7036 CDGA/P4A

7000 Series Super Precision Angular Contact Ball Bearings

7036 CDGA/P4A 7000 Series Super Precision Angular Contact Ball Bearings
7036 CDGA/P4A 7000 Series Super Precision Angular Contact Ball Bearings

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Part No.
Part No. 7036 CDGA/P4A

Basic Information

System of measurement Metric
Weight 9.11 kg
Tolerance class P4A
Seal type Open
For load direction Angular Contact

Main Dimensions

Bore diameter 180 mm
Bore diameter tolerance -0.004mm to 0
Outside diameter 280 mm
Outside diameter tolerance -0.004mm to 0
Width 46 mm
Width tolerance -0.2mm to 0
Contact angle 15 °

Ball & Washer Dimensions

Ball diameter 30.162 mm
Ball quantity 21

Performance

Temperature range - 30°C to 110 °C
Radial dynamic load rating 54450 lbf
Radial static load rating 65250 lbf
Limiting speed 16.25 X 1000 rpm
Lubrication Lubricated
Matched arrangement Single
Number of bearings in matched set 3
Universal matching bearing Universal Matchable (SU)
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: $ 1623.27 / each
In Stock

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7036 CDGA/P4A Bearing Product Overview & Core Advantages

The 7036 CDGA/P4A is a single-row angular contact ball bearing engineered for ultra-high precision applications. Operating under P4A tolerance class with an Extra Light (Class A) preload, it delivers exceptional rotational accuracy and system rigidity. Its 15° contact angle is optimized for handling combined loads, particularly substantial axial loads in one direction, while maintaining superior running stability. The phenolic resin cage and premium chrome steel construction contribute to its high-speed capability and long service life, making it an ideal choice for demanding machine tool spindles and other precision equipment.

7036 CDGA/P4A Bearing Model Code Explained, Specifications & Naming Convention

Code Segment Technical Meaning
7036 Standard bore diameter (180 mm) and dimension series.
C 15° nominal contact angle.
DG Universal Matchable (SU) bearing. Can be mounted in tandem, back-to-back, or face-to-face arrangements with other universal match bearings to achieve specific stiffness and load-carrying characteristics.
A Extra Light preload (Class A). Provides minimal internal clearance for high rigidity and precise shaft positioning.
/P4A High-Precision Tolerance Class. Exceeds standard ABEC 7/ISO P4 tolerances, ensuring extremely tight dimensional and running accuracy for the most demanding applications.

7036 CDGA/P4A Bearing Structural Features & Performance Benefits

  • High Rigidity and Precision: The combination of P4A tolerance class and Class A preload ensures minimal internal clearance, resulting in exceptional system stiffness, reduced vibration, and superior running accuracy for machine tool spindles.
  • Optimized Load Capacity: The 15° contact angle is specifically designed to handle significant combined radial and axial loads efficiently, with a high dynamic load rating of 54,450 lbf.
  • Superior High-Speed Performance: The lightweight and robust phenolic resin cage is engineered for high rotational speeds, providing excellent dimensional stability and low friction. This allows the bearing to achieve a limiting speed of 16,250 rpm.
  • Universal Matching Capability (SU): As a Universal Matchable bearing, the 7036 CDGA/P4A can be supplied in sets (typically 3 bearings) that are precision-matched. This allows for simplified installation and optimal performance in preloaded arrangements without the need for selective mounting.

7036 CDGA/P4A Bearing Typical Application Areas

This high-precision angular contact ball bearing is predominantly used in applications where extreme accuracy, high speed, and rigidity are paramount. Key industries and equipment include:
  • Machine Tool Spindles: High-speed milling, grinding, and turning centers.
  • Precision Spindles: For PCB drilling, semiconductor manufacturing, and other high-accuracy machining processes.
  • High-Frequency Motors: Spindles for routers and other high-RPM electric motors.
  • Medical Equipment: High-speed centrifuges and precision surgical tools.
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