7013 CDGB/P4A
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7013 CDGB/P4A
Basic Information
System of measurement
Metric
Weight
0.43 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
18 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
11.112 mm
Ball quantity
20
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
9360 lbf
Radial static load rating
8438 lbf
Limiting speed
24 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Number of bearings in matched set
4
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
Price:
$ 131.38
/ each
In Stock
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7013 CDGB/P4A Bearing Product Overview & Core Advantages
The 7013 CDGB/P4A is a high-precision angular contact ball bearing designed for applications demanding exceptional accuracy and reliability. As a single bearing with a Universal Matchable (SU) designation, it can be precisely paired with other bearings to form optimized matched sets. Its core advantages include the ability to accommodate combined loads (radial and axial), operation at high speeds up to 24,000 rpm, and superior running accuracy ensured by its P4A tolerance class. The light preload (Class B) minimizes deflection under load, making it ideal for high-rigidity spindles and other precision machinery.
7013 CDGB/P4A Bearing Model Code Explained, Specifications & Naming Convention
The model number 7013 CDGB/P4A provides detailed technical specifications:
- 7013: Basic bearing series and size code (65mm bore, 100mm OD, 18mm width).
- C: Denotes a 15° contact angle, optimized for high-speed applications with significant axial loads.
- D: Indicates the bearing is supplied with a light preload (Class B).
- GB: Specifies a phenolic (resin) cage, which offers low weight, high strength, and excellent performance at high speeds.
- P4A: Represents an ultra-precision tolerance class with enhanced running accuracy and dimensional stability.
7013 CDGB/P4A Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: Manufactured to P4A tolerance standards with a 15° contact angle and light preload, this bearing provides superior rotational accuracy and stiffness, minimizing system vibration and deflection.
- Combined Load Capacity: The angular contact design efficiently supports combined radial and axial loads simultaneously, a critical requirement for machine tool spindles.
- High-Speed Performance: The lightweight phenolic cage (GB) reduces centrifugal forces, while the optimized internal geometry allows for a high limiting speed of 24,000 rpm.
- Universal Matching: As a Universal Matchable (SU) bearing, it can be universally paired with other bearings of the same type to create pre-configured sets (up to 4 bearings) that share the load evenly and enhance system stability.
- Durable Construction: Components made from chrome steel for rings and balls ensure high durability and a long operational life under demanding conditions.
7013 CDGB/P4A Bearing Typical Application Areas
This precision angular contact ball bearing is ideally suited for high-performance applications, including:
- Machine Tool Spindles (milling, grinding, and lathe spindles)
- High-Frequency Motors
- Precision Gearboxes
- Industrial Pumps and Compressors
- Aerospace and Defense Positioning Systems
