Extra Small / Miniature Deep Groove Ball Bearing Inch SeriesDeep Groove Ball BearingsMetal Shields

R2 ZZ

Name: R2 ZZ Bearing
Brand: NLHB

d 3.175 × D 9.525 × B 3.967 mm

The R2 ZZ is a deep groove ball bearing with bore 3.175mm, outer diameter 9.525mm, and width 3.967mm rated for dynamic load 0.6 kN.

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R2 ZZ · 3.175x9.525x3.967 mm

📋 Technical Specifications

Bore (d)

3.175mm

Outer Dia. (D)

9.525mm

Width (B)

3.967mm

Dynamic Load (Cr)

0.63 kN(630 N)

Static Load (C0r)

0.22 kN(218 N)

Reference Speed

56000rpm

Bearing type	Deep Groove Ball Bearings
Series	Extra Small / Miniature Deep Groove Ball Bearing Inch Series
Seal type	Metal Shields
Material	Confirmed per inquiry — grade and certificate availability reviewed before quotation
Bore type	Confirmed per drawing
Dimension unit	millimeter (mm)

📋 Nominal Variants by Seal Type

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

Seal Type	Model Code	Typical Use
Open	R2	High speed in clean environments	Quote →
Double contact rubber seals	R2 2RS (inquiry only)	Dust and moisture protection at moderate speed	Quote →
Double non-contact rubber seals	R2 2RZ (inquiry only)	Lower-friction sealing at higher speed	Quote →
C3 radial clearance	R2 C3 (inquiry only)	Motors and applications with higher operating temperature	Quote →

📐 Detailed Dimensions

Basic dimensions (mm)

Bore diameter (d)	3.175
Outer diameter (D)	9.525
Width (B)	3.967

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

📑 Drawings & 3D Model

R2 ZZ bearing dimension drawing, 3.175 x 9.525 x 3.967 mm — R2 ZZ dimension drawing: bore d 3.175 mm × outer diameter D 9.525 mm × width B 3.967 mm. Tolerance class ABEC-1 (P0). Internal design is shown schematically.

📑

2D Drawing (PDF)

Download PDF →

📐

2D DXF File

Request DXF →

📅

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

56,000 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 3.175x9.525x3.967 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.

Model	Relationship	Series	Seal	Action
FR2 2rs	Same boundary dimensions — verify fit/load	FR2	Sealed	Quote →
FR2ZZ	Same boundary dimensions — verify fit/load	MR Miniature Series	Shielded	Quote →
R2	Configuration variant	MR Miniature Series	Open	Quote →
R2 2rs	Configuration variant	Inch R Series	Sealed	Quote →
RW2	Same boundary dimensions — verify fit/load	Inch RW Series	Open	Quote →
RW2zz	Same boundary dimensions — verify fit/load	Inch RW Series	Shielded	Quote →

🔄 Related Models

Same bearing family or similar dimensions.

Same model family — dimensions may differSimilar 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 →

4,300+

Models

15+

Years

RFQ

Specification Confirmed

❓ Frequently Asked Questions

What are the dimensions of R2 ZZ?

The R2 ZZ bearing has bore (d) = 3.175 mm, outer diameter (D) = 9.525 mm, and width (B) = 3.967 mm.

Is there a R2 ZZ drawing or CAD file?

Yes. The R2 ZZ 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 R2 ZZ?

Dynamic load rating (Cr) = 0.63 kN (630 N), static load rating (C0r) = 0.22 kN.

What tolerance class is the R2 ZZ?

The standard tolerance class of the R2 ZZ is ABEC-1 (P0) per GB/T 307.1, unless otherwise agreed.

What bearing series does R2 ZZ belong to?

The R2 ZZ belongs to the Extra Small / Miniature Deep Groove Ball Bearing Inch Series within the Deep Groove Ball Bearings category.

Can NLHB supply R2 ZZ 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 R2 ZZ 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 R2 ZZ?

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 R2 ZZ

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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