7032 CD/P4ADBA
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7032 CD/P4ADBA
Basic Information
System of measurement
Metric
Weight
10.3 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
76 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
71775 lbf
Radial static load rating
96750 lbf
Limiting speed
11 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Duplex Back-to-Back (DB)
Number of bearings in matched set
2
Universal matching bearing
No (Standard)
Preload
Extra light / Class A
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
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In Stock
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7032 CD/P4ADBA Bearing Product Overview & Core Advantages
The 7032 CD/P4ADBA is a precision duplex angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. This back-to-back (DB) matched pair is preloaded to Extra Light (Class A) specifications, ensuring minimal axial and radial play for superior system stability. Its primary advantage lies in its ability to handle combined loads—significant radial forces alongside substantial axial loads in both directions—making it an ideal choice for high-precision, high-rigidity spindles and machinery.
7032 CD/P4ADBA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| C | Specifies a 15° contact angle, optimized for high axial load capacity. |
| D | Indicates a duplex pair of bearings. |
| P4A | Denotes an ultra-precision tolerance class (superior to ABEC 7/P4), ensuring extremely tight running accuracy. |
| DB | Signifies the Back-to-Back arrangement, which provides high moment rigidity and excellent stability under complex loads. |
| A | Specifies the Extra Light preload class, minimizing friction and heat generation for high-speed operation. |
7032 CD/P4ADBA Bearing Structural Features & Performance Benefits
- High Rigidity & Stability: The duplex back-to-back (DB) configuration creates a wide, rigid support system that effectively resists moment loads and shaft deflection, crucial for maintaining precision in demanding applications.
- Superior Load Capacity: With a 15° contact angle and a dynamic load rating of 71,775 lbf, this bearing is engineered to manage high combined radial and bidirectional axial loads simultaneously.
- Optimized for High-Speed Operation: The phenolic resin cage offers low weight and excellent performance at high speeds, contributing to the bearing's limiting speed of 11,000 rpm. The standard lubrication is suitable for this operational range.
- Precision Engineering: Manufactured to P4A tolerance class with extremely tight bore and outside diameter tolerances, this bearing guarantees minimal runout and vibration for superior rotational accuracy.
- Durable Construction: Made from chrome steel for both rings and balls, ensuring high durability and a long service life under demanding conditions.
7032 CD/P4ADBA Bearing Typical Application Areas
The 7032 CD/P4ADBA is specifically designed for high-performance machinery where precision, speed, and rigidity are paramount. Key applications include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Grinding Spindles: Applications requiring the utmost in rotational accuracy and surface finish quality.
- High-Frequency Motors: Spindles for PCB drilling and other high-RPM electric motors.
- Industrial Pumps & Compressors: For shafts subjected to significant axial and radial forces.
- Advanced Robotics: Precision joints and arm linkages requiring high rigidity and accuracy.
