NLHB BEARINGS
Extended Inner-Ring Flanged BearingsDeep Groove Ball BearingsSealed

SMF126

d 6 × D 12 × B 4 mm

The SMF126 is a deep groove ball bearing with bore 6mm, outer diameter 12mm, and width 4mm rated for dynamic load 0.5 kN.

SMF126 — representative product photo
Representative product
SMF126 · 6x12x4 mm

📋 Technical Specifications

Bore (d)
6mm
Outer Dia. (D)
12mm
Width (B)
4mm
Dynamic Load (Cr)
0.55 kN(547.131 N)
Static Load (C0r)
0.21 kN(213.515 N)
Reference Speed
38700rpm
Bearing typeDeep Groove Ball Bearings
SeriesExtended Inner-Ring Flanged Bearings
Seal typeSealed
MaterialConfirmed per inquiry — grade and certificate availability reviewed before quotation
Bore typeConfirmed per drawing
Dimension unitmillimeter (mm)

🔐 Model Code Breakdown

What each part of SMF126 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 shieldsSMF126 ZZ (inquiry only)General dust protectionQuote →
Double contact rubber sealsSMF126 2RS (inquiry only)Dust and moisture protection at moderate speedQuote →
Double non-contact rubber sealsSMF126 2RZ (inquiry only)Lower-friction sealing at higher speedQuote →
C3 radial clearanceSMF126 C3 (inquiry only)Motors and applications with higher operating temperatureQuote →

📐 Detailed Dimensions

Basic dimensions (mm)

Bore diameter (d)6
Outer diameter (D)12
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
38,700 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 6x12x4 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
FMR126Different outer-ring featureFlanged Thin-Section BearingsOpenQuote →
MF126Different outer-ring featureExtended Inner-Ring Flanged BearingsSealedQuote →
MF126 2rsDifferent outer-ring featureMF126SealedQuote →
MF126 ZZDifferent outer-ring featureMF126Metal ShieldsQuote →
MF126ZZDifferent outer-ring featureMR Miniature SeriesShieldedQuote →
MR126Different outer-ring featureMR Miniature SeriesSealedQuote →
MR126 2rsDifferent outer-ring featureMRSealedQuote →
MR126 ZZDifferent outer-ring featureMRMetal ShieldsQuote →
MR126ZZDifferent outer-ring featureMR Miniature SeriesShieldedQuote →
NMR126Different outer-ring featureDeep Groove Bearings with Snap-Ring GrooveOpenQuote →
NMR126 ZZDifferent outer-ring featureDeep Groove Bearings with Snap-Ring GrooveMetal ShieldsQuote →
SMF126 2rsConfiguration variantSMF126SealedQuote →
SMF126zzConfiguration variantSMF126ShieldedQuote →

🔄 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 SMF126?
The SMF126 bearing has bore (d) = 6 mm, outer diameter (D) = 12 mm, and width (B) = 4 mm.
What is the load rating of SMF126?
Dynamic load rating (Cr) = 0.55 kN (547.131 N), static load rating (C0r) = 0.21 kN.
What bearing series does SMF126 belong to?
The SMF126 belongs to the Extended Inner-Ring Flanged Bearings within the Deep Groove Ball Bearings category.
Can NLHB supply SMF126 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 SMF126 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 SMF126?
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 SMF126

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

Request Quote →
Inquiry List 0

Your Inquiry List

Submit All as Quote →