7010 ACD/P4ALDGA
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7010 ACD/P4ALDGA
Basic Information
System of measurement
Metric
Weight
0.51 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
50 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
80 mm
Outside diameter tolerance
-0.004mm to 0
Width
32 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
9.525 mm
Ball quantity
18
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
10395 lbf
Radial static load rating
10462 lbf
Limiting speed
46 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Universal Matchable (SU)
Number of bearings in matched set
2
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
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7010 ACD/P4ALDGA Bearing Product Overview & Core Advantages
The 7010 ACD/P4ALDGA is a precision angular contact ball bearing designed for applications demanding exceptional accuracy and rigidity. Engineered to a P4A tolerance class, it offers superior running accuracy and dimensional stability. Its 25° contact angle and Universal Matchable (SU) design enable it to accommodate combined radial and axial loads simultaneously. This bearing is pre-lubricated and features an Extra light preload (Class A), making it ideal for high-speed, high-precision spindles and other critical machinery where minimal deflection and reliable performance are paramount.
7010 ACD/P4ALDGA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| ACD | Angular Contact Design with a 25° contact angle. |
| P4A | Indicates a high-precision tolerance class for superior dimensional and running accuracy. |
| LD | Signifies Light Preload (in this context, Class A/Extra Light), which minimizes deflection for enhanced rigidity. |
| GA | Denotes a universally matchable (SU) bearing that can be paired in any combination to form a pre-loaded set. |
7010 ACD/P4ALDGA Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: Manufactured to P4A tolerance standards with an Extra light preload, this bearing provides exceptional stiffness and minimizes operational runout, which is critical for high-precision applications.
- Superior Load Capacity: The 25° contact angle is optimized to handle significant combined loads, efficiently managing both radial forces and thrust loads in one direction.
- Optimized High-Speed Performance: The lightweight phenolic resin cage ensures stability and reduces centrifugal forces, contributing to a high limiting speed of 46,000 rpm. The open design allows for efficient lubrication management.
- Universal Matching Capability: As a Universal Matchable (SU) bearing, two 7010 ACD/P4ALDGA units can be mounted together in a back-to-back, face-to-face, or tandem arrangement to create a pre-loaded set that accommodates complex load conditions.
7010 ACD/P4ALDGA Bearing Typical Application Areas
This precision angular contact ball bearing is ideally suited for demanding applications, including:
- Machine Tool Spindles (High-speed milling, grinding)
- Precision Spindles in PCB drilling and routing machines
- High-Frequency Motors
- Robotic Arm Joints and Precision Gearboxes
- Medical and Dental Equipment requiring high rotational accuracy
