SF627zz
SF Series Stainless Steel Flanged Miniature Bearings
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Basic Information
Main Dimensions
Inner Ring Dimensions
Outer Ring Dimensions
Ball & Washer Dimensions
Performance
Materials
Environment & Compliance
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SF627zz Bearing Product Overview & Core Advantages
The SF627zz is a metric single row deep groove ball bearing designed for precision radial load applications. Constructed entirely from stainless steel (rings, balls, and cage), it offers excellent corrosion resistance. Its key advantages include a compact flanged design for simplified mounting and positioning, shielded construction to protect against contamination, and reliable performance within a standard ABEC1 tolerance class. This bearing is engineered for applications demanding high reliability and long service life in challenging environments.
SF627zz Bearing Model Code Explained, Specifications & Naming Convention
- SF627: Basic bearing series designation, indicating a flanged, single-row deep groove ball bearing with specific dimensions.
- zz: Denotes that the bearing is equipped with shields on both sides (non-contact). This helps retain lubricant and exclude larger contaminants, contributing to a maintenance-free design.
SF627zz Bearing Structural Features & Performance Benefits
Deep Groove Raceway & High-Quality Construction: The deep groove geometry enables the bearing to handle not only radial loads but also moderate axial loads in both directions. The use of stainless steel for all critical components ensures consistent performance and resistance to corrosion.
Flanged Outer Ring: The integral flange (25 mm outer diameter) simplifies axial location within a housing, reduces assembly costs, and provides a compact bearing arrangement.
Shielded Design: The 300 series stainless steel shields protect the internal bearing components, enhancing operational reliability and extending lubricant life by preventing the ingress of coarse contaminants.
Performance Specifications: With a radial dynamic load rating of 566 lbf and a limiting speed of 27,000 rpm, this bearing is suited for a wide range of high-speed applications. The standard MC3 radial internal clearance ensures optimal performance under normal operating conditions.
SF627zz Bearing Typical Application Areas
The SF627zz is ideally suited for use in:
- Small Electric Motors and Precision Gearboxes
- Medical Devices and Dental Handpieces
- Food Processing Equipment and Laboratory Instruments
- Office Automation Equipment (e.g., printers, scanners)
- Various Industrial Machinery requiring compact, corrosion-resistant bearing solutions.