6209/40
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Part No.
Part No.
6209/40
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
407 g
Tolerance class
ABEC 1 | ISO P0
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
45 mm
Bore diameter tolerance
-0.012mm to 0
Outside diameter
85 mm
Outside diameter tolerance
-0.015mm to 0
Width
19 mm
Width tolerance
-0.120mm to 0
Performance
Temperature range
-30°to 120 °C
Radial dynamic load rating
7351 lbf
Radial static load rating
4564 lbf
Limiting speed
7.7 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
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In Stock
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6209/40 Bearing Product Overview & Core Advantages
The 6209/40 is a single row deep groove ball bearing designed for exceptional performance in demanding industrial applications. This precision bearing is engineered to primarily handle high radial loads while also accommodating moderate axial loads in both directions. Its open design and ABEC 1 (ISO P0) tolerance class ensure reliable operation and ease of integration into various mechanical systems. Manufactured from high-grade chrome steel for all critical components, it offers excellent durability and a long service life, making it a cost-effective solution for a wide range of machinery.
6209/40 Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Technical Meaning |
|---|---|
| 6209 | Standard designation for a single row deep groove ball bearing with a 45mm bore and 85mm outside diameter. |
| /40 | Indicates a special radial internal clearance, specifically matching the CN group as per specifications. |
| Open (from specs) | No seals or shields, allowing for higher speeds and easy re-lubrication. |
| ABEC 1 | ISO P0 (from specs) | Standard tolerance class for normal precision applications. |
6209/40 Bearing Structural Features & Performance Benefits
- Optimized Load Capacity: The deep groove raceway and single row design are engineered to support high radial dynamic load ratings of 7351 lbf and radial static load ratings of 4564 lbf, ensuring reliable performance under significant stress.
- High-Speed Capability: With a limiting speed of 7,700 rpm, this bearing is suitable for high-velocity applications. The open design reduces friction and heat generation, contributing to its high-speed performance.
- Robust Construction: All components, including rings, balls, and the cage, are manufactured from chrome steel, providing high hardness, wear resistance, and dimensional stability.
- Standard Internal Clearance: The CN radial internal clearance is suitable for most common operating conditions, providing a balance between fit and thermal expansion.
- Versatile Operating Range: A wide temperature range from -30°C to 120°C allows for use in various environmental conditions.
6209/40 Bearing Typical Application Areas
This versatile ball bearing is commonly specified in:
- Electric Motors and Generators
- Industrial Gearboxes and Transmissions
- Material Handling Equipment (conveyors, pulleys)
- Agricultural Machinery
- Pumps and Fans
- General Industrial Machinery requiring reliable radial load support
