6303-2RSH/LHT23
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Part No.
Part No.
6303-2RSH/LHT23
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
115 g
Tolerance class
ABEC 1 | ISO P0
Seal type
Sealed
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
CN
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Chrome Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 4.18
/ each
In Stock
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6303-2RSH/LHT23 Bearing Product Overview & Core Advantages
The 6303-2RSH is a single row deep groove ball bearing designed for reliable performance in a wide range of industrial applications. Its core advantage lies in its ability to handle significant radial loads while also accommodating moderate axial loads in both directions. The integrated sealed design (2RSH) ensures excellent protection against contamination and retains lubricant, making it a robust and long-lasting solution for demanding environments. Manufactured to ABEC 1 | ISO P0 tolerance standards, it offers dependable precision and high operational reliability.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| 63 | Series designation, indicating a medium width and medium diameter. |
| 03 | Bore diameter code: 03 corresponds to a 17 mm bore. |
| 2RSH | Contact seals on both sides. The "H" suffix often indicates a high-temperature resistant sealing material, enhancing the bearing's suitability for a wider temperature range. |
6303-2RSH/LHT23 Bearing Structural Features & Performance Benefits
- Robust Sealing: The double-sided contact seals (2RSH) provide superior protection against dust, moisture, and other contaminants. This significantly extends bearing service life and reduces maintenance needs in harsh conditions.
- High Load Capacity: The deep groove raceway and optimized internal geometry enable high radial dynamic load rating of 3057 lbf and efficient handling of combined loads.
- Standard Precision & Clearance: Built to ABEC 1 (ISO P0) tolerance class with standard radial internal clearance (CN), ensuring smooth and consistent operation for general industrial use.
- Durable Construction: All critical components, including rings, balls, and cage, are manufactured from high-grade Chrome Steel, providing excellent wear resistance and overall durability.
6303-2RSH/LHT23 Bearing Typical Application Areas
This versatile deep groove ball bearing is commonly specified for:
- Electric Motors and Generators
- Gearboxes and Power Transmission Systems
- Industrial Fans and Blowers
- Material Handling Equipment (Conveyors, Pulleys)
- Agricultural Machinery
- Appliance Motors (e.g., washing machines, dryers)
