7024 CD/P4ATBTD
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7024 CD/P4ATBTD
Basic Information
System of measurement
Metric
Weight
6.39 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
120 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
180 mm
Outside diameter tolerance
-0.004mm to 0
Width
84 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
19.05 mm
Ball quantity
22
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
56475 lbf
Radial static load rating
82125 lbf
Limiting speed
16 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
Heavy / Class D
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
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7024 CD/P4ATBTD Bearing Product Overview & Core Advantages
The 7024 CD/P4ATBTD is a precision angular contact ball bearing specifically designed for demanding industrial applications requiring exceptional rigidity and load capacity. This triplex back-to-back (TBT) matched set offers superior performance under combined loads and is preloaded to Heavy / Class D standards, ensuring maximum system stiffness and rotational accuracy. Manufactured to P4A tolerance class, it is ideal for high-precision, high-reliability machinery where minimal deflection is critical.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| 7024 | Basic bearing series, indicating a 120 mm bore, 180 mm OD, and 84 mm width. |
| CD | Specifies a 15° contact angle and special internal design. |
| P4A | Indicates a high-precision tolerance class for superior running accuracy. |
| TBT | Denotes a Triplex Back-to-Back matched arrangement of three bearings. |
7024 CD/P4ATBTD Bearing Structural Features & Performance Benefits
- Exceptional Rigidity & Load Capacity: The triplex back-to-back configuration creates an extremely rigid bearing system capable of withstanding heavy combined radial and axial loads from both directions. The Heavy preload (Class D) eliminates internal clearance, maximizing stiffness and minimizing shaft deflection under load.
- High-Precision Performance: Manufactured to P4A tolerance class with tight dimensional control on bore, outside diameter, and width, ensuring precise shaft positioning and smooth, accurate rotation.
- Optimized High-Speed Capability: The lightweight phenolic resin cage reduces centrifugal forces, contributing to stable operation at high speeds, with a limiting speed of 16,000 rpm.
- Durable Construction: Components made from chrome steel provide high hardness and wear resistance, while the specified lubrication ensures reliable operation within a temperature range of -30°C to 110°C.
7024 CD/P4ATBTD Bearing Typical Application Areas
This bearing is engineered for high-performance applications, including:
- Machine Tool Spindles (e.g., milling, grinding, and turning centers)
- High-Precision Gearboxes and Transmission Systems
- Industrial Pumps and Compressors
- Robotic Arm Joints and Precision Rotary Axes
