F 688 H 2RS EZO 8x16x5 Ball Bearing

Applications & Industry Fit

The F 688 H 2RS EZO bearing—sized 8 mm inner diameter x 16 mm outer diameter x 5 mm width—is a flanged, double-sealed miniature deep groove ball bearing that is increasingly referenced in English-language searches such as “F688H 2RS EZO”, “8x16x5 sealed ball bearing”, “miniature flanged bearing 8x16x5”, and “sealed flanged ball bearing 8mm bore”. Its compact format and high durability make it ideal for precision applications in automation, robotics, electric motors, instrumentation, and compact drive units. The flanged outer ring facilitates easy mounting into housings or assemblies, while the 2RS rubber seals effectively protect against contamination and lubricant leakage, supporting industrial and automation usage.

Key Benefits & Design Features

• Flanged (F) outer ring design: The presence of a flange simplifies assembly into housings and enhances axial positioning stability—especially useful in space-constrained mechanical units or where the bearing must locate against a shoulder.

• Dual rubber seals (2RS): Each side of the bearing is sealed with a rubber contact lip, which retains lubrication and excludes dust, moisture and debris—essential in industrial environments and precision assemblies.

• High-precision manufacture by EZO: Japanese brand EZO is renowned for miniature bearing quality. English searches often include “EZO F688H 2RS”, “EZO miniature flanged bearing”, confirming its relevance and recognition in the global marketplace.

• Compact 8x16x5 mm dimension: This form factor supports applications where small size and high performance intersect—gearboxes, micro-motors, analytics equipment, and small machine components.

• Ready to install: The bearing comes factory-lubricated and sealed, reducing maintenance burden and enabling faster installation—important for B2B customers seeking reliable “unit bearing” solutions.

Technical Data & Specification

• Bore (d): 8 mm

• Outer diameter (D): 16 mm

• Width (B): 5 mm

• Bearing type: Single-row deep groove ball bearing, flanged (F)

• Seal type: 2RS - rubber seals both sides

• Brand: EZO (Japan)

• Typical search phrases: “sealed ball bearing 8x16x5 mm”, “flanged miniature ball bearing 8x16x5”, “EZO F688H sealed bearing”.

• Key features: Flanged outer ring, dual seals, high durability, suitable for radial loads and moderate axial loads in compact installation environments.

FAQ

Q1: What does the suffix “F” in the bearing designation mean?
A1: In the model F 688 H 2RS, the letter “F” denotes a flanged outer ring (kołnierzowy pierścień zewnętrzny), providing an axle against which the bearing can be mounted securely and simplifying insertion into housings.

Q2: Why is the “2RS” seal code important?
A2: “2RS” indicates the bearing includes rubber seals on both sides, which significantly improves retention of lubricant and protection from contaminants—especially valuable in industrial, automation or moisture-exposed settings.

Q3: Which industries commonly use this miniature bearing 8x16x5 mm?
A3: Industries such as robotics, precision instrumentation, printed circuit board equipment, electric micro-motors, compact gear units, and automation modules often select this size for its balance of small footprint and robust performance.

Q4: How do I choose the correct miniature sealed ball bearing for my design?
A4: Match the inner diameter (shaft size), outer diameter (housing or bore size) and width to your available space and loads. Also consider sealing requirements (e.g., dust, moisture), rotational speed and load type. For instance, choose 8x16x5 mm if your shaft is 8 mm and you require compact width and sealed protection.

Q5: Is this bearing suited for heavy industrial load applications?
A5: While the F 688 H 2RS is designed for miniature applications and offers high durability in its category, it is best suited for compact machines or precision assemblies rather than very large heavy-load industrial units. For heavier loads, larger series bearings would be more appropriate.