71876 ACGAMB
Single Row Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Inner Ring Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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71876 ACGAMB Bearing Product Overview & Core Advantages
The 71876 ACGAMB is a single row angular contact ball bearing engineered for high-performance applications requiring exceptional precision and reliability. Designed to accommodate combined loads—simultaneously handling significant radial loads and axial loads in one direction—this bearing features a 25° contact angle for optimal thrust capacity. Its P6 (ABEC-3) tolerance class ensures high running accuracy, making it ideal for precision machinery. The open design allows for custom lubrication schemes, while its robust construction from chrome steel components delivers long service life and consistent performance under demanding conditions.
71876 ACGAMB Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 71876 | Basic bearing designation indicating 380 mm bore diameter, 480 mm outside diameter, and 46 mm width |
| AC | Angular Contact design with 25° contact angle for combined load capacity |
| GAMB | Specific internal design features including brass cage material and optimized geometry for high-speed operation |
71876 ACGAMB Bearing Structural Features & Performance Benefits
High Precision Construction: Manufactured to P6 tolerance class (equivalent to ABEC-3), this bearing ensures minimal runout and vibration for precision applications. The single row design with optimized raceway geometry provides excellent rotational accuracy.
Superior Load Capacity: With a radial dynamic load rating of 65,475 lbf and radial static load rating of 112,500 lbf, this bearing handles substantial combined loads efficiently. The 25° contact angle provides excellent axial load capacity in one direction while maintaining strong radial load performance.
High-Speed Capability: The brass cage ensures dimensional stability at elevated temperatures and speeds, supporting operation up to 1,400 rpm. The optimized internal geometry minimizes friction and heat generation.
Premium Material Selection: Constructed from chrome steel for both rings and balls, providing high hardness, wear resistance, and durability. The brass cage offers excellent strength and guidance characteristics.
Precision Dimensions: Features tight dimensional tolerances with bore diameter tolerance of -0.03mm to 0 and outside diameter tolerance of -0.033mm to 0, ensuring precise fitment and alignment in critical applications.
71876 ACGAMB Bearing Typical Application Areas
- Machine Tool Spindles - High-precision machining centers and grinding machines
- Industrial Gearboxes - Power transmission systems requiring high load capacity
- Pump Systems - Centrifugal pumps and compressor applications
- Material Handling Equipment - Conveyor systems and industrial robots
- Precision Instrumentation - Medical equipment and measuring devices
- Industrial Motors - High-performance electric motors and generators
