NLHB BEARINGS
MR Miniature SeriesDeep Groove Ball BearingsSealed

MR126

d 6 × D 12 × B 4 mm

The MR126 is a deep groove ball bearing with bore 6mm, outer diameter 12mm, and width 4mm rated for dynamic load 0.6 kN.

MR126 — representative product photo
Representative product
MR126 · 6x12x4 mm

📋 Technical Specifications

Bore (d)
6mm
Outer Dia. (D)
12mm
Width (B)
4mm
Dynamic Load (Cr)
0.61 kN(609.406 N)
Static Load (C0r)
0.24 kN(235.756 N)
Reference Speed
43000rpm
Bearing typeDeep Groove Ball Bearings
SeriesMR Miniature Series
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 MR126 means.

MR
Miniature
MRMR = miniature bearing

📋 Nominal Variants by Seal Type

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

Seal TypeModel CodeTypical Use
Double metal shieldsMR126 ZZGeneral dust protectionQuote →
Double contact rubber sealsMR126 2RS (inquiry only)Dust and moisture protection at moderate speedQuote →
Double non-contact rubber sealsMR126 2RZ (inquiry only)Lower-friction sealing at higher speedQuote →
C3 radial clearanceMR126 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
43,000 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 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 2rsSame boundary dimensions — verify fit/loadMF126SealedQuote →
MF126 ZZSame boundary dimensions — verify fit/loadMF126Metal ShieldsQuote →
MF126ZZSame boundary dimensions — verify fit/loadMR Miniature SeriesShieldedQuote →
MR126 2rsConfiguration variantMRSealedQuote →
MR126 ZZConfiguration variantMRMetal ShieldsQuote →
MR126ZZConfiguration variantMR Miniature SeriesShieldedQuote →
NMR126Different outer-ring featureDeep Groove Bearings with Snap-Ring GrooveOpenQuote →
NMR126 ZZDifferent outer-ring featureDeep Groove Bearings with Snap-Ring GrooveMetal ShieldsQuote →
SMF126Different outer-ring featureExtended Inner-Ring Flanged BearingsSealedQuote →
SMF126 2rsSame boundary dimensions — verify fit/loadSMF126SealedQuote →
SMF126zzSame boundary dimensions — verify fit/loadSMF126ShieldedQuote →

🔄 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 MR126?
The MR126 bearing has bore (d) = 6 mm, outer diameter (D) = 12 mm, and width (B) = 4 mm.
What is the load rating of MR126?
Dynamic load rating (Cr) = 0.61 kN (609.406 N), static load rating (C0r) = 0.24 kN.
What bearing series does MR126 belong to?
The MR126 belongs to the MR Miniature Series within the Deep Groove Ball Bearings category.
Can NLHB supply MR126 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 MR126 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 MR126?
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 MR126

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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