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Inch RW SeriesDeep Groove Ball BearingsShielded

RW166zz

d 4.762 × D 9.525 × B 3.175 mm

The RW166zz is a deep groove ball bearing with bore 4.762mm, outer diameter 9.525mm, and width 3.175mm rated for dynamic load 0.6 kN.

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NOMINAL DIMENSION DRAWINGD = 9.525 mmd = 4.762 mmB = 3.175 mmNLHB BEARINGSRW166zz4.762 × 9.525 × 3.175 mmNOMINAL DIMENSIONS • TOLERANCE AND SUPPLY CONFIRMED PER INQUIRY
RW166zz · 4.762x9.525x3.175 mm

📋 Technical Specifications

Bore (d)
4.762mm
Outer Dia. (D)
9.525mm
Width (B)
3.175mm
Dynamic Load (Cr)
0.61 kN(606 N)
Static Load (C0r)
0.22 kN(218 N)
Reference Speed
50000rpm
Bearing typeDeep Groove Ball Bearings
SeriesInch RW Series
Seal typeShielded
MaterialConfirmed per inquiry — grade and certificate availability reviewed before quotation
Bore typeConfirmed per drawing
Dimension unitmillimeter (mm)

📐 Detailed Dimensions

Basic dimensions (mm)

Bore diameter (d)4.762
Outer diameter (D)9.525
Width (B)3.175

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

📑 Drawings & 3D Model

RW166zz bearing dimension drawing, 4.762 x 9.525 x 3.175 mm
RW166zz dimension drawing: bore d 4.762 mm × outer diameter D 9.525 mm × width B 3.175 mm. Tolerance class ABEC-1 (P0). Internal design is shown schematically. Inner-ring width B1 3.967 mm, inner-ring OD E 5.969 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 4.762x9.525x3.175 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
FR166 2rsSame boundary dimensions — verify fit/loadFR166SealedQuote →
FR166ZZSame boundary dimensions — verify fit/loadMR Miniature SeriesShieldedQuote →
R166Same boundary dimensions — verify fit/loadMR Miniature SeriesOpenQuote →
R166 2rsSame boundary dimensions — verify fit/loadInch R SeriesSealedQuote →
R166 ZZSame boundary dimensions — verify fit/loadExtra Small / Miniature Deep Groove Ball Bearing Inch SeriesMetal ShieldsQuote →
RW166Configuration variantInch RW SeriesOpenQuote →

⚙ 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 RW166zz?
The RW166zz bearing has bore (d) = 4.762 mm, outer diameter (D) = 9.525 mm, and width (B) = 3.175 mm.
Is there a RW166zz drawing or CAD file?
Yes. The RW166zz 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 RW166zz?
Dynamic load rating (Cr) = 0.61 kN (606 N), static load rating (C0r) = 0.22 kN.
What tolerance class is the RW166zz?
The standard tolerance class of the RW166zz is ABEC-1 (P0) per GB/T 307.1, unless otherwise agreed.
What bearing series does RW166zz belong to?
The RW166zz belongs to the Inch RW Series within the Deep Groove Ball Bearings category.
Can NLHB supply RW166zz 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 RW166zz 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 RW166zz?
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.

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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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