JG300XP0
1" Constant Section Bearings
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Part No.
Part No.
JG300XP0
Basic Information
Bearing type
Ball
System of measurement
Inch
Thin section bearings type
Reali-Slim Sealed
Construction
Single Row
Weight
23.3 lbs
Tolerance class
ABEC-1
Seal type
Sealed
For load direction
Four Point Contact
Main Dimensions
Bore diameter
30"
Bore diameter tolerance
-0.0018"- 0"
Outside diameter
32"
Outside diameter tolerance
-0.0018"- 0"
Width
1"
Width tolerance
+.000 –.010"
Inner Ring Dimensions
Shoulder diameter inner ring
30.554"
Outer Ring Dimensions
Outer ring small-side face inner diameter
31.602"
Performance
Temperature range
-30°C to 110 °C
Radial dynamic load rating
21200 lbf
Radial static load rating
50890 lbf
Axial dynamic load rating
37980 lbf
Axial static load rating
127200 lbf
Dynamic load moment
246541 lbf
Static load moment
788800 lbf
Rated load moment
246 ft-lbf
Lubrication
Lubricated
Radial internal clearance
0.0000 – 0.0005"
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Brass
Environment & Compliance
ROHS
Compliant
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 1891.7
/ each
In Stock
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JG300XP0 Bearing Product Overview & Core Advantages
The JG300XP0 represents a high-performance thin section sealed bearing designed for applications demanding precision and reliability. This four-point contact ball bearing features a single row construction, enabling it to simultaneously support significant combined radial and axial loads from any direction. Its compact cross-section, with a 1" width relative to its 30" bore, makes it ideal for space-constrained, high-accuracy systems requiring high rigidity and exceptional load capacity. The integrated seal and factory lubrication ensure long-term, maintenance-free operation.
JG300XP0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| JG300XP0 | Specific model identifier within the Reali-Slim® sealed bearing series. |
| Sealed | Indicates the bearing is equipped with integral seals to protect against contamination and retain lubricant. |
| Four Point Contact | Describes the ball raceway geometry, allowing the bearing to handle combined loads and moment loads efficiently. |
| Lubricated | The bearing is pre-lubricated from the factory for immediate use and extended service life. |
JG300XP0 Bearing Structural Features & Performance Benefits
- High Load Capacity & Rigidity: The four-point contact design and robust chrome steel construction (rings and balls) provide exceptional static and dynamic load ratings (e.g., 50,890 lbf radial static, 127,200 lbf axial static), enabling reliable performance under heavy combined loads and significant load moments (246 ft-lbf rated).
- Precision & Stability: Manufactured to ABEC-1 tolerance standards with a tight radial internal clearance (0.0000 – 0.0005"), ensuring smooth, precise operation and minimal runout in high-accuracy applications.
- Durability & Corrosion Resistance: The brass cage ensures stable ball guidance and low wear, while the chrome steel components offer excellent resistance to wear and fatigue.
- Maintenance-Free Operation: The integral seals effectively exclude contaminants and retain the factory-applied lubricant, making the bearing suitable for long-term use without re-lubrication within its specified temperature range (-30°C to 110°C).
JG300XP0 Bearing Typical Application Areas
This bearing is engineered for demanding applications where a large bore, compact cross-section, and high load capacity are critical. Key sectors include:
- Robotics & Automation: Rotary joints, robotic arms, and precision positioning stages.
- Aerospace & Defense: Radar platforms, gimbal systems, and actuation mechanisms.
- Medical & Semiconductor Equipment: CT scanners, wafer handling robots, and precision rotary tables.
- Industrial Machinery: Large-diameter turntables, indexing heads, and other high-moment load applications.
