NLHB BEARINGS
Extended Inner-Ring Flanged BearingsDeep Groove Ball BearingsShielded

SMF104

d 4 × D 10 × B 4 mm

The SMF104 is a deep groove ball bearing with bore 4mm, outer diameter 10mm, and width 4mm rated for dynamic load 0.5 kN.

SMF104 — representative product photo
Representative product
SMF104 · 4x10x4 mm

📋 Technical Specifications

Bore (d)
4mm
Outer Dia. (D)
10mm
Width (B)
4mm
Dynamic Load (Cr)
0.54 kN(542.683 N)
Static Load (C0r)
0.20 kN(195.722 N)
Reference Speed
43200rpm
Bearing typeDeep Groove Ball Bearings
SeriesExtended Inner-Ring 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 SMF104 means.

SMF
Super Mini Flange
SMFSMF = super-miniature flange

📋 Nominal Variants by Seal Type

Catalog variants open a detail page. Inquiry-only configurations go directly to RFQ.

Seal TypeModel CodeTypical Use
Double metal shieldsSMF104 ZZ (inquiry only)General dust protectionQuote →
Double contact rubber sealsSMF104 2RS (inquiry only)Dust and moisture protection at moderate speedQuote →
Double non-contact rubber sealsSMF104 2RZ (inquiry only)Lower-friction sealing at higher speedQuote →
C3 radial clearanceSMF104 C3 (inquiry only)Motors and applications with higher operating temperatureQuote →

📐 Detailed Dimensions

Basic dimensions (mm)

Bore diameter (d)4
Outer diameter (D)10
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
Request drawing →
📅
3D STEP Model
Request STEP →
🔎
CAD File
Request CAD →

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
43,200 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 4x10x4 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
F4-10Different outer-ring featureMiniature Thrust SeriesOpenQuote →
F4-10MDifferent outer-ring featureMiniature Thrust SeriesOpenQuote →
MF104 2rsDifferent outer-ring featureMF104SealedQuote →
MF104B ZZDifferent outer-ring featureExtra Small / Miniature Deep Groove Ball Bearing With FlangeMetal ShieldsQuote →
MF104BZZDifferent outer-ring featureMR Miniature SeriesMetal ShieldsQuote →
MF104zzDifferent outer-ring featureMF104ShieldedQuote →
MR104Different outer-ring featureMR Miniature SeriesShieldedQuote →
MR104 2rsDifferent outer-ring featureMRSealedQuote →
MR104B ZZDifferent outer-ring featureExtra Small / Miniature Deep Groove Ball BearingMetal ShieldsQuote →
MR104BZZDifferent outer-ring featureMR Miniature SeriesMetal ShieldsQuote →
MR104zzDifferent outer-ring featureMRShieldedQuote →
SMF104 2rsConfiguration variantSMF104SealedQuote →
SMF104zzConfiguration variantSMF104ShieldedQuote →

🔄 Related Models

Same bearing family or similar dimensions.

Similar size — reference only, verify all interfaces

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 SMF104?
The SMF104 bearing has bore (d) = 4 mm, outer diameter (D) = 10 mm, and width (B) = 4 mm.
What is the load rating of SMF104?
Dynamic load rating (Cr) = 0.54 kN (542.683 N), static load rating (C0r) = 0.20 kN.
What bearing series does SMF104 belong to?
The SMF104 belongs to the Extended Inner-Ring Flanged Bearings within the Deep Groove Ball Bearings category.
Can NLHB supply SMF104 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 SMF104 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 SMF104?
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 SMF104

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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