SF045AR0
3/4" Stainless Steel Constant Section Bearings
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Part No.
Part No.
SF045AR0
Basic Information
Bearing type
Ball
System of measurement
Inch
Thin section bearings type
Reali-Slim Stainless Steel
Construction
Single Row
Weight
2.14 lbs
Tolerance class
ABEC-1
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
4.5"
Bore diameter tolerance
-0.0008"– 0"
Outside diameter
6"
Outside diameter tolerance
-0.0008"– 0"
Width
0.75"
Width tolerance
+.000 –.005"
Contact angle
30 °
Inner Ring Dimensions
Shoulder diameter inner ring
5.055"
Outer Ring Dimensions
Outer ring large-side face inner diameter
5.615"
Outer ring small-side face inner diameter
5.445"
Performance
Temperature range
-30°C to 110 °C
Radial dynamic load rating
3966 lbf
Radial static load rating
7090 lbf
Axial static load rating
9050 lbf
Static load moment
20460 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:
$ 303.59
/ each
In Stock
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SF045AR0 Bearing Product Overview & Core Advantages
The SF045AR0 is a thin-section angular contact ball bearing engineered for applications demanding high precision and space optimization. Manufactured from stainless steel with a 30° contact angle, this single-row bearing is specifically designed to support combined loads, efficiently handling both radial and substantial axial loads in one direction. Its Reali-Slim cross-section provides a high load capacity within a minimal envelope, making it ideal for compact, weight-sensitive designs requiring high rigidity and reliable performance.
SF045AR0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| SF | Indicates the Reali-Slim thin-section bearing series. |
| 045 | Specifies the bore diameter of 4.5 inches. |
| A | Denotes the 30° contact angle. |
| R0 | Specifies a standard radial internal clearance and Open (unsealed) construction. |
SF045AR0 Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The single-row angular contact design, combined with a 30° contact angle and a brass cage, provides excellent rigidity and can support high combined loads. It offers a radial dynamic load rating of 3966 lbf and a significant axial static load rating of 9050 lbf.
- Precision & Stability: Built to ABEC-1 precision tolerances with tight dimensional control on bore, outside diameter, and width, ensuring consistent performance and ease of integration into precision assemblies.
- Corrosion Resistance & Longevity: The bearing rings and balls are constructed from stainless steel, providing excellent corrosion resistance for use in harsh environments and contributing to a long service life.
- Optimized for High-Speed Operation: The combination of the brass cage, precision grinding, and a controlled radial internal clearance promotes smooth operation and is suitable for high-speed applications.
SF045AR0 Bearing Typical Application Areas
This bearing is ideally suited for a range of demanding applications, including:
- Aerospace & Defense: Gimbals, rotor heads, and control mechanisms.
- Semiconductor Manufacturing: Robotic arms, wafer handling systems, and precision stages.
- Medical Equipment: MRI and CT scanners, surgical robots.
- Industrial Automation: High-precision rotary tables, robotic joints, and indexing drives.
