7218 BEGAM
Single Row Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
7218 BEGAM
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
2.3 kg
Tolerance class
P6 (ABEC-3)
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
90 mm
Bore diameter tolerance
-0.015mm to 0
Outside diameter
160 mm
Outside diameter tolerance
-0.018mm to 0
Width
30 mm
Width tolerance
-0.05mm to 0
Chamfer dimension
2 mm
Contact angle
40 °
Distance from side face to load point
67 mm
Inner Ring Dimensions
Inner ring large-side shoulder diameter
117.1 mm
Inner ring small-side shoulder diameter
103.06 mm
Outer Ring Dimensions
Shoulder diameter outer ring
134.8 mm
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
24300 lbf
Radial static load rating
21712 lbf
Limiting speed
6.3 X 1000 rpm
Lubrication
Lubricated
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Brass
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 224.2
/ each
In Stock
- Fast delivery
- Free shipping on orders over $200
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
7218 BEGAM Bearing Product Overview & Core Advantages
The 7218 BEGAM is a single row angular contact ball bearing engineered for high-precision applications requiring exceptional performance under combined loads. Designed to accommodate significant axial loads in one direction alongside radial loads, this bearing features a 40° contact angle for optimal thrust capacity. Manufactured to P6 (ABEC-3) tolerance class, it delivers superior running accuracy and rotational precision. Its open design allows for customized lubrication solutions, making it ideal for high-speed machinery and precision equipment where reliability and dimensional stability are critical.
7218 BEGAM Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Significance |
|---|---|---|
| BE | Increased Contact Angle (40°) | Enhanced axial load carrying capacity |
| GAM | Precision Machined Brass Cage | Superior high-speed performance and cage stability |
7218 BEGAM Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The optimized 40° contact angle and precision-ground raceways enable superior resistance to combined radial and axial loads, with a dynamic load rating of 24,300 lbf and static load rating of 21,712 lbf.
- Precision Engineering: Manufactured to P6 tolerance class with controlled bore diameter tolerance (-0.015mm to 0) and outside diameter tolerance (-0.018mm to 0) ensures consistent performance in precision applications.
- High-Speed Capability: The brass cage (GAM) provides excellent dimensional stability at high rotational speeds, supporting a limiting speed of 6,300 rpm.
- Material Excellence: Constructed from chrome steel rings and balls with brass cage for optimal strength, wear resistance, and thermal stability within the operating temperature range of -30° to 110°C.
7218 BEGAM Bearing Typical Application Areas
- Machine Tool Spindles: High-precision machining centers and grinding spindles
- Industrial Pumps & Compressors: Centrifugal pumps and compressor shafts
- Precision Gearboxes: High-speed transmission systems
- Robotics & Automation: Precision joints and positioning systems
- Medical Equipment: High-speed dental handpieces and surgical tools
