7013 CE/HCP4ATBTB
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
7013 CE/HCP4ATBTB
Basic Information
System of measurement
Metric
Weight
1.18 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
65 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
100 mm
Outside diameter tolerance
-0.004mm to 0
Width
54 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
8.731 mm
Ball quantity
25
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
9945 lbf
Radial static load rating
10462 lbf
Limiting speed
31 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
No drawings available at the moment, will be launched soon
In Stock
Price available upon request.
Our sales team will respond within 24 hours with a competitive quote tailored to your requirements.
REQUEST A QUOTE
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
7013 CE/HCP4ATBTB Bearing Product Overview & Core Advantages
The 7013 CE/HCP4ATBTB is a high-precision angular contact ball bearing supplied as a triplex back-to-back (TBT) matched set. Engineered for ultimate performance, this set combines three individual bearings to deliver exceptional system rigidity and the capacity to handle complex combined loads (radial and axial). Manufactured to the exacting P4A tolerance class, it is the ideal solution for high-speed, high-accuracy applications demanding maximum stability and minimal runout.
7013 CE/HCP4ATBTB Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Technical Meaning |
|---|---|
| 7013 | Standard bearing series designation, indicating a 65 mm bore, 100 mm OD, and 18 mm single bearing width. |
| CE | Indicates a 15° contact angle, optimized for high-speed operation and high axial load capacity. |
| HC | Refers to the Hybrid Ceramic construction, featuring a steel ring and ceramic balls for reduced friction, higher speed capability, and longer service life. |
| P4A | Denotes an ABEC 7 / ISO P4 precision class with additional tolerance restrictions on width and runout for superior rotational accuracy. |
| TBT | Specifies the Triplex Back-to-Back matched arrangement. Three bearings are pre-matched to share loads and provide maximum moment rigidity. |
7013 CE/HCP4ATBTB Bearing Structural Features & Performance Benefits
- Unmatched Rigidity & Moment Load Capacity: The triplex back-to-back (TBT) configuration creates an extremely stiff bearing system, capable of resisting significant moment loads and shaft deflection, which is critical for maintaining precision under heavy cutting forces or operational stresses.
- Hybrid Ceramic Performance: The use of ceramic balls (Silicon Nitride) within a chrome steel ring structure significantly reduces centrifugal forces, lowers operating temperature, and allows for a limiting speed of 31,000 rpm. This also provides electrical insulation and enhanced durability.
- High-Speed Optimized Design: The combination of the 15° contact angle and a lightweight phenolic cage ensures stable operation at very high rotational speeds, minimizing friction and heat generation.
- Precision & Light Preload: Supplied as a matched set with a Light Preload (Class B), the bearings are ready for installation without additional adjustment, ensuring consistent, precise performance with minimal runout from the start.
7013 CE/HCP4ATBTB Bearing Typical Application Areas
This high-performance triplex bearing set is specifically designed for the most demanding applications, including:
- High-Frequency Machine Tool Spindles: For CNC milling, grinding, and drilling centers where high rigidity, speed, and accuracy are paramount.
- Precision Robotic Drives: Used in high-accuracy robot arm joints and servo motors.
- Advanced Aerospace Systems: In gyroscopes, navigation systems, and other critical flight components.
- High-Speed Turbomachinery: Including compressors and small gas turbines that operate at extreme rotational speeds.
