7014 ACD/P4ADBB
7000 Series Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
7014 ACD/P4ADBB
Basic Information
System of measurement
Metric
Weight
1.19 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
40 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
12.7 mm
Ball quantity
19
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
17842 lbf
Radial static load rating
19462 lbf
Limiting speed
29 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Duplex Back-to-Back (DB)
Number of bearings in matched set
2
Universal matching bearing
No (Standard)
Preload
Light / Class B
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 309.13
/ each
In Stock
- Fast delivery
- Free shipping on orders over $200
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
7014 ACD/P4ADBB Bearing Product Overview & Core Advantages
The 7014 ACD/P4ADBB is a precision duplex angular contact ball bearing designed for applications demanding exceptional rigidity and running accuracy. This matched set in a back-to-back (DB) arrangement is preloaded to Light / Class B specifications, providing superior stability and minimizing axial and radial runout. Its 25° contact angle and duplex configuration enable it to withstand combined loads—significant radial and bidirectional axial forces simultaneously. Manufactured to a P4A tolerance class, this bearing is ideal for high-precision, high-rigidity applications requiring dependable performance.
7014 ACD/P4ADBB Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7014 | Basic bearing designation indicating a 70 mm bore, 110 mm outside diameter, and 40 mm width. |
| ACD | Angular Contact, Duplex arrangement. "D" specifies a Back-to-Back (DB) mounting. |
| P4A | High precision tolerance class, exceeding ABEC 7 standards, for enhanced running accuracy. |
| DBB | Universal Match designation indicating the set is supplied pre-matched and preloaded for immediate installation. |
7014 ACD/P4ADBB Bearing Structural Features & Performance Benefits
- High Rigidity & Stability: The duplex back-to-back design and light preload create a rigid bearing system that effectively resists moment loads, ensuring precise shaft positioning and minimal deflection under operational stresses.
- Superior Load Capacity: The 25° contact angle and optimized internal geometry provide excellent capability for handling combined radial and axial loads from both directions.
- High-Speed Capability: The lightweight and robust phenolic resin cage ensures stable operation and guides the balls effectively, contributing to the high limiting speed of 29,000 rpm.
- Precision Performance: Manufactured to P4A tolerance class with tight dimensional control on all bearing dimensions (bore, OD, width), this set guarantees smooth, quiet, and accurate rotation.
- Durable Construction: Components made from chrome steel for rings and balls offer high hardness, wear resistance, and long service life.
7014 ACD/P4ADBB Bearing Typical Application Areas
This bearing is engineered for high-performance machinery where precision and rigidity are paramount. Key applications include:
- Machine Tool Spindles: For milling, grinding, and turning centers requiring high speed and accuracy.
- Precision Gearboxes: Providing rigid support for shafts in high-torque, high-speed transmission systems.
- Industrial Pumps and Compressors: Where reliable operation under combined loads is essential.
- High-Frequency Motors and Spindles: Applications demanding minimal runout and high rotational stability.
