7017 ACD/P4ATGB
7000 Series Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
7017 ACD/P4ATGB
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
Universal Matchable (SU)
Number of bearings in matched set
3
Universal matching bearing
Universal Matchable (SU)
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
In Stock
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7017 ACD/P4ATGB Bearing Product Overview & Core Advantages
The 7017 ACD/P4ATGB is a precision angular contact ball bearing manufactured to P4A tolerance class for exceptional dimensional and running accuracy. Engineered with a 25° contact angle and light preload (Class B), it is optimized to handle combined loads—significant radial and axial loads simultaneously. Its universal matchable (SU) design allows bearings to be mounted in any combination (face-to-face, back-to-back, or tandem) without preload variation, offering superior design flexibility for high-rigidity and high-speed applications.
7017 ACD/P4ATGB Bearing Model Code Explained, Specifications & Naming Convention
The suffix codes in 7017 ACD/P4ATGB define its technical specifications:
- ACD: Contact Angle of 25° and High-Precision Design.
- P4A: Dimensional and running accuracy tolerance class superior to ABEC-7 (equivalent to ISO P4), with enhanced width and radial runout tolerances.
- TGB: Phenolic (Textolite) Cage Material. This lightweight cage contributes to lower inertia, reduced friction, and superior performance at high speeds.
7017 ACD/P4ATGB Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The angular contact design and universal matching capability enable the bearing to be arranged in sets, creating a highly rigid system that supports heavy combined loads and moments.
- High-Speed Performance: The lightweight phenolic cage (TGB) ensures stable operation and low centrifugal forces, enabling the bearing to achieve its high limiting speed of 17,000 rpm.
- Precision Operation: Manufactured to P4A tolerance class with tight bore, outer diameter, and width tolerances, this bearing guarantees minimal runout and vibration for smooth, precise rotation.
- Optimized Internal Geometry: With 21 precision balls of 14.288 mm diameter and a 25° contact angle, the bearing provides an optimal balance between radial capacity and axial thrust capacity.
7017 ACD/P4ATGB Bearing Typical Application Areas
This bearing is ideally suited for high-precision, high-speed machinery, including:
- Machine Tool Spindles
- High-Frequency Motors
- Precision Grinding Spindles
- Industrial Pumps and Compressors
- Aerospace Positioning Systems
