F634 2rs
F Series Flanged Miniature Bearings
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Part No.
Part No.
F634 2rs
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
5.98 g
Tolerance class
ABEC1
Seal type
Sealed
For load direction
Radial
Main Dimensions
Bore diameter
4 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
16 mm
Outside diameter tolerance
-0.008mm to 0
Width
5 mm
Width tolerance
-0.12mm to 0
Inner Ring Dimensions
Inner ring type
Standard
Outer Ring Dimensions
Flange outer diameter
18 mm
Flange thickness
1 mm
Ball & Washer Dimensions
Ball diameter
2.381 mm
Ball quantity
7
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
256 lbf
Radial static load rating
94 lbf
Limiting speed
36 X 1000 rpm
Lubrication
Required
Radial internal clearance
0.002mm to 0.013mm
Radial internal clearance
MC3
Materials
Ring material
Chrome Steel
Ball material
Chrome 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:
$ 1.32
/ each
In Stock
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F634 2rs Bearing Product Overview & Core Advantages
The F634 2rs is a sealed miniature ball bearing designed for compact, high-performance applications. As a single row deep groove ball bearing, it excels at handling radial loads while also accommodating moderate axial loads in both directions. Its primary advantages include a compact design, reliable sealed construction for contaminant exclusion, and consistent performance within its specified operational range, making it an ideal choice for applications demanding high reliability and long service life in constrained spaces.
F634 2rs Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Advantage |
|---|---|---|
| F634 | Standard bearing series designation, indicating a metric, flanged, miniature bearing with a 4mm bore. | Defines the core bearing dimensions and flanged outer ring for secure mounting. |
| 2RS | Contact seals on both sides, made of Nitrile Rubber (NBR). | Provides excellent protection against dust and moisture ingress, retaining lubricant for extended service life and reduced maintenance. |
F634 2rs Bearing Structural Features & Performance Benefits
- Robust Construction & High Reliability: Manufactured from Chrome Steel rings and balls with a Stainless Steel cage, this bearing offers excellent durability and resistance to wear, ensuring stable operation.
- Effective Sealing for Contaminant Exclusion: The 2RS double-sided contact seals are highly effective at excluding contaminants, making the bearing suitable for environments where dust or moisture is present. This sealing also helps to retain the factory-fitted lubricant.
- Flanged Design for Easy Installation & Positioning: The integrated flange on the outer ring simplifies axial location and mounting, enhancing assembly accuracy and stability in housings.
- Optimized for Miniature Applications: With a compact cross-section (16mm OD, 5mm width) and low weight (5.98g), it is engineered for space-sensitive designs without sacrificing load capacity.
F634 2rs Bearing Typical Application Areas
- Small Electric Motors: Ideal for spindle support in small DC motors, fans, and blowers.
- Precision Instruments & Optical Devices: Used in encoders, scanners, and laboratory equipment requiring smooth, low-noise operation.
- Office Automation Equipment: Commonly found in printers, copiers, and small drives.
- Radio-Controlled Models & Hobbyist Projects: Provides reliable performance in drones, miniature cars, and other RC applications.
- Medical Devices: Suitable for small pumps and handheld medical instruments where compact size and reliability are critical.
