7032 CDGA/P4A
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7032 CDGA/P4A
Basic Information
System of measurement
Metric
Weight
5.15 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
160 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
240 mm
Outside diameter tolerance
-0.004mm to 0
Width
38 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
25.4 mm
Ball quantity
22
Performance
Temperature range
- 30°C 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
Number of bearings in matched set
3
Universal matching bearing
Universal Matchable (SU)
Preload
Extra light / Class A
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
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7032 CDGA/P4A Bearing Product Overview & Core Advantages
The 7032 CDGA/P4A is a precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. Operating under the P4A tolerance class, this bearing is engineered to handle combined loads with high reliability. Its extra light preload (Class A) ensures minimal deflection and smooth operation, making it ideal for high-precision spindles and other critical machinery where dimensional stability is paramount. The bearing is pre-lubricated and features a phenolic cage, contributing to its high-speed capabilities.
7032 CDGA/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| CDGA | Indicates a specific internal design with a 15° contact angle and optimized internal geometry for high precision and high-speed operation. |
| P4A | Denotes an ultra-precision tolerance class with very tight dimensional and running accuracy limits, exceeding standard P4 levels. |
7032 CDGA/P4A Bearing Structural Features & Performance Benefits
- High Rigidity & Precision: The bearing's design, combined with the extra light preload and P4A tolerance class, provides superior stiffness and minimizes runout, ensuring precise shaft positioning and excellent machining quality.
- Optimized Load Capacity: The 15° contact angle is engineered to efficiently support combined radial and axial loads, making it suitable for complex loading conditions.
- High-Speed Performance: The lightweight phenolic cage reduces centrifugal forces, while the optimized internal geometry allows for a high limiting speed of 11,000 rpm, which is critical for spindle applications.
- Universal Matching: Designated as Universal Matchable (SU), these bearings can be supplied in sets of 3 (DB or DF arrangements) to achieve specific preload and stiffness characteristics without selective mounting.
7032 CDGA/P4A Bearing Typical Application Areas
This bearing is primarily used in high-performance machinery requiring the utmost precision and speed.
- Machine Tool Spindles (High-speed machining centers, grinding spindles)
- Precision Grinding Equipment
- High-Frequency Motors
- Aerospace Positioning Systems
- Other applications where ultra-precision bearings are critical for performance.
