7032 ACD/P4ATBTC
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7032 ACD/P4ATBTC
Basic Information
System of measurement
Metric
Weight
15.4 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
114 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
25.4 mm
Ball quantity
22
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
89325 lbf
Radial static load rating
139500 lbf
Limiting speed
6.3 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Triplex Back-to-Back (TBT)
Number of bearings in matched set
3
Universal matching bearing
No (Standard)
Preload
Moderate / Class C
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 ACD/P4ATBTC Bearing Product Overview & Core Advantages
The 7032 ACD/P4ATBTC is a precision angular contact ball bearing designed for demanding applications requiring exceptional rigidity and accuracy. This triplex back-to-back (TBT) matched set delivers superior performance under combined loads, handling significant radial and axial forces simultaneously. Manufactured to P4A tolerance class, it ensures high running accuracy and is pre-lubricated for immediate operation. Its robust construction with a phenolic cage and chrome steel components makes it ideal for high-speed, high-rigidity environments where reliability is paramount.
7032 ACD/P4ATBTC Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7032 | Basic bearing series, defining the standard dimensions: 160mm bore, 240mm OD, 114mm width. |
| ACD | Angular Contact Design with a 25° contact angle for optimal axial load capacity. |
| P4A | High precision tolerance class (equivalent to ABEC 7), ensuring minimal runout and vibration. |
| TBT | Triplex Back-to-Back arrangement. Three bearings are matched and preloaded to provide maximum system rigidity and moment load capacity. |
| C | Moderate preload level, balancing rigidity, speed, and operational life. |
7032 ACD/P4ATBTC Bearing Structural Features & Performance Benefits
- High Rigidity & Stability: The triplex back-to-back (TBT) matched set creates an extremely rigid bearing system, effectively resisting complex moment loads and shaft deflection, which is critical for maintaining precision in machining and positioning.
- Superior Load Capacity: With a 25° contact angle and three-bearing arrangement, this set offers an exceptional radial dynamic load rating of 89,325 lbf and static load rating of 139,500 lbf, making it suitable for heavy combined loads.
- Optimized High-Speed Performance: The lightweight and durable phenolic cage minimizes centrifugal forces, reduces friction, and allows for a high limiting speed of 6,300 rpm. The pre-applied lubrication ensures consistent performance at these speeds.
- Precision Engineering: Manufactured to P4A tolerance class with tight dimensional controls on bore, OD, and width, this bearing guarantees high running accuracy, reduced vibration, and extended service life in precision applications.
7032 ACD/P4ATBTC Bearing Typical Application Areas
This bearing is engineered for high-performance machinery where precision, speed, and rigidity are non-negotiable. Key applications include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Gearboxes: Industrial robotics and automation systems.
- High-Frequency Motors and Spindles: Applications requiring minimal runout at high rotational speeds.
- Medical and Laboratory Equipment: Centrifuges and high-accuracy imaging devices.
