D/W ER1212-2ZS
D/W Series Stainless Steel Miniature Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
D/W ER1212-2ZS
Basic Information
Bearing type
Ball
System of measurement
Inch
Construction
Single Row
Weight
0.0032 kg
Tolerance class
P0
Seal type
Shielded
For load direction
Radial
Main Dimensions
Bore diameter
0.5"
Bore diameter tolerance
-0.00019" to 0.00019"
Outside diameter
0.75"
Outside diameter tolerance
-0.0007" to -0.00031"
Width
0.15618"
Width tolerance
-0.005" to 0"
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
117 lbf
Radial static load rating
61 lbf
Limiting speed
36 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
No drawings available at the moment, will be launched soon
In Stock
Price available upon request.
Our sales team will respond within 24 hours with a competitive quote tailored to your requirements.
REQUEST A QUOTE
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
D/W ER1212-2ZS Bearing Product Overview & Core Advantages
The D/W ER1212-2ZS is a precision single row deep groove ball bearing designed for demanding applications requiring high reliability and dimensional stability. Manufactured entirely from stainless steel, it offers excellent corrosion resistance. Its key advantage lies in its ability to efficiently handle radial loads while offering a compact and lightweight solution. The inclusion of shielded seals (2Z) and pre-applied grease lubrication ensures long-term, maintenance-free operation, making it ideal for applications where reliability is paramount.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| D/W | Manufacturer Series Designation |
| ER1212 | Bearing size designation (0.5" Bore, 0.75" OD) |
| 2Z | Bearing is equipped with shields on both sides. This provides effective protection against contamination while allowing for higher speeds compared to contact seals. |
| S | Indicates the bearing rings and balls are made from stainless steel, providing enhanced corrosion resistance. |
D/W ER1212-2ZS Bearing Structural Features & Performance Benefits
- Corrosion Resistance: Constructed entirely from stainless steel (rings, balls, and cage), this bearing is suited for applications exposed to moisture or corrosive environments, ensuring long service life.
- Contamination Protection: The non-contact shields (2Z) effectively protect the internal bearing components from dust and other particulates, enhancing reliability without significantly increasing rotational torque.
- Maintenance-Free Operation: Pre-lubricated with grease, the bearing is ready for immediate use and is designed for long-term operation without the need for re-lubrication, reducing maintenance costs.
- High-Speed Capability: The combination of a stainless steel cage, precision-ground components, and shielded design contributes to a high limiting speed of 36,000 rpm, making it a capable high-speed bearing.
- Precision & Stability: Manufactured to ABEC 1 (P0) tolerance class with a standard CN radial internal clearance, it provides consistent and reliable performance for a wide range of applications.
D/W ER1212-2ZS Bearing Typical Application Areas
- Medical and Dental Equipment
- Food Processing and Packaging Machinery
- Precision Instruments and Optical Devices
- Small Electric Motors and Fans
- Office Automation Equipment (e.g., printers, scanners)
- Laboratory and Analytical Equipment
