NLHB BEARINGS
Extended Inner-Ring Flanged BearingsDeep Groove Ball BearingsShielded

SMF83

d 3 × D 8 × B 3 mm

The SMF83 is a deep groove ball bearing with bore 3mm, outer diameter 8mm, and width 3mm rated for dynamic load 0.3 kN.

SMF83 — representative product photo
Representative product
SMF83 · 3x8x3 mm

📋 Technical Specifications

Bore (d)
3mm
Outer Dia. (D)
8mm
Width (B)
3mm
Dynamic Load (Cr)
0.30 kN(302.479 N)
Static Load (C0r)
0.10 kN(102.309 N)
Reference Speed
54000rpm
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 SMF83 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 shieldsSMF83 ZZ (inquiry only)General dust protectionQuote →
Double contact rubber sealsSMF83 2RS (inquiry only)Dust and moisture protection at moderate speedQuote →
Double non-contact rubber sealsSMF83 2RZ (inquiry only)Lower-friction sealing at higher speedQuote →
C3 radial clearanceSMF83 C3 (inquiry only)Motors and applications with higher operating temperatureQuote →

📐 Detailed Dimensions

Basic dimensions (mm)

Bore diameter (d)3
Outer diameter (D)8
Width (B)3

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
54,000 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 3x8x3 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
619/3Different outer-ring featureMiniature 600 SeriesOpenQuote →
MF83Different outer-ring featureExtended Inner-Ring Flanged BearingsSealedQuote →
MF83 2rsDifferent outer-ring featureMF83SealedQuote →
MF83zzDifferent outer-ring featureMF83ShieldedQuote →
MR83Different outer-ring featureMR Miniature SeriesSealedQuote →
MR83 2rsDifferent outer-ring featureMRSealedQuote →
MR83zzDifferent outer-ring featureMRShieldedQuote →
SF693Different outer-ring featureF693OpenQuote →
SMF83 2rsConfiguration variantSMF83SealedQuote →
SMF83zzConfiguration variantSMF83ShieldedQuote →

🔄 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 SMF83?
The SMF83 bearing has bore (d) = 3 mm, outer diameter (D) = 8 mm, and width (B) = 3 mm.
What is the load rating of SMF83?
Dynamic load rating (Cr) = 0.30 kN (302.479 N), static load rating (C0r) = 0.10 kN.
What bearing series does SMF83 belong to?
The SMF83 belongs to the Extended Inner-Ring Flanged Bearings within the Deep Groove Ball Bearings category.
Can NLHB supply SMF83 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 SMF83 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 SMF83?
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 SMF83

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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