SF180XP0
3/4" Stainless Steel Constant Section Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
SF180XP0
Basic Information
Bearing type
Ball
System of measurement
Inch
Thin section bearings type
Reali-Slim Stainless Steel
Construction
Single Row
Weight
7.9 lbs
Tolerance class
ABEC-1
Seal type
Open
For load direction
Four Point Contact
Main Dimensions
Bore diameter
18"
Bore diameter tolerance
-0.0016"– 0"
Outside diameter
19.5"
Outside diameter tolerance
-0.0016"– 0"
Width
0.75"
Width tolerance
+.000 –.010"
Inner Ring Dimensions
Shoulder diameter inner ring
18.555"
Outer Ring Dimensions
Outer ring small-side face inner diameter
18.945"
Performance
Temperature range
-30°C to 110 °C
Radial dynamic load rating
10028 lbf
Radial static load rating
21160 lbf
Axial dynamic load rating
17060 lbf
Axial static load rating
52900 lbf
Dynamic load moment
70537 lbf
Static load moment
198400 lbf
Rated load moment
70 ft-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:
$ 2078.51
/ each
In Stock
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SF180XP0 Bearing Product Overview & Core Advantages
The SF180XP0 is a Four Point Contact thin section bearing engineered for applications requiring precise motion control and space optimization. Manufactured with stainless steel rings and balls, this single row ball bearing offers superior corrosion resistance and is designed to simultaneously handle significant combined radial and axial loads. Its inch-series dimensions (18" bore, 19.5" OD, 0.75" width) and ABEC-1 precision make it an ideal component for high-reliability, compact assemblies where weight and cross-section are critical constraints.
SF180XP0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Interpretation |
|---|---|
| SF180XP0 | Reali-Slim series designation with 18" bore diameter and specific internal design for high load capacity. |
| Open (Seal Type) | No integral seals, allowing for higher speed capability and custom lubrication schemes. Requires a clean operating environment or external sealing. |
| Four Point Contact | The ball-raceway contact geometry enables the bearing to support combined loads (radial, axial, and moment loads) efficiently in a single bearing row. |
| Lubricated | Pre-lubricated from factory for immediate operation, suitable for the specified temperature range of -30°C to 110°C. |
SF180XP0 Bearing Structural Features & Performance Benefits
- High Load Capacity & Rigidity: The Four Point Contact design and stainless steel construction provide exceptional static and dynamic load ratings (e.g., Radial Dynamic: 10,028 lbf, Axial Dynamic: 17,060 lbf), enabling it to withstand substantial combined loads and moments with minimal deflection.
- Space and Weight Savings: As a thin section bearing, it maximizes the available cross-section within a limited envelope, contributing to lighter and more compact overall system design.
- Corrosion Resistance & Longevity: The use of stainless steel for rings and balls, combined with a brass cage, ensures reliable performance in harsh environments and reduces maintenance needs.
- Precision Performance: The ABEC-1 tolerance class and controlled radial internal clearance guarantee consistent running accuracy and smooth operation for precision applications.
SF180XP0 Bearing Typical Application Areas
The SF180XP0 is ideally suited for demanding applications across various industries, including:
- Robotics and Automation: Rotary joints, robotic arms, and precision positioning stages.
- Aerospace and Defense: Radar platforms, gimbal systems, and satellite mechanisms.
- Medical Equipment: CT scanners, MRI machines, and surgical robot joints.
- Semiconductor Manufacturing: Wafer handling robots and precision stages.
- Industrial Machinery: Rotary tables, indexing heads, and other high-precision rotary equipment.
