S633 2rs
600 Series Stainless Steel Miniature Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S633 2rs
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
3.43 g
Tolerance class
ABEC1
Seal type
Sealed
For load direction
Radial
Main Dimensions
Bore diameter
3 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
13 mm
Outside diameter tolerance
-0.008mm to 0
Width
5 mm
Width tolerance
-0.12mm to 0
Inner Ring Dimensions
Inner ring type
Standard
Ball & Washer Dimensions
Ball diameter
2.381 mm
Ball quantity
6
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
224 lbf
Radial static load rating
79 lbf
Limiting speed
36 X 1000 rpm
Lubrication
Required
Radial internal clearance
MC3
Radial internal clearance
0.002mm to 0.013mm
Materials
Ring material
Stainless Steel
Ball material
Stainless Steel
Cage material
Stainless Steel
Shield material
Nitrile Rubber
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 1.35
/ each
In Stock
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S633 2rs Bearing Product Overview & Core Advantages
The S633 2RS is a metric single row deep groove ball bearing engineered for high reliability in compact applications. Constructed entirely from stainless steel for superior corrosion resistance, it features integral rubber seals (2RS) on both sides to effectively retain lubrication and exclude contaminants. This bearing is designed to primarily handle radial loads and is characterized by its low friction, quiet operation, and long service life, making it an ideal choice for applications demanding precision and durability in limited spaces.
S633 2rs Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| S633 | Basic model number denoting a metric, single row deep groove ball bearing with a 3mm bore, 13mm OD, and 5mm width. |
| 2RS | Indicates the bearing is equipped with two rubber contact seals (one on each side). This provides excellent protection against contamination and grease loss. |
S633 2rs Bearing Structural Features & Performance Benefits
- Robust Sealing: The nitrile rubber (NBR) contact seals (2RS) create an effective barrier against dust, moisture, and other pollutants, significantly enhancing bearing life in harsh environments. This design also securely retains the lubricant.
- Corrosion Resistance: Manufactured with stainless steel rings, balls, and cage, this bearing is highly resistant to rust and corrosion, suitable for applications exposed to water, chemicals, or washdowns.
- Precision & Smooth Operation: Built to ABEC1 tolerance class with a controlled radial internal clearance (MC3 group), this bearing ensures consistent performance, low noise, and low vibration.
- High-Speed Capability: The optimized design and stainless steel cage contribute to a high limiting speed of 36,000 rpm, making it suitable for demanding high-speed applications.
S633 2rs Bearing Typical Application Areas
This versatile miniature bearing is commonly specified in:
- Precision Instruments: Optical encoders, measuring devices, and small gauges.
- Small Motors and Gearboxes: Stepper motors, DC micromotors, and precision gear drives.
- Office Automation Equipment: Printers, scanners, and copiers.
- Medical Devices: Small pumps, dental handpieces, and laboratory equipment.
- Radio Control Models: Drones, RC car transmissions, and servo mechanisms.
