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MRDeep Groove Ball BearingsShielded

MR52zz

d 2 × D 5 × B 2.5 mm

The MR52zz is a deep groove ball bearing with bore 2mm, outer diameter 5mm, and width 2.5mm rated for dynamic load 0.1 kN.

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NOMINAL DIMENSION DRAWINGD = 5 mmd = 2 mmB = 2.5 mmNLHB BEARINGSMR52zz2 × 5 × 2.5 mmNOMINAL DIMENSIONS • TOLERANCE AND SUPPLY CONFIRMED PER INQUIRY
MR52zz · 2x5x2.5 mm

📋 Technical Specifications

Bore (d)
2mm
Outer Dia. (D)
5mm
Width (B)
2.5mm
Dynamic Load (Cr)
0.14 kN(142 N)
Static Load (C0r)
0.04 kN(40 N)
Reference Speed
85000rpm
Bearing typeDeep Groove Ball Bearings
SeriesMR
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 MR52zz means.

MR
Miniature
MRMR = miniature bearing

📐 Detailed Dimensions

Basic dimensions (mm)

Bore diameter (d)2
Outer diameter (D)5
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

MR52zz bearing dimension drawing, 2 x 5 x 2.5 mm
MR52zz dimension drawing: bore d 2 mm × outer diameter D 5 mm × width B 2.5 mm. Tolerance class ABEC-1 (P0). Internal design is shown schematically.
📑
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
85,000 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 2x5x2.5 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
MF52Different outer-ring featureExtended Inner-Ring Flanged BearingsShieldedQuote →
MF52 2rsSame boundary dimensions — verify fit/loadMF52SealedQuote →
MF52B ZZDifferent outer-ring featureExtra Small / Miniature Deep Groove Ball Bearing With FlangeMetal ShieldsQuote →
MF52zzSame boundary dimensions — verify fit/loadMF52ShieldedQuote →
MR52Configuration variantMR Miniature SeriesSealedQuote →
MR52 2rsConfiguration variantMRSealedQuote →
MR52BZZSame boundary dimensions — verify fit/loadMR Miniature SeriesOpenQuote →
SMF52Different outer-ring featureExtended Inner-Ring Flanged BearingsSealedQuote →
SMF52 2rsSame boundary dimensions — verify fit/loadSMF52SealedQuote →
SMF52zzSame boundary dimensions — verify fit/loadSMF52ShieldedQuote →

🔄 Related Models

Same bearing family or similar dimensions.

Similar size — reference only, verify all interfaces
682
2x5x1.5 mm
6700 / 6800 / 6900 Thin-Section Series
B -1.0mm
682 2rs
2x5x2.3 mm
Metric Miniature Series
B -0.2mm
682 ZZ
2x5x1.5 mm
Extra Small / Miniature Deep Groove Ball Bearing
B -1.0mm
682ZZ
2x5x2.3 mm
6700 / 6800 / 6900 Thin-Section Series
B -0.2mm
F682
2x5x2.3 mm
Standard Flanged Bearings
B -0.2mm
F682 2rs
2x5x2.3 mm
F682
B -0.2mm
F682 ZZ
2x5x2.3 mm
F682
B -0.2mm
F682ZZ
2x5x2.3 mm
Standard Flanged Bearings
B -0.2mm

⚙ 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 MR52zz?
The MR52zz bearing has bore (d) = 2 mm, outer diameter (D) = 5 mm, and width (B) = 2.5 mm.
Is there a MR52zz drawing or CAD file?
Yes. The MR52zz 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 MR52zz?
Dynamic load rating (Cr) = 0.14 kN (142 N), static load rating (C0r) = 0.04 kN.
What tolerance class is the MR52zz?
The standard tolerance class of the MR52zz is ABEC-1 (P0) per GB/T 307.1, unless otherwise agreed.
What bearing series does MR52zz belong to?
The MR52zz belongs to the MR within the Deep Groove Ball Bearings category.
Can NLHB supply MR52zz 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 MR52zz 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 MR52zz?
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 MR52zz

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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