SD300XP0
1/2" Stainless Steel Constant Section Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
SD300XP0
Basic Information
Bearing type
Ball
System of measurement
Inch
Thin section bearings type
Reali-Slim Stainless Steel
Construction
Single Row
Weight
5.73 lbs
Tolerance class
ABEC-1
Seal type
Open
For load direction
Four Point Contact
Main Dimensions
Bore diameter
30"
Bore diameter tolerance
-0.0018"– 0"
Outside diameter
31"
Outside diameter tolerance
-0.0018"– 0"
Width
0.5"
Width tolerance
+.000 –.010"
Inner Ring Dimensions
Shoulder diameter inner ring
30.37"
Outer Ring Dimensions
Outer ring small-side face inner diameter
30.63"
Performance
Temperature range
-30°C to 110 °C
Radial dynamic load rating
6856 lbf
Radial static load rating
20860 lbf
Axial dynamic load rating
12600 lbf
Axial static load rating
52160 lbf
Dynamic load moment
78447 lbf
Static load moment
318100 lbf
Rated load moment
78 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:
$ 7323.26
/ each
In Stock
- Fast delivery
- Free shipping on orders over $200
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
SD300XP0 Bearing Product Overview & Core Advantages
The SD300XP0 is a high-performance Four Point Contact Ball Bearing engineered for applications requiring exceptional precision and reliability. As part of the Reali-Slim Stainless Steel Bearings series, it features a single row design with an open configuration, optimized to handle significant combined loads. Its thin-section construction, with a 0.5" width, provides a compact and lightweight solution without compromising on strength. Manufactured entirely from stainless steel with a brass cage, this bearing offers excellent corrosion resistance and is suitable for demanding environments. It is pre-lubricated for immediate use and operates effectively within a temperature range of -30°C to 110°C.
SD300XP0 Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Technical Meaning | Significance |
|---|---|---|
| SD300 | Series & Size Designation | Indicates the Reali-Slim series with a 30" bore and 31" outside diameter. |
| XP0 | Configuration & Features | Denotes the specific variant with an open seal type and standard internal clearance. |
SD300XP0 Bearing Structural Features & Performance Benefits
- Four Point Contact Design: This unique geometry allows the bearing to simultaneously support substantial radial loads, axial loads in both directions, and tilting moments, making it an ideal single-bearing solution for complex loading conditions.
- Thin-Section & High Rigidity: The compact cross-section (0.5" width) saves space and weight, while the robust stainless steel construction ensures high structural rigidity and dimensional stability under load.
- High Load Capacity: Engineered for demanding applications, it offers a high dynamic load rating (6856 lbf radial, 12600 lbf axial) and an exceptional static load rating (20860 lbf radial, 52160 lbf axial).
- Corrosion Resistance & Durability: The use of stainless steel for rings and balls, combined with a brass cage, provides superior resistance to corrosion and ensures long service life in harsh environments.
- Precision Performance: Manufactured to ABEC-1 tolerance standards, it guarantees consistent running accuracy and smooth operation, which is critical for precision machinery.
SD300XP0 Bearing Typical Application Areas
This bearing is specifically designed for use in:
- Robotics and Automation: Rotary joints, robotic arms, and precision positioning stages.
- Aerospace & Defense: Radar platforms, gimbal systems, and satellite mechanisms.
- Medical Equipment: CT scanners, MRI machines, and surgical robotics.
- Semiconductor Manufacturing: Wafer handling robots and precision stages.
- Industrial Machinery: Rotary tables, indexing heads, and other high-precision rotary applications.
