KB200AR0
5/16" Constant Section Bearings
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Part No.
Part No.
KB200AR0
Basic Information
Bearing type
Ball
System of measurement
Inch
Thin section bearings type
Reali-Slim Open
Construction
Single Row
Weight
1.4 lbs
Tolerance class
ABEC-1
ISO radial rating
3421 lbf
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
20"
Bore diameter tolerance
-0.0018"– 0"
Outside diameter
20.625"
Outside diameter tolerance
-0.0018"– 0"
Width
0.3125"
Width tolerance
+.000 –.010"
Contact angle
30 °
Inner Ring Dimensions
Shoulder diameter inner ring
20.231"
Outer Ring Dimensions
Outer ring large-side face inner diameter
20.416"
Outer ring small-side face inner diameter
20.393"
Performance
Temperature range
-30°C to 110 °C
Radial dynamic load rating
2162 lbf
Radial static load rating
9610 lbf
Axial static load rating
5900 lbf
Static load moment
27730 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:
$ 2719.44
/ each
In Stock
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KB200AR0 Bearing Product Overview & Core Advantages
The KB200AR0 is a high-precision thin section angular contact ball bearing designed for applications requiring exceptional rigidity and accuracy. This single row bearing features a 30° contact angle, enabling it to support combined radial and axial loads simultaneously. Manufactured to ABEC-1 tolerance standards, it is ideal for compact, weight-sensitive assemblies in high-performance machinery, offering a superior balance of high load capacity and minimal cross-section.
KB200AR0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| KB | Indicates the Reali-Slim series of thin section bearings. |
| 200 | Specifies the bore diameter in inches (20.0"). |
| A | Denotes the 30° contact angle, optimized for handling significant axial loads. |
| R0 | Signifies an Open (unsealed) construction and standard radial internal clearance. |
KB200AR0 Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: The single row design with a 30° contact angle and ABEC-1 precision ensures high system stiffness and accurate rotational performance, critical for applications like robotics and precision spindles.
- Superior Load Capacity: Engineered to handle significant combined loads, with a radial dynamic load rating of 2162 lbf and a static load moment of 27,730 lbf.
- Optimized for High-Speed Operation: The brass cage provides stability and reduces friction, contributing to reliable performance at high rotational speeds.
- Versatile Lubrication & Temperature Range: Comes pre-lubricated and operates effectively within a temperature range of -30°C to 110°C, suitable for various industrial environments.
KB200AR0 Bearing Typical Application Areas
This bearing is ideally suited for:
- Aerospace Actuation Systems and Robotic Arms
- Precision Machine Tool Spindles and Rotary Tables
- Medical Imaging Equipment (e.g., CT Scanners)
- Semiconductor Manufacturing Equipment
- Radar and Satellite Communication Systems
