7032 CDGB/P4A
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7032 CDGB/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
Light / Class B
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 CDGB/P4A Bearing Product Overview & Core Advantages
The 7032 CDGB/P4A is a single-row angular contact ball bearing engineered for high-precision applications requiring exceptional rotational accuracy and rigidity. Designed to accommodate primarily axial loads in one direction, combined with moderate radial loads, this bearing features a 15° contact angle and a Universal Matchable (SU) design, allowing bearings to be mounted in tandem, face-to-face, or back-to-back arrangements to achieve specific preload and stiffness characteristics. Its P4A tolerance class ensures superior dimensional and running accuracy, making it ideal for high-speed spindles and precision machinery where minimal runout and high system rigidity are critical.
7032 CDGB/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7032 | Basic bearing series, defining the boundary dimensions: 160mm bore, 240mm outside diameter, 38mm width. |
| C | Specifies a 15° contact angle, optimized for high-speed operation and combined loads. |
| DGB | Indicates a Universal Matchable (SU) bearing. "DB" typically signifies a specific preload group (Light / Class B in this case) for precise matching. |
| P4A | Denotes an extremely high precision tolerance class, exceeding ABEC 7 standards, for applications demanding exceptional running accuracy and low vibration. |
7032 CDGB/P4A Bearing Structural Features & Performance Benefits
- High Precision & Rigidity: Manufactured to P4A tolerance standards with a phenolic resin cage, this bearing ensures minimal vibration and high running accuracy, providing the stiffness required for demanding spindle applications.
- Superior Load Capacity: The 15° contact angle is optimized to handle significant axial loads in one direction while supporting substantial radial loads, offering excellent performance under combined loading conditions.
- High-Speed Capability: The lightweight and robust phenolic cage, combined with the optimized internal geometry, enables a high limiting speed of 11,000 rpm, suitable for modern high-speed machinery.
- Universal Matching Design: As a Universal Matchable (SU) bearing, it can be supplied in sets (3 in this specification) and arranged in multiple configurations (tandem, back-to-back, face-to-face) to achieve specific preload (Light / Class B) and system rigidity without selective mounting.
7032 CDGB/P4A 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 Spindles: Applications in PCB drilling, semiconductor manufacturing, and fine finishing.
- High-Frequency Motors: Spindles for routers and high-speed electric motors.
- Medical Equipment: Centrifuges and high-speed dental handpieces.
