Inch RW SeriesDeep Groove Ball BearingsShielded

RW144zz

d 3.175 × D 6.35 × B 2.779 mm

The RW144zz is a deep groove ball bearing with bore 3.175mm, outer diameter 6.35mm, and width 2.779mm rated for dynamic load 0.2 kN.

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RW144zz · 3.175x6.35x2.779 mm

📋 Technical Specifications

Bore (d)

3.175mm

Outer Dia. (D)

6.35mm

Width (B)

2.779mm

Dynamic Load (Cr)

0.24 kN(240.462 N)

Static Load (C0r)

0.08 kN(75.704 N)

Reference Speed

67000rpm

Bearing type	Deep Groove Ball Bearings
Series	Inch RW Series
Seal type	Shielded
Material	Confirmed per inquiry — grade and certificate availability reviewed before quotation
Bore type	Confirmed per drawing
Dimension unit	millimeter (mm)

📐 Detailed Dimensions

Basic dimensions (mm)

Bore diameter (d)	3.175
Outer diameter (D)	6.35
Width (B)	2.779

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

📑 Drawings & 3D Model

📑

2D Drawing

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📅

3D STEP Model

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🔎

CAD File

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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

67,000 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 3.175x6.35x2.779 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
FR144ZZ	Same boundary dimensions — verify fit/load	MR Miniature Series	Shielded	Quote →
R144 2rs	Same boundary dimensions — verify fit/load	Inch R Series	Sealed	Quote →
R144 ZZ	Same boundary dimensions — verify fit/load	Extra Small / Miniature Deep Groove Ball Bearing Inch Series	Metal Shields	Quote →
R144ZZ	Same boundary dimensions — verify fit/load	MR Miniature Series	Metal Shields	Quote →

🔄 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.

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Catalog Models

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RFQ

Specification Confirmed

❓ Frequently Asked Questions

What are the dimensions of RW144zz?

The RW144zz bearing has bore (d) = 3.175 mm, outer diameter (D) = 6.35 mm, and width (B) = 2.779 mm.

What is the load rating of RW144zz?

Dynamic load rating (Cr) = 0.24 kN (240.462 N), static load rating (C0r) = 0.08 kN.

What bearing series does RW144zz belong to?

The RW144zz belongs to the Inch RW Series within the Deep Groove Ball Bearings category.

Can NLHB supply RW144zz 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 RW144zz 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 RW144zz?

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 RW144zz

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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