6303TN
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Basic Information
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Performance
Materials
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6303TN Bearing Product Overview & Core Advantages
The 6303TN is a single row deep groove ball bearing designed for high performance and reliability in a wide range of industrial applications. This metric bearing excels at handling primarily radial loads and offers smooth, low-friction operation. Its key advantages include a high limiting speed of 15,000 rpm, facilitated by the lightweight Nylon cage (TN designation), and a robust construction using high-grade Chrome Steel. Manufactured to ABEC 1 | ISO P0 tolerance standards, it provides consistent performance and is compliant with RoHS and REACH directives, making it a versatile and dependable choice for engineers.
6303TN Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Code | Technical Meaning |
|---|---|---|
| Basic Designation | 6303 | Standard single row deep groove ball bearing with 17mm bore, 47mm OD, and 14mm width. |
| Cage Type | TN | Moldable polyamide (Nylon) cage. This lightweight cage reduces centrifugal forces, contributing to the bearing's high-speed capability and quiet operation. |
| Seal Type | (Open) | The bearing is supplied open (no seals or shields), allowing for custom lubrication solutions and maximum speed potential in clean environments. |
6303TN Bearing Structural Features & Performance Benefits
- Optimized for High Speeds: The TN Nylon cage is a critical feature, offering excellent strength-to-weight ratio and inherent lubricity. This design minimizes friction and wear at high rotational speeds, directly supporting the limiting speed of 15,000 rpm.
- Robust Load Capacity: The single row deep groove raceway geometry is engineered to efficiently support significant radial loads (Dynamic: 3057 lbf, Static: 1495 lbf).
- Precision & Consistency: Manufactured to ABEC 1 | ISO P0 tolerance class with a standard CN radial internal clearance, this bearing ensures reliable, predictable performance and smooth running in a variety of applications.
- Material Integrity: Constructed from high-carbon Chrome Steel for both rings and balls, providing high hardness, durability, and resistance to fatigue.
6303TN Bearing Typical Application Areas
The 6303TN is suited for a broad spectrum of machinery requiring high-speed operation and reliable radial load support. Common applications include:
- Electric Motors and Generators
- Industrial Gearboxes
- Pumps and Compressors
- Material Handling Equipment
- Agricultural Machinery
- General Industrial Machinery
