6003 TN9/C4
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Basic Information
Main Dimensions
Performance
Materials
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6003 TN9/C4 Bearing Product Overview & Core Advantages
The 6003 TN9/C4 is a single row deep groove ball bearing engineered for high-performance applications requiring precision and reliability. This metric bearing features an open design without seals, allowing for optimal lubrication flexibility. Its key advantages include the ability to handle significant radial loads while accommodating moderate axial loads in both directions. Manufactured with Chrome Steel rings and balls, and a Nylon cage, it offers excellent durability and smooth operation. The combination of ABEC 1 precision and a C4 radial internal clearance makes it suitable for applications with potential thermal expansion or where higher speeds are required.
6003 TN9/C4 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 6003 | Basic bearing designation indicating metric dimensions: 17mm bore, 35mm OD, 10mm width |
| TN9 | Polyamide (Nylon) cage, glass fiber reinforced, suitable for high-speed operation |
| C4 | Greater than normal radial internal clearance for applications with thermal expansion or high speeds |
6003 TN9/C4 Bearing Structural Features & Performance Benefits
Deep Groove Geometry: The raceway design enables efficient handling of both radial and axial loads, providing versatile load capacity in compact dimensions.
High-Speed Nylon Cage: The TN9 polyamide cage ensures excellent operational stability at high rotational speeds up to 21,000 rpm, reducing friction and wear.
Optimized Internal Clearance: The C4 clearance accommodates thermal expansion in high-speed applications or where temperature variations occur, preventing premature failure.
Precision Manufacturing: Built to ABEC 1 (ISO P0) tolerance standards, this bearing delivers consistent performance and reliable operation in demanding environments.
Material Excellence: Chrome steel components provide high hardness and wear resistance, while the nylon cage offers quiet operation and reduced weight.
6003 TN9/C4 Bearing Typical Application Areas
- Electric Motors: Main and auxiliary motor shafts requiring high-speed operation
- Industrial Pumps: Centrifugal and circulation pumps where reliability is critical
- Power Tools: High-speed drills, grinders, and other portable equipment
- Automotive Components: Alternators, water pumps, and auxiliary drives
- Material Handling Equipment: Conveyor systems and small gearboxes
- Agricultural Machinery: Small implement motors and drives
