7209 BEP
Single Row Angular Contact Ball Bearings
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Part No.
Part No.
7209 BEP
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.42 kg
Tolerance class
P6 (ABEC-3)
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
45 mm
Bore diameter tolerance
-0.01mm to 0
Outside diameter
85 mm
Outside diameter tolerance
-0.013mm to 0
Width
19 mm
Width tolerance
-0.05mm to 0
Chamfer dimension
1.1 mm
Contact angle
40 °
Distance from side face to load point
37 mm
Inner Ring Dimensions
Inner ring large-side shoulder diameter
60.85 mm
Inner ring small-side shoulder diameter
52.68 mm
Outer Ring Dimensions
Shoulder diameter outer ring
70.15 mm
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
8055 lbf
Radial static load rating
5850 lbf
Limiting speed
9 X 1000 rpm
Lubrication
Lubricated
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Nylon
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 17.68
/ each
In Stock
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7209 BEP Bearing Product Overview & Core Advantages
The 7209 BEP is a single row angular contact ball bearing designed for high-precision applications requiring exceptional performance under combined loads. Engineered with a 40° contact angle, this bearing excels at simultaneously handling substantial radial loads and unidirectional axial loads. Manufactured to P6 (ABEC-3) tolerance, it delivers superior running accuracy and rotational precision, making it ideal for high-speed spindles and other demanding machinery where rigidity and reliability are paramount.
7209 BEP Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7209 | Basic bearing series, indicating a medium series angular contact ball bearing with a 45mm bore and 85mm outside diameter. |
| BE | Designates high-capacity internal geometry with optimized ball complement and raceway design for increased load ratings. |
| P | Indicates the bearing is supplied with a glass fiber reinforced nylon cage (PA66-GF25), offering low friction, quiet operation, and excellent high-speed suitability. |
7209 BEP Bearing Structural Features & Performance Benefits
- Optimized Internal Geometry (BE Design): The high-capacity design features a larger ball complement and optimized raceway contours, resulting in significantly higher dynamic and static load ratings (8055 lbf / 5850 lbf) compared to standard designs, providing extended service life under heavy combined loads.
- High-Speed Nylon Cage: The standard PA66-GF25 cage ensures smooth operation, reduced friction, and excellent acceleration characteristics, contributing to the bearing's high limiting speed of 9,000 rpm.
- Precision Tolerance (P6/ABEC-3): Manufactured to a tight P6 tolerance class, this bearing guarantees minimal runout and precise shaft positioning, which is critical for applications demanding high rotational accuracy and system rigidity.
- Steep 40° Contact Angle: This design provides superior axial load carrying capacity in one direction, making it exceptionally suitable for applications with significant thrust loads, such as machine tool spindles.
7209 BEP Bearing Typical Application Areas
- Machine Tool Spindles: High-precision milling, grinding, and lathe spindles requiring high speed, rigidity, and accuracy.
- High-Speed Electric Motors: Motors and generators where low friction and high rotational speeds are essential.
- Pumps and Compressors: Applications involving combined radial and axial loads with a need for reliable, long-term performance.
- Precision Gearboxes: Industrial gearboxes demanding high positional accuracy and load capacity.
