71832 ACD/P4
71800 Series Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
71832 ACD/P4
Basic Information
System of measurement
Metric
Weight
1.23 kg
Tolerance class
P4 (ABEC-7)
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
160 mm
Bore diameter tolerance
-0.01mm to 0
Outside diameter
200 mm
Outside diameter tolerance
-0.011mm to 0
Width
20 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
11.112 mm
Ball quantity
38
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
11408 lbf
Radial static load rating
16875 lbf
Limiting speed
8 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:
$ 2766.17
/ each
In Stock
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71832 ACD/P4 Bearing Product Overview & Core Advantages
The 71832 ACD/P4 is a single-row angular contact ball bearing engineered for applications demanding high precision and superior rigidity. Designed to accommodate combined loads (radial and axial loads in one direction), it features a P4 (ABEC-7) tolerance class for exceptional running accuracy. Its 25° contact angle provides excellent axial load capacity, making it ideal for high-speed spindles and precision machinery where rigid support and minimal runout are critical. The bearing is pre-lubricated and comes with a phenolic cage optimized for high-speed operation.
71832 ACD/P4 Bearing Model Code Explained, Specifications & Naming Convention
The model number 71832 ACD/P4 breaks down as follows:
- 71832: Basic bearing series, indicating a single-row angular contact ball bearing with a specific internal design.
- ACD: Designates a 25° contact angle and optimized internal geometry for high-speed performance and combined load handling.
- P4: Indicates the tolerance class is P4 (equivalent to ABEC-7), signifying very high precision in dimensions and running accuracy.
71832 ACD/P4 Bearing Structural Features & Performance Benefits
- High Rigidity & Precision: Manufactured to P4 tolerance class, this bearing ensures minimal vibration and high positional accuracy. The 25° contact angle and robust construction provide excellent stiffness, crucial for machine tool spindles.
- Superior Load Capacity: With a dynamic load rating of 11408 lbf and static load rating of 16875 lbf, it reliably handles significant combined radial and axial loads.
- Optimized High-Speed Performance: The phenolic resin cage reduces centrifugal forces and friction, enabling a limiting speed of 8000 rpm. The open design allows for efficient lubrication management in high-speed applications.
- Precision Components: Made from chrome steel for rings and balls, ensuring high durability and wear resistance. The precise bore and outside diameter tolerances guarantee a perfect fit and reliable performance.
71832 ACD/P4 Bearing Typical Application Areas
This high-precision angular contact bearing is ideally suited for:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Gearboxes: Where high rigidity and accurate shaft positioning are required.
- High-Frequency Motors and Spindles: Applications demanding minimal runout at high rotational speeds.
- Medical Equipment: High-speed centrifuges and precision surgical tools.
- Aerospace Actuation Systems: Control surface actuators and other precision mechanisms.
