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MR Miniature SeriesDeep Groove Ball Bearings

MF104B

d 4 × D 10 × B 3 mm

The MF104B is a deep groove ball bearing with bore 4mm, outer diameter 10mm, and width 3mm rated for dynamic load 0.8 kN.

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MF104B — representative product photo
Representative product
MF104B · 4x10x3 mm

📋 Technical Specifications

Bore (d)
4mm
Outer Dia. (D)
10mm
Width (B)
3mm
Dynamic Load (Cr)
0.78 kN(780 N)
Static Load (C0r)
0.27 kN(270 N)
Reference Speed
50000rpm
Bearing typeDeep Groove Ball Bearings
SeriesMR Miniature Series
Seal typeOpen
MaterialConfirmed per inquiry — grade and certificate availability reviewed before quotation
Bore typeConfirmed per drawing
Dimension unitmillimeter (mm)

🔐 Model Code Breakdown

What each part of MF104B means.

MF
Mini Flange
MFMF = miniature extended-inner flange

📐 Detailed Dimensions

Basic dimensions (mm)

Bore diameter (d)4
Outer diameter (D)10
Width (B)3

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

📑 Drawings & 3D Model

MF104B bearing dimension drawing, 4 x 10 x 3 mm
MF104B dimension drawing: bore d 4 mm × outer diameter D 10 mm × width B 3 mm. Tolerance class ABEC-1 (P0). Internal design is shown schematically. Flange Ø Df 11.2 mm, flange width Bf 0.6 mm.
📑
2D Drawing (PDF)
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📐
2D DXF File
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📅
3D STEP Model
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The PDF drawing is free to download. DXF and 3D STEP files are sent on request: tell us the model and your application, and we reply with the CAD files.

⚡ Source-Data Reference Speed

Catalog reference
50,000 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 4x10x3 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
MF104Different outer-ring featureExtended Inner-Ring Flanged BearingsOpenQuote →
MR104BSame boundary dimensions — verify fit/loadMR Miniature SeriesOpenQuote →

🔄 Related Models

Same bearing family or similar dimensions.

Same model family — dimensions may differ
MF104B ZZ
4x10x4 mm
Extra Small / Miniature Deep Groove Ball Bearing With Flange
B +1.0mm
Similar size — reference only, verify all interfaces
F4-10
4x10x4 mm
Miniature Thrust Series
B +1.0mm
F4-10M
4x10x4 mm
Miniature Thrust Series
B +1.0mm
MF104 2rs
4x10x4 mm
MF104
B +1.0mm
MF104zz
4x10x4 mm
MF104
B +1.0mm
MR104
4x10x4 mm
MR Miniature Series
B +1.0mm
MR104 2rs
4x10x4 mm
MR
B +1.0mm
MR104B ZZ
4x10x4 mm
Extra Small / Miniature Deep Groove Ball Bearing
B +1.0mm

⚙ 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 →
4,300+
Models
15+
Years
RFQ
Specification Confirmed

❓ Frequently Asked Questions

What are the dimensions of MF104B?
The MF104B bearing has bore (d) = 4 mm, outer diameter (D) = 10 mm, and width (B) = 3 mm.
Is there a MF104B drawing or CAD file?
Yes. The MF104B dimension drawing (PDF) is free to download on this page. DXF and 3D STEP files are sent on request: tell us the model and your application.
What is the load rating of MF104B?
Dynamic load rating (Cr) = 0.78 kN (780 N), static load rating (C0r) = 0.27 kN.
What tolerance class is the MF104B?
The standard tolerance class of the MF104B is ABEC-1 (P0) per GB/T 307.1, unless otherwise agreed.
What bearing series does MF104B belong to?
The MF104B belongs to the MR Miniature Series within the Deep Groove Ball Bearings category.
Can NLHB supply MF104B 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 MF104B 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 MF104B?
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 MF104B

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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