6303-2Z/C3LHT23
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Part No.
Part No.
6303-2Z/C3LHT23
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
115 g
Tolerance class
ABEC 1 | ISO P0
Seal type
Shielded
For load direction
Radial
Main Dimensions
Bore diameter
17 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
47 mm
Outside diameter tolerance
-0.011mm to 0
Width
14 mm
Width tolerance
-0.120mm to 0
Performance
Temperature range
-30°to 120 °C
Radial dynamic load rating
3057 lbf
Radial static load rating
1495 lbf
Limiting speed
15 X 1000 rpm
Lubrication
None
Radial internal clearance
C3
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Chrome Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
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In Stock
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6303-2Z/C3LHT23 Bearing Product Overview & Core Advantages
The 6303-2Z/C3 is a single row deep groove ball bearing designed for robust performance in a wide range of industrial applications. Its core advantage lies in its ability to efficiently handle radial loads while offering operational reliability. The inclusion of shielded seals (2Z) provides effective protection against contamination, making it a durable and low-maintenance solution. Manufactured to ABEC 1 | ISO P0 tolerance standards, this bearing ensures consistent performance and is an excellent choice for applications demanding high reliability and long service life.
6303-2Z/C3LHT23 Bearing Model Code Explained, Specifications & Naming Convention
The model number 6303-2Z/C3 is decoded as follows:
- 6303: Standard designation for a single row deep groove ball bearing with a 17mm bore, 47mm OD, and 14mm width.
- 2Z: Indicates the bearing is shielded on both sides. This provides protection against the ingress of solid contaminants while minimizing friction.
- C3: Specifies a greater radial internal clearance than the standard C0 group. This is beneficial for applications involving thermal expansion, such as in electric motors, or where interference fits are used.
6303-2Z/C3LHT23 Bearing Structural Features & Performance Benefits
- Robust Construction: Built from chrome steel for both rings, balls, and cage, this bearing offers high strength and resistance to wear, contributing to its long operational life.
- Effective Sealing: The double-shielded (2Z) design effectively protects the bearing's internals from dust and debris, enhancing reliability in contaminated environments and reducing the need for maintenance.
- Optimized Internal Clearance: The C3 radial internal clearance makes this bearing particularly suitable for applications where operational temperatures vary significantly or where tight press-fits are applied, preventing premature failure due to excessive preload.
- High-Speed Capability: With a limiting speed of 15,000 rpm, it is well-suited for a variety of high-speed applications, supported by its balanced design and quality construction.
6303-2Z/C3LHT23 Bearing Typical Application Areas
The 6303-2Z/C3 is versatile and finds use in numerous sectors, including:
- Electric Motors and Small Gearboxes
- Industrial Fans and Blowers
- Conveyor Systems and Material Handling Equipment
- Agricultural Machinery
- Automotive Components such as alternators and idler pulleys
