216-2ZNR
200 Series Snap Ring Bearings
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Part No.
Part No.
216-2ZNR
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
1.55 kg
Tolerance class
P0
Seal type
Shielded
For load direction
Radial
Main Dimensions
Bore diameter
80 mm
Bore diameter tolerance
-0.015mm to 0
Outside diameter
140 mm
Outside diameter tolerance
-0.018mm to 0
Width
26 mm
Width tolerance
-0.15mm to 0
Outer Ring Dimensions
Outer ring locating feature
Snap Ring (fitted)
Outside diameter of snap ring
149.7 mm
Width of snap ring
2.82 mm
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
19783 lbf
Radial static load rating
19109 lbf
Limiting speed
4 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
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In Stock
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216-2ZNR Bearing Product Overview & Core Advantages
The 216-2ZNR is a single row deep groove ball bearing engineered for exceptional radial load capacity and reliable performance in demanding applications. This shielded bearing features an integral snap ring on its outer ring, enabling simplified axial location within a housing without the need for complex machining. Manufactured with chrome steel rings and balls, and a stainless steel cage, it delivers high durability and consistent operation. Pre-lubricated with grease and featuring a standard CN radial internal clearance, it offers a robust, ready-to-install solution for a wide range of industrial machinery.
Model Code Breakdown
| Code Segment | Description | Technical Significance |
|---|---|---|
| 216 | Basic Bearing Number | Denotes a metric series single row deep groove ball bearing with an 80mm bore, 140mm OD, and 26mm width. |
| 2Z | Shield Design | Indicates the bearing is equipped with shields on both sides. This provides effective protection against contaminant ingress while allowing for higher limiting speeds compared to contact seals. |
| NR | Snap Ring | Specifies that the outer ring has a snap ring groove and a fitted snap ring. This feature simplifies axial positioning and reduces assembly costs. |
216-2ZNR Bearing Structural Features & Performance Benefits
- Simplified Housing Design: The integrated snap ring (NR) eliminates the need for a separate shoulder or end cover in the housing for axial location, leading to more compact and cost-effective designs.
- Robust Contamination Protection: The non-contact shields (2Z) effectively retain grease and protect the bearing's internal components from dust and larger particles, enhancing service life in contaminated environments.
- High Load Capacity & Durability: Constructed from high-grade chrome steel and utilizing a stainless steel cage, this bearing is built to withstand high radial dynamic load ratings (19,783 lbf) and static loads (19,109 lbf), ensuring long-term reliability.
- Maintenance-Free Operation: The bearing is pre-lubricated with grease, making it ready for immediate use without initial lubrication. The shields help maintain lubrication integrity over a broad temperature range of -30°C to 120°C.
216-2ZNR Bearing Typical Application Areas
This bearing is ideally suited for applications requiring robust radial support and simplified mounting. Key industries and equipment include:
- Electric Motors and Generators
- Gearboxes and Transmission Systems
- Material Handling Equipment (e.g., conveyor pulleys)
- Agricultural Machinery
- Industrial Fans and Blowers
