213-ZNR
200 Series Snap Ring Bearings
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Basic Information
Main Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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213-ZNR Bearing Product Overview & Core Advantages
The 213-ZNR is a single row deep groove ball bearing designed for exceptional performance in demanding applications. This metric bearing features a snap ring on its outer ring for simplified axial location within a housing. Its shielded construction and pre-lubricated design offer robust protection against contaminants and provide long-term, maintenance-free operation. Engineered for high radial load capacity and reliable performance, it is an ideal choice for applications requiring precision, durability, and ease of installation.
213-ZNR Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Significance |
|---|---|---|
| 213 | Basic Bearing Series/Size Designation | Defines the standard boundary dimensions: 65mm bore, 120mm OD, 23mm width. |
| -Z | Shield on One Side | Provides effective protection against large particulate contaminants. |
| -NR | Snap Ring Groove and Snap Ring | Allows for secure axial location, simplifying housing design and reducing assembly costs. |
213-ZNR Bearing Structural Features & Performance Benefits
- High Load Capacity: Manufactured from high-grade Chrome Steel for both rings and balls, this bearing offers a high dynamic load rating of 13,601 lbf and a static load rating of 13,151 lbf, ensuring reliable performance under significant radial loads.
- Snap Ring Locating Feature: The integrated snap ring (fitted) on the outer diameter provides a positive axial locating surface, eliminating the need for complex housing shoulders and facilitating secure, space-saving mounting.
- Shielded & Pre-Lubricated Design: The shield effectively retains the factory-applied grease and excludes larger contaminants, enabling maintenance-free operation within the specified temperature range of -30°C to 120°C.
- Precision & Stability: Built to P0 tolerance class with a standard CN radial internal clearance, ensuring consistent performance and smooth operation in a wide range of applications.
- Stainless Steel Cage: The stainless steel cage provides excellent strength and corrosion resistance, contributing to the bearing's high limiting speed and overall durability.
213-ZNR Bearing Typical Application Areas
The 213-ZNR is engineered for versatility and is commonly specified in:
- Electric Motors and Gearboxes
- Industrial Pumps and Fans
- Material Handling Equipment (e.g., conveyor systems)
- Agricultural Machinery
- Automotive Components (e.g., alternators, idler pulleys)