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Standard Flanged BearingsDeep Groove Ball Bearings

F688A

d 8 × D 16 × B 4 mm

The F688A is a deep groove ball bearing with bore 8mm, outer diameter 16mm, and width 4mm rated for dynamic load 1.8 kN.

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F688A — representative product photo
Representative product
F688A · 8x16x4 mm

📋 Technical Specifications

Bore (d)
8mm
Outer Dia. (D)
16mm
Width (B)
4mm
Dynamic Load (Cr)
1.77 kN(1770 N)
Static Load (C0r)
0.71 kN(710 N)
Reference Speed
36000rpm
Bearing typeDeep Groove Ball Bearings
SeriesStandard Flanged Bearings
Seal typeOpen
MaterialConfirmed per inquiry — grade and certificate availability reviewed before quotation
Bore typeConfirmed per drawing
Dimension unitmillimeter (mm)

🔐 Model Code Breakdown

What each part of F688A means.

F
Flange
FF = flanged outer ring

📐 Detailed Dimensions

Basic dimensions (mm)

Bore diameter (d)8
Outer diameter (D)16
Width (B)4

Corner radius, shoulder dimensions, fits and tolerances are confirmed against the requested suffix and application drawing before quotation.

📑 Drawings & 3D Model

F688A bearing dimension drawing, 8 x 16 x 4 mm
F688A dimension drawing: bore d 8 mm × outer diameter D 16 mm × width B 4 mm. Tolerance class ABEC-1 (P0). Internal design is shown schematically. Flange Ø Df 18 mm, flange width Bf 1 mm.
📑
2D Drawing (PDF)
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📐
2D DXF File
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📅
3D STEP Model
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The PDF drawing is free to download. DXF and 3D STEP files are sent on request: tell us the model and your application, and we reply with the CAD files.

⚡ Source-Data Reference Speed

Catalog reference
36,000 rpm

Lubrication method and application speed limit are confirmed per inquiry; no oil-speed value is derived from this number.

⇄ Same-size Bearings & Reference Options

The models below share the 8x16x4 mm boundary dimensions. Matching d/D/B alone does not prove interchangeability; verify seals, clearance, ring features, load ratings, fits, and application conditions before replacement.

ModelRelationshipSeriesSealAction
618/8Different outer-ring featureMiniature 600 SeriesOpenQuote →
688Different outer-ring feature6700 / 6800 / 6900 Thin-Section SeriesOpenQuote →
688ADifferent outer-ring feature6700 / 6800 / 6900 Thin-Section SeriesOpenQuote →
F688Different outer-ring featureStandard Flanged BearingsOpenQuote →
SF688Different outer-ring featureF688OpenQuote →

🔄 Related Models

Same bearing family or similar dimensions.

Same model family — dimensions may differ
F688A 2RS
8x16x5 mm
Standard Flanged Bearings
B +1.0mm
F688A 2RZ
8x16x5 mm
Standard Flanged Bearings
B +1.0mm
F688A ZZ
8x16x5 mm
Extra Small / Miniature Deep Groove Ball Bearing With Flange
B +1.0mm
Similar size — reference only, verify all interfaces
688 2rs
8x16x5 mm
Metric Miniature Series
B +1.0mm
688A 2RS
8x16x5 mm
6700 / 6800 / 6900 Thin-Section Series
B +1.0mm
688A 2RZ
8x16x5 mm
6700 / 6800 / 6900 Thin-Section Series
B +1.0mm
688A ZZ1
8x16x5 mm
Extra Small / Miniature Deep Groove Ball Bearing
B +1.0mm
688ADD
8x16x5 mm
6700 / 6800 / 6900 Thin-Section Series
B +1.0mm
688AVV
8x16x5 mm
6700 / 6800 / 6900 Thin-Section Series
B +1.0mm
688AZZ1
8x16x5 mm
6700 / 6800 / 6900 Thin-Section Series
B +1.0mm
688zz
8x16x5 mm
Metric Miniature Series
B +1.0mm

⚙ Typical Applications

Electric motors
Fans and blowers
Pumps
Household appliances
Power tools
Office equipment
General machinery

Why choose NLHB?

NLHB supports both in-house manufacturing and qualified partner sourcing. We confirm the specification, supply route, inspection requirements, and available documentation before quotation.

About NLHB →
4,300+
Models
15+
Years
RFQ
Specification Confirmed

❓ Frequently Asked Questions

What are the dimensions of F688A?
The F688A bearing has bore (d) = 8 mm, outer diameter (D) = 16 mm, and width (B) = 4 mm.
Is there a F688A drawing or CAD file?
Yes. The F688A dimension drawing (PDF) is free to download on this page. DXF and 3D STEP files are sent on request: tell us the model and your application.
What is the load rating of F688A?
Dynamic load rating (Cr) = 1.77 kN (1770 N), static load rating (C0r) = 0.71 kN.
What tolerance class is the F688A?
The standard tolerance class of the F688A is ABEC-1 (P0) per GB/T 307.1, unless otherwise agreed.
What bearing series does F688A belong to?
The F688A belongs to the Standard Flanged Bearings within the Deep Groove Ball Bearings category.
Can NLHB supply F688A equivalents from other brands?
Depending on the model and order requirements, NLHB may manufacture in-house or source through qualified partner factories. Interchange and supply route are confirmed against your specification before quotation. All trademarks belong to their respective owners.
How do I order F688A from NLHB?
Click "Request Quote" and send us your quantity, application, and required specifications. We review the specification, supply route, lead time, and pricing before issuing a quotation. Response time depends on specification complexity.
What materials are available for F688A?
Material grade is confirmed per inquiry. Availability depends on the model, quantity, application, and whether the order is manufactured in-house or sourced through a qualified partner factory. Material certificates or inspection documents are confirmed before quotation when required.

Get a quote for F688A

Send us your quantity, application and target lead time. We confirm spec, interchange and realistic delivery — no order confirmed until you approve.

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