7032 CD/HCP4A
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
7032 CD/HCP4A
Basic Information
System of measurement
Metric
Weight
4.26 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
240 mm
Outside diameter tolerance
-0.011mm to 0
Width
38 mm
Width tolerance
-0.24mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
25.4 mm
Ball quantity
22
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
43875 lbf
Radial static load rating
48600 lbf
Limiting speed
11 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Preload
Available
Materials
Ring material
Chrome Steel
Ball material
Ceramic
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 2504.06
/ each
In Stock
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7032 CD/HCP4A Bearing Product Overview & Core Advantages
The 7032 CD/HCP4A is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional accuracy and performance. This single-row bearing features a 15° contact angle and is supplied with a preload, delivering superior rotational accuracy and high rigidity. Its construction with a phenolic cage and ceramic balls enables outstanding high-speed performance, making it an ideal solution for machine tool spindles and other precision machinery where reliability under combined loads is critical.
7032 CD/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
The model number 7032 CD/HCP4A provides detailed technical specifications:
- 7032: Basic bearing series, indicating a 160mm bore, 240mm OD, and 38mm width.
- C: Denotes a 15° contact angle.
- D: Indicates the bearing is supplied with a preload for enhanced stiffness.
- HC: Signifies the use of Hybrid Ceramic components (ceramic balls with steel rings).
- P4: Corresponds to P4 (ABEC-7) tolerance class, ensuring ultra-precise dimensions and runout.
- A: Specifies a 30° contact angle (this may supersede the 'C' designation in some naming conventions; please confirm application requirements).
7032 CD/HCP4A Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: The preload applied to the bearing eliminates internal clearance, resulting in significantly increased system stiffness and precise shaft positioning, which is vital for high-precision machining.
- Superior High-Speed Capability: The combination of a lightweight phenolic resin cage and low-density ceramic balls reduces centrifugal forces, allowing for a high limiting speed of 11,000 rpm. This design also minimizes heat generation at high velocities.
- Extended Service Life and Reliability: Hybrid ceramic construction offers excellent wear resistance and provides electrical insulation, reducing the risk of damage from electrical arcing. The inherent properties of ceramic also contribute to a longer operational life, especially in contaminated or poorly lubricated environments.
- Optimized for Combined Loads: The angular contact design with a defined contact angle is engineered to efficiently support substantial radial loads and axial loads in one direction simultaneously.
7032 CD/HCP4A Bearing Typical Application Areas
This bearing is specifically designed for high-performance applications, including:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Grinding Spindles: Applications demanding extreme rotational accuracy and minimal runout.
- High-Frequency Motors and Spindles: Where electrical insulation and high-speed capability are paramount.
- Aerospace and Defense Systems: Gyroscopes, navigation systems, and other critical rotating assemblies.
