NLHB BEARINGS
Standard Flanged BearingsDeep Groove Ball BearingsShieldedcross-ref: NSK

F684ZZ

d 4 × D 9 × B 4 mm

The F684ZZ is a deep groove ball bearing with bore 4mm, outer diameter 9mm, and width 4mm rated for dynamic load 0.7 kN.

F684ZZ — representative product photo
Representative product
F684ZZ · 4x9x4 mm

📋 Technical Specifications

Bore (d)
4mm
Outer Dia. (D)
9mm
Width (B)
4mm
Dynamic Load (Cr)
0.70 kN(705 N)
Static Load (C0r)
0.23 kN(225 N)
Reference Speed
53000rpm
Bearing typeDeep Groove Ball Bearings
SeriesStandard Flanged Bearings
Seal typeShielded
MaterialConfirmed per inquiry — grade and certificate availability reviewed before quotation
Bore typeConfirmed per drawing
Dimension unitmillimeter (mm)

🔐 Model Code Breakdown

What each part of F684ZZ means.

F
Flange
FF = flanged outer ring

📐 Detailed Dimensions

Basic dimensions (mm)

Bore diameter (d)4
Outer diameter (D)9
Width (B)4

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

📑 Drawings & 3D Model

📑
2D Drawing
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📅
3D STEP Model
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🔎
CAD File
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Drawings and 3D models are provided per inquiry. Tell us your application and we will send the appropriate file format (DXF, DWG, STEP, IGES).

Source-Data Reference Speed

Catalog reference
53,000 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 4x9x4 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
684 2rsDifferent outer-ring featureMetric Miniature SeriesSealedQuote →
684A ZZDifferent outer-ring featureExtra Small / Miniature Deep Groove Ball BearingMetal ShieldsQuote →
684AZZ1Different outer-ring feature6700 / 6800 / 6900 Thin-Section SeriesMetal ShieldsQuote →
684zzDifferent outer-ring featureMetric Miniature SeriesShieldedQuote →
F4-9Different outer-ring featureMiniature Thrust SeriesOpenQuote →
F4-9MDifferent outer-ring featureMiniature Thrust SeriesOpenQuote →
F684Configuration variantStandard Flanged BearingsSealedQuote →
F684 2rsConfiguration variantF684SealedQuote →
F684 ZZConfiguration variantF684Metal ShieldsQuote →
SF684 2rsDifferent outer-ring featureF684SealedQuote →
SF684zzDifferent outer-ring featureF684ShieldedQuote →

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 →
4,315
Catalog Models
15+
Years
RFQ
Specification Confirmed

Frequently Asked Questions

What are the dimensions of F684ZZ?
The F684ZZ bearing has bore (d) = 4 mm, outer diameter (D) = 9 mm, and width (B) = 4 mm.
What is the load rating of F684ZZ?
Dynamic load rating (Cr) = 0.70 kN (705 N), static load rating (C0r) = 0.23 kN.
What bearing series does F684ZZ belong to?
The F684ZZ belongs to the Standard Flanged Bearings within the Deep Groove Ball Bearings category.
Can NLHB supply F684ZZ 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 F684ZZ 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 F684ZZ?
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 F684ZZ

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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