6209-ZNB
6200 Series Snap Ring Bearings
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Part No.
Part No.
6209-ZNB
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
407 g
Tolerance class
ABEC 1 | ISO P0
Seal type
Shielded
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
Outer Ring Dimensions
Outer ring locating feature
Snap Ring Groove
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
No drawings available at the moment, will be launched soon
Price:
$ 11.73
/ each
In Stock
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6209-ZNB Bearing Product Overview & Core Advantages
The 6209-ZNB is a single row deep groove ball bearing designed for reliable performance in general industrial applications. This metric bearing excels at handling primarily radial loads and offers a robust solution due to its shielded design and high-quality chrome steel construction. Its key advantages include a high limiting speed of 7,700 rpm, a substantial radial dynamic load rating of 7,351 lbf, and a compact design with a snap ring groove for secure axial location, making it a versatile and dependable choice for various machinery.
6209-ZNB Bearing Model Code Explained, Specifications & Naming Convention
The model number 6209-ZNB is decoded as follows:
- 6209: Standard designation for a single row deep groove ball bearing with a 45 mm bore and 85 mm outside diameter.
- Z: Denotes that one side of the bearing is equipped with a shield. This shield helps protect the bearing's internals from large particulate contaminants while minimizing friction.
- N: Signifies that the outer ring features a snap ring groove. This groove allows for the use of a snap ring in the housing, providing a simple and effective method for axial location.
- B: Indicates that the bearing is supplied with a standard radial internal clearance group (CN). This clearance is suitable for most common operating conditions.
6209-ZNB Bearing Structural Features & Performance Benefits
The performance of the 6209-ZNB is a direct result of its specific structural features:
- Shielded Design: The single-sided shield offers effective protection against contaminants, enhancing bearing life in dusty environments without the significant torque increase associated with contact seals.
- Snap Ring Groove: This feature on the outer ring simplifies assembly and provides secure axial positioning within the housing, contributing to the overall rigidity and stability of the application.
- Chrome Steel Construction: Manufactured from high-grade chrome steel for both rings, balls, and cage, this bearing ensures high durability, wear resistance, and consistent performance across its specified temperature range of -30°C to 120°C.
- Optimized Load Capacity: The deep groove raceway and high-quality steel enable a high radial dynamic load rating, allowing it to withstand significant forces in demanding applications.
6209-ZNB Bearing Typical Application Areas
The 6209-ZNB is a versatile component found in a wide array of industrial equipment, including:
- Electric Motors and Generators
- Gearboxes and Transmission Systems
- Industrial Fans and Blowers
- Material Handling Conveyors
- Agricultural Machinery
- Pumps and Compressors
