7017 ACD/P4ATBTA
7000 Series Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
7017 ACD/P4ATBTA
Basic Information
System of measurement
Metric
Weight
2.69 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
85 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
130 mm
Outside diameter tolerance
-0.004mm to 0
Width
66 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
14.288 mm
Ball quantity
21
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
31050 lbf
Radial static load rating
41850 lbf
Limiting speed
17 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
Price:
$ 635.19
/ each
In Stock
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7017 ACD/P4ATBTA Bearing Product Overview & Core Advantages
The 7017 ACD/P4ATBTA is a precision angular contact ball bearing designed for demanding applications requiring exceptional rigidity and accuracy. This bearing is supplied as a triplex back-to-back (TBT) matched set of three individual bearings, enabling it to handle significant combined loads—simultaneous radial and axial forces. Manufactured to the stringent P4A tolerance class, it offers superior running accuracy and dimensional stability. The combination of a 25° contact angle and an extra light preload (Class A) makes it ideally suited for high-speed spindles and other precision machinery where minimal deflection and high operational reliability are paramount.
7017 ACD/P4ATBTA 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 with enhanced dimensional and running accuracy requirements. |
| TBT | Specifies the bearing is part of a Triplex Back-to-Back matched set arrangement. |
| A | Denotes an Extra Light Preload (Class A) for reduced friction and optimal high-speed performance. |
7017 ACD/P4ATBTA Bearing Structural Features & Performance Benefits
- Exceptional Rigidity and Load Capacity: The triplex back-to-back (TBT) arrangement creates a highly rigid bearing system capable of withstanding heavy combined loads and moments. This configuration significantly increases the overall system stiffness, which is critical for maintaining precision under load.
- High-Speed Capability: The phenolic resin cage is lightweight and robust, contributing to lower centrifugal forces and smoother operation at the limiting speed of 17,000 rpm. The 25° contact angle is optimized for high-speed performance while effectively managing axial loads.
- Precision Engineering: Conforming to the P4A tolerance class, this bearing ensures minimal runout and vibration, leading to superior performance in precision applications. The tight dimensional tolerances on the bore diameter and outside diameter guarantee a precise fit.
- Premium Material Construction: Manufactured from chrome steel for both rings and balls, the bearing provides high durability, wear resistance, and a long operational life under demanding conditions.
7017 ACD/P4ATBTA Bearing Typical Application Areas
- Machine Tool Spindles: High-speed milling, grinding, and turning centers requiring maximum rigidity and accuracy.
- Precision Gearboxes: Applications where low noise, high speed, and precise torque transmission are essential.
- High-Frequency Motors and Spindles: Used in applications demanding minimal rotational vibration and high rotational accuracy.
- Industrial Pumps and Compressors: For shafts subjected to significant radial and axial forces.
