6918
6900 Series Thin Section Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
6918
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
565 g
Tolerance class
ABEC-1
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
90 mm
Bore diameter tolerance
-0.02mm to 0
Outside diameter
125 mm
Outside diameter tolerance
-0.018mm to 0
Width
18 mm
Width tolerance
-0.200mm to 0
Performance
Temperature range
-30°C to 110 °C
Radial dynamic load rating
7290 lbf
Radial static load rating
7110 lbf
Limiting speed
5.9 X 1000 rpm
Lubrication
Required
Radial internal clearance
0.012mm to 0.036mm
Radial internal clearance
C0
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Stainless Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 34.3
/ each
In Stock
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6918 Bearing Product Overview & Core Advantages
The 6918 is a single row deep groove ball bearing designed for exceptional performance in radial load applications. Engineered with precision ABEC-1 tolerances, this bearing offers reliable operation and consistent performance. Its open design allows for versatile lubrication options, making it suitable for a wide range of industrial machinery. The bearing is constructed from high-grade chrome steel for durability and features a stainless steel cage for stability at moderate speeds.
6918 Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Technical Meaning |
|---|---|
| 6918 | Basic model number denoting a metric single row deep groove ball bearing with a 90mm bore, 125mm OD, and 18mm width. |
| Open | No seals or shields, allowing for maximum speed capability and custom lubrication. |
| C0 | Standard radial internal clearance group (0.012mm to 0.036mm) for normal operating conditions. |
| ABEC-1 | Precision tolerance class ensuring consistent dimensional accuracy and smooth operation. |
6918 Bearing Structural Features & Performance Benefits
- High Radial Load Capacity: With a dynamic load rating of 7290 lbf and static load rating of 7110 lbf, this bearing is engineered to handle significant radial forces in various applications.
- Optimized for Moderate Speeds: The stainless steel cage provides excellent stability, supporting a limiting speed of 5,900 rpm.
- Precision Engineering: Manufactured to ABEC-1 tolerance standards with strict dimensional controls on bore, outside diameter, and width for reliable fit and performance.
- Versatile Temperature Range: Suitable for operating temperatures from -30°C to 110°C, accommodating various industrial environments.
- Compliant Materials: Constructed with chrome steel rings and balls with stainless steel cage, meeting ROHS and REACH compliance standards.
6918 Bearing Typical Application Areas
- Electric Motors and Gearboxes
- Industrial Pumps and Compressors
- Material Handling Equipment
- Agricultural Machinery
- General Industrial Machinery requiring reliable radial bearing support
