NLHB BEARINGS
Extended Inner-Ring Flanged BearingsDeep Groove Ball BearingsSealedcross-ref: NSK

MF63

d 3 × D 6 × B 2.5 mm

The MF63 is a deep groove ball bearing with bore 3mm, outer diameter 6mm, and width 2.5mm rated for dynamic load 0.2 kN.

MF63 — representative product photo
Representative product
MF63 · 3x6x2.5 mm

📋 Technical Specifications

Bore (d)
3mm
Outer Dia. (D)
6mm
Width (B)
2.5mm
Dynamic Load (Cr)
0.18 kN(177.929 N)
Static Load (C0r)
0.06 kN(57.827 N)
Reference Speed
71000rpm
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 MF63 means.

MF
Mini Flange
MFMF = miniature extended-inner 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 shieldsMF63 ZZGeneral dust protectionQuote →
Double contact rubber sealsMF63 2RS (inquiry only)Dust and moisture protection at moderate speedQuote →
Double non-contact rubber sealsMF63 2RZ (inquiry only)Lower-friction sealing at higher speedQuote →
C3 radial clearanceMF63 C3 (inquiry only)Motors and applications with higher operating temperatureQuote →

📐 Detailed Dimensions

Basic dimensions (mm)

Bore diameter (d)3
Outer diameter (D)6
Width (B)2.5

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
71,000 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 3x6x2.5 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
MF63 2rsConfiguration variantMF63SealedQuote →
MF63 ZZConfiguration variantMF63Metal ShieldsQuote →
MF63ZZConfiguration variantMR Miniature SeriesShieldedQuote →
MR63 2rsDifferent outer-ring featureMRSealedQuote →
MR63 ZZDifferent outer-ring featureMRMetal ShieldsQuote →
MR63ZZDifferent outer-ring featureMR Miniature SeriesShieldedQuote →
SMF63 2rsDifferent outer-ring featureSMF63SealedQuote →
SMF63zzDifferent outer-ring featureSMF63ShieldedQuote →

🔄 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 MF63?
The MF63 bearing has bore (d) = 3 mm, outer diameter (D) = 6 mm, and width (B) = 2.5 mm.
What is the load rating of MF63?
Dynamic load rating (Cr) = 0.18 kN (177.929 N), static load rating (C0r) = 0.06 kN.
What bearing series does MF63 belong to?
The MF63 belongs to the Extended Inner-Ring Flanged Bearings within the Deep Groove Ball Bearings category.
Can NLHB supply MF63 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 MF63 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 MF63?
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 MF63

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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