7418 GAM
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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7418 GAM Bearing Product Overview & Core Advantages
The **7418 GAM** is a **precision angular contact ball bearing** designed for applications requiring exceptional **rotational accuracy** and **high rigidity**. As a **single row bearing** with a **40° contact angle**, it excels at handling combined **radial and axial loads** simultaneously. Manufactured to **P6 (ABEC-3) tolerance class**, it delivers superior running accuracy, making it ideal for high-performance machinery where **reliability** and **precision** are paramount. Its robust construction and optimized internal geometry ensure stable operation even under demanding conditions.
7418 GAM Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7418 | Standard bearing series designation indicating the **bearing size** (90mm bore, 225mm OD). |
| GAM | Manufacturer's internal designation for this specific **bearing configuration** and material specification. |
| Open (Seal Type) | No seals or shields, allowing for higher **limiting speeds** and optimal heat dissipation. Requires external sealing in contaminated environments. |
| P6 (Tolerance) | Indicates a **precision tolerance class** (equivalent to ABEC-3), ensuring tight dimensional control for **high-precision applications**. |
7418 GAM Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The **single row design** with a steep **40° contact angle** provides excellent **stiffness** and is optimized to carry significant **combined loads**, including substantial thrust loads in one direction.
Precision Performance: Manufactured to **P6 tolerance standards** with a **brass cage**, this bearing ensures smooth operation, minimal vibration, and enhanced positional accuracy, which is critical for **high-speed applications**.
Optimized for High Speeds: The **open design** and robust **brass cage** contribute to a high **limiting speed** of 3,800 rpm, making it suitable for demanding **spindle applications**.
Superior Material Construction: Components made from **chrome steel** for both rings and balls offer high durability, wear resistance, and a long operational life under heavy loads.
7418 GAM Bearing Typical Application Areas
- Machine Tool Spindles: Ideal for high-speed milling, grinding, and turning centers where **precision** and **rigidity** are critical.
- Precision Gearboxes: Used in industrial gearboxes requiring accurate shaft positioning and the ability to handle **combined loads**.
- Pumps and Compressors: Suitable for applications involving high rotational speeds and axial thrust loads.
- Medical and Laboratory Equipment: Employed in high-speed centrifuges and other precision instruments demanding quiet and accurate operation.
