D/W R2 R-2Z
D/W Series Stainless Steel Flanged Miniature Bearings
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Part No.
Part No.
D/W R2 R-2Z
Basic Information
Bearing type
Ball
System of measurement
Inch
Construction
Single Row
Weight
0.0014 kg
Tolerance class
P0
Seal type
Shielded
For load direction
Radial
Main Dimensions
Bore diameter
0.125"
Bore diameter tolerance
-0.00019" to 0.00019"
Outside diameter
0.375"
Outside diameter tolerance
-0.0007" to -0.00031"
Width
0.15618"
Width tolerance
-0.005" to 0"
Outer Ring Dimensions
Flange outer diameter
0.44"
Flange thickness
0.03"
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
80 lbf
Radial static load rating
25 lbf
Limiting speed
67 X 1000 rpm
Lubrication
Grease
Radial internal clearance
CN
Materials
Ring material
Stainless Steel
Ball material
Stainless Steel
Cage material
Stainless Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
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In Stock
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D/W R2 R-2Z Bearing Product Overview & Core Advantages
The D/W R2 R-2Z is a single row deep groove ball bearing designed for exceptional precision and reliability in demanding applications. This stainless steel bearing features a shielded design, offering robust protection against contamination. Its primary strength lies in handling radial loads efficiently while maintaining smooth operation. With a compact inch-series design and high-grade materials, it delivers excellent performance in corrosive environments and applications requiring high cleanliness, making it a superior choice for high-precision and high-reliability scenarios.
D/W R2 R-2Z Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| D/W | Manufacturer/Series Designation |
| R2 | Bearing size designation (0.125" bore, 0.375" OD) |
| R-2Z | Shielded on both sides, providing effective contamination protection |
D/W R2 R-2Z Bearing Structural Features & Performance Benefits
- High Corrosion Resistance: Constructed entirely from stainless steel (rings, balls, cage), making it ideal for harsh environments, washdown applications, and medical equipment.
- Effective Sealing: The 2Z shields protect the bearing interior from dust and other particulates, extending service life and reducing maintenance needs.
- Pre-Lubricated for Long Life: Factory-filled grease lubrication ensures immediate operation and long-term, maintenance-free performance within the specified temperature range.
- Precision Performance: Manufactured to ABEC 1 (P0) tolerance class with CN radial internal clearance, guaranteeing consistent and smooth running for general precision applications.
- Compact and Lightweight: The inch-dimension design and low weight (0.0014 kg) contribute to space-saving and efficient designs in compact assemblies.
D/W R2 R-2Z Bearing Typical Application Areas
- Medical and Dental Instruments
- Food Processing and Packaging Machinery
- Optical and Precision Positioning Equipment
- Small Electric Motors and Fans
- Office Automation Equipment
- Robotics and Miniature Actuators
