D/W R133-2ZS
D/W Series Stainless Steel Miniature Bearings
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Part No.
Part No.
D/W R133-2ZS
Basic Information
Bearing type
Ball
System of measurement
Inch
Construction
Single Row
Weight
0.000203 kg
Tolerance class
P0
Seal type
Shielded
For load direction
Radial
Main Dimensions
Bore diameter
0.0937"
Bore diameter tolerance
-0.00019" to 0.00019"
Outside diameter
0.18748"
Outside diameter tolerance
-0.0007" to -0.00031"
Width
0.0937"
Width tolerance
-0.005" to 0"
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
18 lbf
Radial static load rating
6 lbf
Limiting speed
95 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
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D/W R133-2ZS Bearing Product Overview & Core Advantages
The D/W R133-2ZS is a precision miniature ball bearing designed for demanding applications requiring high reliability and compact design. As a single row radial ball bearing, it efficiently handles radial loads and is constructed entirely from stainless steel for enhanced corrosion resistance. Its key advantages include a shielded design (2ZS) for contaminant protection and pre-lubrication for long-term, maintenance-free operation, making it ideal for high-speed, precision instruments and compact mechanisms.
D/W R133-2ZS Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| D/W | Manufacturer Series Designation |
| R133 | Basic Bearing Size Code |
| 2Z | Bearing with Shields on Both Sides. This provides effective protection against solid contaminants while allowing for high-speed operation. |
| S | Indicates the bearing rings and balls are made from Stainless Steel, offering excellent corrosion resistance. |
D/W R133-2ZS Bearing Structural Features & Performance Benefits
- Compact & Lightweight Design: With a bore diameter of just 0.0937" and a weight of only 0.000203 kg, this bearing is engineered for space-constrained and weight-sensitive applications.
- High-Speed Capability: The combination of a stainless steel cage, precision grinding, and optimized grease lubrication enables a high limiting speed of 95,000 rpm.
- Corrosion Resistance & Cleanliness: The all-stainless steel construction (rings, balls, cage) ensures reliable performance in humid or corrosive environments and is suitable for cleanroom applications.
- Maintenance-Free Operation: The double-shielded (2Z) design retains the factory-fill grease, protecting the bearing from contamination and providing long service life without re-lubrication.
- Precision Performance: Manufactured to P0 tolerance class and standard CN radial internal clearance, this bearing delivers consistent and smooth running for precision equipment.
D/W R133-2ZS Bearing Typical Application Areas
- Precision Instruments: Optical encoders, medical devices, and laboratory equipment.
- Small Motors & Gearboxes: High-speed spindle motors in drones, miniature DC motors, and precision gearheads.
- Office Automation & Robotics: Scanner mechanisms, small robotic joints, and actuator systems.
- Consumer Electronics: Computer cooling fans, small pumps, and other compact mechanical drives.
