SD070AR0
1/2" Stainless Steel Constant Section Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
SD070AR0
Basic Information
Bearing type
Ball
System of measurement
Inch
Thin section bearings type
Reali-Slim Stainless Steel
Construction
Single Row
Weight
1.33 lbs
Tolerance class
ABEC-1
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
7"
Bore diameter tolerance
-0.0010" – 0"
Outside diameter
8"
Outside diameter tolerance
-0.0012" – 0"
Width
0.5"
Width tolerance
+.000 –.005"
Contact angle
30 °
Inner Ring Dimensions
Shoulder diameter inner ring
7.37"
Outer Ring Dimensions
Outer ring large-side face inner diameter
7.736"
Outer ring small-side face inner diameter
7.63"
Performance
Temperature range
-30°C to 110 °C
Radial dynamic load rating
2442 lbf
Radial static load rating
5920 lbf
Axial static load rating
5990 lbf
Static load moment
17100 lbf
Lubrication
Lubricated
Radial internal clearance
0.0000 – 0.0005"
Materials
Ring material
Stainless Steel
Ball material
Stainless Steel
Cage material
Brass
Environment & Compliance
ROHS
Compliant
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 326.24
/ each
In Stock
- Fast delivery
- Free shipping on orders over $200
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
SD070AR0 Bearing Product Overview & Core Advantages
The SD070AR0 is a high-performance thin section angular contact ball bearing engineered for precision applications requiring exceptional rigidity and accuracy. Manufactured from stainless steel with a brass cage, this bearing is designed to handle significant combined loads, including high thrust loads in one direction due to its 30° contact angle. Its compact, single row design in the Reali-Slim series offers a superior strength-to-cross-section ratio, making it ideal for space-constrained, high-reliability machinery. The open design and ABEC-1 precision ensure smooth operation and are suitable for systems where low friction and high rotational accuracy are paramount.
SD070AR0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| SD | Indicates the bearing is part of the Reali-Slim series with a specific internal design for thin-section applications. |
| 070 | Specifies the bore diameter of 7 inches. |
| A | Denotes a 30° contact angle, optimized for handling high axial loads. |
| R0 | Signifies a standard radial internal clearance and an open (unsealed) construction. |
SD070AR0 Bearing Structural Features & Performance Benefits
- High Rigidity and Load Capacity: The single row angular contact design, combined with a 30° contact angle, provides high rigidity and enables the bearing to support substantial combined radial and axial loads. The high static load ratings (Radial: 5920 lbf, Axial: 5990 lbf) ensure stability in demanding applications.
- Precision Engineering: Built to ABEC-1 tolerance class with tight dimensional control on the bore diameter, outside diameter, and width, guaranteeing consistent performance and ease of integration into precision assemblies.
- Corrosion Resistance and Durability: The rings and balls manufactured from stainless steel offer excellent corrosion resistance, while the brass cage provides strength and stability at moderate speeds, contributing to a long service life.
- Optimized for Thin-Section Applications: As part of the Reali-Slim family, this bearing delivers maximum performance with minimal cross-section, saving weight and space without compromising on load carrying capacity.
SD070AR0 Bearing Typical Application Areas
- Robotics and Automation: Ideal for robotic arm joints, rotary tables, and precision actuators where space, weight, and accuracy are critical.
- Aerospace and Defense: Used in guidance systems, radar platforms, and satellite mechanisms that require high reliability and corrosion-resistant components.
- Medical Equipment: Suitable for CT scanners, surgical robots, and other medical devices demanding smooth, precise, and clean operation.
- Semiconductor Manufacturing: Applied in wafer handling robots and precision stages that operate in cleanroom environments.
