KC045AR0
3/8" Constant Section Bearings
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Basic Information
Main Dimensions
Inner Ring Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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KC045AR0 Bearing Product Overview & Core Advantages
The KC045AR0 is a high-precision thin section angular contact ball bearing engineered for applications demanding exceptional rigidity and precise motion control. Designed with a single row construction and a substantial 30° contact angle, it is optimized to handle significant combined loads, including high thrust loads in one direction alongside radial loads. Its Reali-Slim open design provides a compact, lightweight solution without sacrificing performance, making it ideal for space-constrained, high-reliability systems. Manufactured to ABEC-1 precision tolerances, this bearing ensures smooth, accurate operation in demanding environments.
KC045AR0 Bearing Model Code Explained, Specifications & Naming Convention
The KC045AR0 model number provides key technical specifications:
- KC: Indicates the manufacturer's series for thin-section bearings.
- 045: Specifies the bore diameter of 4.5 inches.
- A: Denotes the Angular Contact design.
- R0: Signifies a standard radial internal clearance and Open (unsealed) construction.
The absence of sealing suffixes highlights its design for environments where external sealing is provided or where maximum speed is critical.
KC045AR0 Bearing Structural Features & Performance Benefits
The KC045AR0's performance is derived from its sophisticated design and material selection:
- High Rigidity & Load Capacity: The single row angular contact design with a 30° contact angle provides superior stiffness and is engineered to support high combined radial and axial static loads (2860 lbf radial, 2990 lbf axial).
- Precision Engineering: Manufactured to ABEC-1 tolerance standards with tight bore and OD tolerances, ensuring consistent, high-accuracy performance.
- Optimized Materials: Components made from Chrome Steel (rings and balls) and a Brass cage offer excellent durability, wear resistance, and stability across the operating temperature range of -30°C to 110°C.
- Compact & Lightweight: As part of the Reali-Slim series, it features a thin cross-section (0.375" width) and low weight (0.49 lbs), enabling design efficiency in robotic, aerospace, and semiconductor equipment.
KC045AR0 Bearing Typical Application Areas
This bearing is ideally suited for high-performance applications requiring precision and reliability, including:
- Robotic Arms and Actuators
- Aerospace Control Systems and Gimbal Mechanisms
- Semiconductor Manufacturing Equipment
- Medical and Laboratory Automation
- Precision Rotary Tables and Indexing Heads
