SF682xzz
SF Series Stainless Steel Flanged Miniature Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
SF682xzz
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.42 g
Tolerance class
ABEC1
Seal type
Shielded
For load direction
Radial
Main Dimensions
Bore diameter
2.5 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
6 mm
Outside diameter tolerance
-0.008mm to 0
Width
2.6 mm
Width tolerance
-0.12mm to 0
Inner Ring Dimensions
Inner ring type
Standard
Outer Ring Dimensions
Flange outer diameter
7.1 mm
Flange thickness
0.8 mm
Ball & Washer Dimensions
Ball diameter
0.8 mm
Ball quantity
8
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
36 lbf
Radial static load rating
12 lbf
Limiting speed
63.9 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
300 Series Stainless Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 2.76
/ each
In Stock
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SF682xzz Bearing Product Overview & Core Advantages
The SF682xzz is a miniature single row deep groove ball bearing engineered for precision applications requiring compact design and reliable performance. Constructed entirely from stainless steel, it offers excellent corrosion resistance. Its shielded design provides effective contamination protection while maintaining low running torque. This bearing is optimized for handling radial loads and is ideal for high-speed, low-torque operations, making it a critical component in miniature and precision devices where space is limited and reliability is paramount.
SF682xzz Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Benefit |
|---|---|---|
| SF682 | Standard bearing series designation, indicating the core dimensions (2.5mm bore, 6mm OD). | Defines the compact size and interchangeability. |
| x | Placeholder for specific flange variations (e.g., SF682-2RS has a different flange). | Indicates a variant within the series. |
| zz | Denotes non-contact shields on both sides of the bearing. | Protects against contaminants with minimal impact on limiting speed and friction. |
SF682xzz Bearing Structural Features & Performance Benefits
- Compact & Robust Construction: The single-row deep groove raceway and stainless steel construction (rings, balls, cage) provide high strength and durability in a minimal footprint, with a weight of only 0.42 g.
- Optimized Load Capacity: Designed to efficiently carry radial dynamic loads (rated 36 lbf), making it suitable for applications with significant rotational forces.
- High-Speed Capability: The combination of a stainless steel cage, precision-ground balls (0.8 mm diameter), and non-contact shields enables a high limiting speed of 63,900 rpm.
- Precision & Stability: Manufactured to ABEC1 tolerance class with an MC3 radial internal clearance (0.002mm to 0.013mm), ensuring smooth, consistent, and low-vibration operation.
- Corrosion Resistance: The all-stainless-steel build and 300 series shield material ensure reliable performance in humid or corrosive environments, with a temperature range of -30° to 110 °C.
SF682xzz Bearing Typical Application Areas
- Small Precision Motors: Ideal for spindle support in miniature DC motors and stepper motors.
- Medical and Dental Devices: Used in handheld surgical tools, dental handpieces, and miniature pumps where reliability and corrosion resistance are critical.
- Office Automation Equipment: Found in precision mechanisms within printers, scanners, and copiers.
- Instrumentation and Gauges: Supports rotating components in precision measuring devices and indicators.
- Robotics and RC Models: Provides durable, high-speed support in small joints, gears, and drive systems.
