7014 CD/P4ATBTA
7000 Series Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
7014 CD/P4ATBTA
Basic Information
System of measurement
Metric
Weight
1.79 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
70 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
110 mm
Outside diameter tolerance
-0.004mm to 0
Width
60 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
12.7 mm
Ball quantity
19
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
24975 lbf
Radial static load rating
30825 lbf
Limiting speed
22 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
Extra light / Class A
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
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
7014 CD/P4ATBTA Bearing Product Overview & Core Advantages
The **7014 CD/P4ATBTA** is a **precision angular contact ball bearing** configured as a **triplex back-to-back (TBT) matched set**. Engineered for applications demanding exceptional rotational accuracy and rigidity, this bearing set is manufactured to **P4A tolerance class** for superior running precision. Its primary advantage lies in its ability to handle **combined loads**—significant radial loads and axial loads in both directions—simultaneously. The matched **triplex back-to-back arrangement** provides extremely high system rigidity and moment load capacity, making it ideal for high-precision, high-stiffness applications such as machine tool spindles.
7014 CD/P4ATBTA Bearing Model Code Explained, Specifications & Naming Convention
The model number **7014 CD/P4ATBTA** breaks down as follows:
- 7014: Basic series number, indicating a 70mm bore, 110mm OD, and 20mm single width.
- C: Denotes a **15° contact angle**, optimized for high-speed operation.
- D: Indicates an enhanced internal design for increased load capacity.
- P4A: Specifies a very high **precision tolerance class** (superior to ABEC 7).
- TB: Signifies the bearings are **universally matched** in a "Back-to-Back" arrangement.
- T: Indicates a **triplex set**, consisting of three individual bearings.
- A: Denotes an **Extra Light (Class A) preload** applied to the set for optimal rigidity and running accuracy.
7014 CD/P4ATBTA Bearing Structural Features & Performance Benefits
- High Rigidity & Moment Load Capacity: The **triplex back-to-back (TBT) matched arrangement** creates a statically determinate setup that provides maximum system rigidity and excellent resistance to moment loads, which is critical for maintaining precision under heavy cutting forces.
- Superior Precision: Manufactured to **P4A tolerance class**, these bearings ensure minimal runout and vibration, contributing to superior surface finishes and machining accuracy.
- Optimized High-Speed Performance: The **15° contact angle** and lightweight **phenolic cage** reduce centrifugal forces and friction, enabling high **limiting speeds** (22,000 rpm).
- High Load Capacity: The **enhanced internal design (D)** and use of high-grade **chrome steel** for rings and balls result in high **dynamic (24,975 lbf)** and **static (30,825 lbf) load ratings**.
- Pre-Configured for Performance: The set comes with a defined **Extra Light preload (Class A)**, eliminating the need for complex on-site preload adjustment and ensuring immediate, optimal performance upon installation.
7014 CD/P4ATBTA Bearing Typical Application Areas
This bearing set is specifically designed for the most demanding high-precision machinery, including:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Spindles: PCB drilling machines and high-frequency motor spindles.
- Industrial Pumps & Compressors Applications requiring high axial and radial stiffness.
