDTP/P4B Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| AC | Angular Contact design with a 25° contact angle. |
| DTP | Indicates a phenolic (synthetic resin) cage, offering low weight and excellent high-speed performance. |
| P4 | Specifies a P4 (ABEC-7) tolerance class for superior dimensional and running accuracy. |
| B | Denotes a 25° contact angle, optimized for handling significant axial loads. |
S71905 ACDTP/P4B Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: Manufactured to a P4 tolerance class with a 25° contact angle, this bearing provides exceptional rotational accuracy and stiffness, ensuring stable performance under load.
- Superior Load Capacity: The angular contact design is engineered to efficiently support combined radial and axial loads in one direction.
- High-Speed Performance: The lightweight phenolic cage (DTP) reduces centrifugal forces, enabling a high limiting speed of 34,000 rpm and ensuring smooth operation.
- Pre-lubricated & Sealed: The bearing comes lubricated and sealed from both sides, protecting against contamination and providing long-term, maintenance-free operation within its specified temperature range.
S71905 ACDTP/P4B Bearing Typical Application Areas
This precision angular contact ball bearing is ideally suited for high-performance applications, including:
- Machine Tool Spindles
- High-Speed Grinding Spindles
- Precision Instrumentation
- High-Frequency Motors
- Medical and Dental Equipment
