KF075XP0
3/4" Constant Section Bearings
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Part No.
Part No.
KF075XP0
Basic Information
Bearing type
Ball
System of measurement
Inch
Thin section bearings type
Reali-Slim Open
Construction
Single Row
Weight
3.4 lbs
Tolerance class
ABEC-1
Seal type
Open
For load direction
Four Point Contact
Main Dimensions
Bore diameter
7.5"
Bore diameter tolerance
-0.0012"– 0"
Outside diameter
9"
Outside diameter tolerance
-0.0012"– 0"
Width
0.75"
Width tolerance
+.000 –.005"
Inner Ring Dimensions
Shoulder diameter inner ring
8.055"
Outer Ring Dimensions
Outer ring small-side face inner diameter
8.445"
Performance
Temperature range
-30°C to 110 °C
Radial dynamic load rating
6323 lbf
Radial static load rating
9310 lbf
Axial dynamic load rating
9870 lbf
Axial static load rating
23280 lbf
Dynamic load moment
19568 lbf
Static load moment
38410 lbf
Rated load moment
19 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:
$ 183.07
/ each
In Stock
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KF075XP0 Bearing Product Overview & Core Advantages
The KF075XP0 is a high-performance thin section bearing designed for applications requiring maximum load capacity in a compact envelope. As a Four Point Contact Ball Bearing, it excels at simultaneously supporting combined loads—significant radial forces, axial loads in either direction, and load moments—making it an ideal solution for precision applications where space and weight are critical constraints. Its inch-series dimensions (7.5" bore, 9" OD, 0.75" width) and ABEC-1 precision ensure reliable performance in demanding industrial environments.
KF075XP0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| KF075 | Indicates the bearing series and nominal bore size (7.5 inches). |
| XP | Denotes the Four Point Contact design, enabling the bearing to handle combined radial, axial, and moment loads efficiently. |
| 0 | Specifies an Open (unsealed) construction, allowing for custom lubrication schemes or operation in clean environments. |
KF075XP0 Bearing Structural Features & Performance Benefits
- Four Point Contact Design: The raceway geometry allows each ball to contact the raceways at four points, enabling a single bearing to withstand radial loads, axial loads in both directions, and substantial moment loads (Dynamic Load Moment: 19,568 lbf-in). This eliminates the need for complex multi-bearing arrangements.
- High Load Capacity: Engineered with Chrome Steel rings and balls, the bearing offers high dynamic and static load ratings (Radial Dynamic: 6,323 lbf, Axial Static: 23,280 lbf) for its compact cross-section.
- Precision & Rigidity: Manufactured to ABEC-1 tolerance class with a controlled radial internal clearance (0.0000" – 0.0005"), ensuring smooth operation, precise positioning, and high system rigidity.
- Optimized Cage: The Brass cage provides excellent durability and guidance at operational speeds, contributing to reliable performance.
- Standard Lubrication: The bearing comes pre-lubricated for immediate use, suitable for a wide temperature range of -30°C to 110°C.
KF075XP0 Bearing Typical Application Areas
- Robotics: Ideal for robot joints and actuators where compact size, low weight, and high moment load capacity are critical.
- Aerospace & Defense: Used in gimbal systems, radar platforms, and control surfaces that require precise motion and high reliability.
- Medical Equipment: Suitable for CT scanners, MRI machines, and surgical robots demanding smooth, precise rotation.
- Semiconductor Manufacturing: Applied in wafer handling robots and precision stages where cleanliness and accuracy are paramount.
- Industrial Automation: Perfect for rotary tables, indexing heads, and other machinery requiring high stiffness and load capacity in a slim profile.
