208NR
200 Series Snap Ring Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
208NR
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.39 kg
Tolerance class
ABEC 1 | ISO P0
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
40 mm
Bore diameter tolerance
-0.012mm to 0
Outside diameter
80 mm
Outside diameter tolerance
-0.013mm to 0
Width
18 mm
Width tolerance
-0.12mm to 0
Outer Ring Dimensions
Outer ring locating feature
Snap Ring (fitted)
Performance
Temperature range
-30°to 120 °C
Radial dynamic load rating
7554 lbf
Radial static load rating
6070 lbf
Limiting speed
9.5 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:
$ 11.64
/ each
In Stock
- Fast delivery
- Free shipping on orders over $200
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
208NR Bearing Product Overview & Core Advantages
The 208NR is a single row deep groove ball bearing designed for robust radial load applications. Its key advantage lies in the snap ring groove on the outer ring, which simplifies axial positioning and reduces housing design complexity and cost. Manufactured to ABEC 1 | ISO P0 tolerance standards, it offers reliable performance for general industrial use. The open design allows for versatile lubrication options, making it suitable for a wide operating temperature range from -30°C to 120°C.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| 208 | Standard bearing series number, indicating the bearing dimensions (40mm bore, 80mm OD, 18mm width). |
| N | Signifies a snap ring groove on the outer ring. |
| R | Indicates the bearing is supplied with a snap ring fitted in the groove. |
208NR Bearing Structural Features & Performance Benefits
- Snap Ring Groove: The integrated snap ring provides a positive axial location for the bearing within the housing, eliminating the need for complex shoulder machining and enabling more compact and economical housing designs.
- High Load Capacity: The single row deep groove construction is optimized to carry significant radial loads (dynamic: 7554 lbf, static: 6070 lbf), making it a durable choice for demanding applications.
- Standard Precision & Clearance: Built to ABEC 1 (ISO P0) tolerance with a CN radial internal clearance, ensuring consistent performance and interchangeability for general machinery.
- Material Integrity: All critical components—rings, balls, and cage—are manufactured from Chrome Steel, providing high strength, wear resistance, and long service life.
- Open Design: The unsealed, open structure allows for easy application-specific lubrication and facilitates high-speed operation up to 9,500 rpm.
208NR Bearing Typical Application Areas
- Electric Motors and Generators
- Gearboxes and Power Transmission Systems
- Industrial Pumps and Compressors
- Material Handling Equipment (Conveyors, Pulleys)
- Agricultural Machinery
- General Industrial Machinery requiring simplified axial location
