211-2ZNR
200 Series Snap Ring Bearings
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Part No.
Part No.
211-2ZNR
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.66 kg
Tolerance class
P0
Seal type
Shielded
For load direction
Radial
Main Dimensions
Bore diameter
55 mm
Bore diameter tolerance
-0.015mm to 0
Outside diameter
100 mm
Outside diameter tolerance
-0.015mm to 0
Width
21 mm
Width tolerance
-0.15mm to 0
Outer Ring Dimensions
Outer ring locating feature
Snap Ring (fitted)
Outside diameter of snap ring
106.5 mm
Width of snap ring
2.46 mm
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
10881 lbf
Radial static load rating
9892 lbf
Limiting speed
5.6 X 1000 rpm
Lubrication
Grease
Radial internal clearance
CN
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:
$ 17.4
/ each
In Stock
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211-2ZNR Bearing Product Overview & Core Advantages
The 211-2ZNR is a single row deep groove ball bearing designed for exceptional reliability in demanding applications. This metric bearing features integral shielded protection and a snap ring groove on its outer ring, enabling simplified axial location within a housing. Engineered from chrome steel for both rings and balls, it delivers a robust radial dynamic load rating of 10881 lbf and is pre-lubricated with grease for immediate, maintenance-free operation. Its compact design and standardized P0 tolerance make it a versatile and high-performance solution for a wide range of industrial machinery.
Model Code Breakdown
| Code Segment | Technical Meaning | Benefit |
|---|---|---|
| 211 | Basic bearing designation, defining the standard bearing dimensions (Bore: 55mm, OD: 100mm, Width: 21mm). | Ensures interchangeability and easy sourcing. |
| 2Z | Bearing is equipped with shielded seals on both sides. | Provides effective protection against contaminants while offering low friction for a higher limiting speed (5,600 rpm). |
| N | Snap ring groove on the outer ring. | Facilitates secure and space-saving axial location in the housing, simplifying assembly. |
| R | The bearing is pre-lubricated with grease. | Enables immediate operation and provides long-term, maintenance-free service. |
211-2ZNR Bearing Structural Features & Performance Benefits
- Robust Construction & High Load Capacity: Manufactured from high-grade chrome steel for rings and balls, this bearing is built to withstand significant radial loads. The stainless steel cage ensures cage integrity and reliable performance under high-speed conditions.
- Integrated Sealing & Simplified Mounting: The non-contact shields (2Z) effectively exclude contaminants while minimizing friction, contributing to the high limiting speed. The outer ring snap ring groove eliminates the need for complex housing shoulders, reducing design complexity and assembly time.
- Ready-to-Install & Maintenance-Free: Pre-lubricated with grease and sealed for life, the 211-2ZNR is delivered ready for installation, requiring no additional lubrication. This makes it ideal for applications where maintenance access is difficult.
- Precision & Consistency: Built to P0 tolerance class and standard CN radial internal clearance, this bearing offers consistent and predictable performance for general industrial applications.
211-2ZNR Bearing Typical Application Areas
This bearing's combination of high-speed capability, effective sealing, and ease of installation makes it suitable for a broad spectrum of applications, including:
- Electric Motors and Generators
- Gearboxes and Transmission Systems
- Material Handling Equipment (e.g., conveyor pulleys)
- Industrial Fans and Blowers
- Agricultural Machinery
