7007 ACE/HCP4ATBTB
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
7007 ACE/HCP4ATBTB
Basic Information
System of measurement
Metric
Weight
0.4 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
35 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
62 mm
Outside diameter tolerance
-0.004mm to 0
Width
42 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
7.144 mm
Ball quantity
17
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
5265 lbf
Radial static load rating
4275 lbf
Limiting speed
56 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
Light / Class B
Materials
Ring material
Chrome Steel
Ball material
Ceramic
Cage material
Phenolic
Technical Drawings
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7007 ACE/HCP4ATBTB Bearing Product Overview & Core Advantages
The 7007 ACE/HCP4ATBTB is a high-precision angular contact ball bearing designed for demanding applications requiring exceptional rigidity and speed capabilities. This matched triplex set in a Back-to-Back (TBT) arrangement provides superior stability and can accommodate combined radial and axial loads. Manufactured to P4A tolerance class with a 25° contact angle and ceramic balls, it delivers outstanding rotational accuracy, low heat generation, and extended service life in high-performance machinery.
7007 ACE/HCP4ATBTB Bearing Model Code Explained, Specifications & Naming Convention
The model number 7007 ACE/HCP4ATBTB is decoded as follows:
- 7007: Basic series number, indicating a 35mm bore, 62mm OD, and 14mm width per single bearing.
- ACE: Designates specific internal design features for high performance.
- HC: Likely indicates a High-Capacity design.
- P4A: Denotes a super-precision tolerance class for exceptional running accuracy.
- TBT: Specifies a Triplex Back-to-Back matched set of three bearings.
- B: Indicates a Light preload (Class B) for optimal rigidity and minimal deflection.
7007 ACE/HCP4ATBTB Bearing Structural Features & Performance Benefits
- Exceptional Rigidity & Stability: The triplex back-to-back (TBT) arrangement creates a statically determinate setup that provides maximum resistance to moment loads and shaft deflection, ensuring high rigidity and precise shaft positioning.
- Superior High-Speed Performance: The combination of ceramic balls (lower density, reduced centrifugal force) and a phenolic resin cage (lightweight with excellent slip characteristics) enables a high limiting speed of 56,000 rpm, making it an ideal high-speed bearing.
- High Load Capacity: With a dynamic load rating of 5265 lbf and a static load rating of 4275 lbf, this bearing set is engineered to handle significant combined radial and axial loads simultaneously.
- Precision & Longevity: The P4A tolerance class guarantees ultra-precise dimensions and runout, while the chrome steel rings and ceramic balls offer high wear resistance and durability, contributing to a long operational life.
7007 ACE/HCP4ATBTB Bearing Typical Application Areas
This precision bearing set is specifically engineered for high-end applications where accuracy, speed, and rigidity are paramount. Key industries and equipment include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Robotics: Arm joints and high-accuracy rotary axes.
- Aerospace & Defense Systems: Gyroscopes, radar platforms, and flight control actuators.
- High-Frequency Motors & Spindles: Motors for PCB drilling and semiconductor manufacturing equipment.
