S7006 ACB/HCP4A
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S7006 ACB/HCP4A
Basic Information
System of measurement
Metric
Weight
0.13 kg
Tolerance class
P4 (ABEC-7)
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
30 mm
Bore diameter tolerance
-0.005mm to 0
Outside diameter
55 mm
Outside diameter tolerance
-0.007mm to 0
Width
13 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
4.762 mm
Ball quantity
20
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
1390 lbf
Radial static load rating
878 lbf
Limiting speed
40 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Preload
Available
Materials
Ring material
Chrome Steel
Ball material
Ceramic
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 171.75
/ each
In Stock
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S7006 ACB/HCP4A Bearing Product Overview & Core Advantages
The S7006 ACB/HCP4A is a precision angular contact ball bearing engineered for demanding applications requiring exceptional rotational accuracy and rigidity. This single-row bearing features a 25° contact angle and is supplied with a preload, making it ideal for setups where high stiffness and minimal axial/radial deflection are critical. Its combination of a ceramic ball material and P4 (ABEC-7) tolerance class ensures superior performance in high-speed and high-precision environments, offering reliable operation under combined radial and axial loads.
S7006 ACB/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Advantage |
|---|---|---|
| ACB | Angular Contact Bearing | Optimized for combined loads with a defined contact angle. |
| HCP4A | Hybrid Ceramic, P4 Precision, Preloaded | Indicates the use of ceramic balls for higher speed and durability, P4 super-precision tolerance, and a factory-applied preload for immediate high rigidity. |
S7006 ACB/HCP4A Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: The 25° contact angle and factory-set preload significantly increase system stiffness, reducing runout and vibration for exceptional positional accuracy.
- Superior High-Speed Performance: The hybrid ceramic balls (silicon nitride) are lighter and harder than steel, reducing centrifugal forces and enabling a higher limiting speed. The phenolic cage offers excellent strength-to-weight ratio and smooth operation at high RPMs.
- Enhanced Durability and Life: Ceramic balls are electrically resistant and less prone to wear, leading to extended bearing service life, especially in challenging environments.
- Pre-Lubricated and Sealed: The bearing comes lubricated and sealed from the factory, protecting against contamination and providing maintenance-free operation within its specified temperature range.
S7006 ACB/HCP4A Bearing Typical Application Areas
This bearing is specifically designed for high-performance machinery, including:
- Machine Tool Spindles: For high-speed milling, grinding, and turning centers requiring utmost precision and rigidity.
- High-Frequency Motors and Spindles: Where the benefits of ceramic balls for speed and reduced friction are critical.
- Precision Robotic Drives: In joints and actuators demanding high accuracy and responsiveness.
- Aerospace and Semiconductor Manufacturing Equipment: Applications needing reliable, high-speed rotation in controlled environments.
