D/W R12
D/W Series Stainless Steel Miniature Bearings
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Part No.
Part No.
D/W R12
Basic Information
Bearing type
Ball
System of measurement
Inch
Construction
Single Row
Weight
0.046 kg
Tolerance class
P0
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
0.75"
Bore diameter tolerance
-0.00019" to 0.00019"
Outside diameter
1.625"
Outside diameter tolerance
-0.00078" to -0.00031"
Width
0.31252"
Width tolerance
-0.005" to 0"
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
1490 lbf
Radial static load rating
989 lbf
Limiting speed
24 X 1000 rpm
Lubrication
None
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 R12 Bearing Product Overview & Core Advantages
The D/W R12 is a single row deep groove ball bearing engineered for high-performance applications requiring precision and reliability. Manufactured entirely from stainless steel, it offers excellent corrosion resistance. This bearing is designed to accommodate primarily radial loads and is characterized by its compact design, high limiting speed, and operation within a wide temperature range. Its open construction and P0 tolerance class make it a versatile and cost-effective solution for various industrial settings.
D/W R12 Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Interpretation | Technical Significance |
|---|---|---|
| D/W | Manufacturer / Series Designation | Identifies the bearing series from a specific manufacturer. |
| R12 | Bore Size Code (0.75") | Specifies the imperial bore diameter of the bearing. |
| Open (Implied) | No Seals or Shields | Allows for high-speed operation and easy re-lubrication. No suffix indicates an open bearing. |
D/W R12 Bearing Structural Features & Performance Benefits
- All-Stainless-Steel Construction: The rings, balls, and cage are made from stainless steel, providing superior corrosion resistance and making the bearing suitable for harsh environments, including those requiring wash-down or exposure to certain chemicals.
- High-Speed Capability: The open design and precision engineering contribute to a high limiting speed of 24,000 rpm, ideal for applications requiring rapid rotation.
- Precision & Load Capacity: Built to P0 tolerance class with a standard CN radial internal clearance, this bearing offers reliable and consistent performance. It features a radial dynamic load rating of 1490 lbf and a static load rating of 989 lbf, ensuring durability under load.
- Flexible Lubrication: Supplied without grease (None), it allows the user to select the optimal lubricant for the specific application, whether for extreme temperatures, food-grade requirements, or other specialized conditions.
D/W R12 Bearing Typical Application Areas
This single row ball bearing is ideally suited for a wide range of applications, including:
- Medical and Dental Equipment
- Food Processing and Packaging Machinery
- Precision Instruments and Optical Devices
- Agricultural Machinery
- Conveyor Systems
- Electric Motors and Small Gearboxes
