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Inch RW SeriesDeep Groove Ball Bearings

RW1-4

d 1.985 × D 6.35 × B 2.38 mm

The RW1-4 is a deep groove ball bearing with bore 1.985mm, outer diameter 6.35mm, and width 2.38mm rated for dynamic load 0.2 kN.

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NOMINAL DIMENSION DRAWINGD = 6.35 mmd = 1.985 mmB = 2.38 mmNLHB BEARINGSRW1-41.985 × 6.35 × 2.38 mmNOMINAL DIMENSIONS • TOLERANCE AND SUPPLY CONFIRMED PER INQUIRY
RW1-4 · 1.985x6.35x2.38 mm

📋 Technical Specifications

Bore (d)
1.985mm
Outer Dia. (D)
6.35mm
Width (B)
2.38mm
Dynamic Load (Cr)
0.24 kN(240 N)
Static Load (C0r)
0.08 kN(76 N)
Reference Speed
67000rpm
Bearing typeDeep Groove Ball Bearings
SeriesInch RW Series
Seal typeOpen
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)1.985
Outer diameter (D)6.35
Width (B)2.38

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

📑 Drawings & 3D Model

RW1-4 bearing dimension drawing, 1.985 x 6.35 x 2.38 mm
RW1-4 dimension drawing: bore d 1.985 mm × outer diameter D 6.35 mm × width B 2.38 mm. Tolerance class ABEC-1 (P0). Internal design is shown schematically. Inner-ring width B1 3.175 mm, inner-ring OD E 3.099 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
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 1.985x6.35x2.38 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.

No other catalog models share the same boundary dimensions.

🔄 Related Models

Same bearing family or similar dimensions.

Same model family — dimensions may differ
RW1-4zz
1.985x6.35x3.571 mm
Inch RW Series
B +1.2mm
RW1
1.411x4.762x1.984 mm
Inch RW Series
B -0.4mm
RW1-5
2.381x7.938x2.779 mm
Inch RW Series
B +0.4mm
RW1-5zz
2.381x7.938x3.571 mm
Inch RW Series
B +1.2mm

⚙ 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.

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4,300+
Models
15+
Years
RFQ
Specification Confirmed

❓ Frequently Asked Questions

What are the dimensions of RW1-4?
The RW1-4 bearing has bore (d) = 1.985 mm, outer diameter (D) = 6.35 mm, and width (B) = 2.38 mm.
Is there a RW1-4 drawing or CAD file?
Yes. The RW1-4 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 RW1-4?
Dynamic load rating (Cr) = 0.24 kN (240 N), static load rating (C0r) = 0.08 kN.
What tolerance class is the RW1-4?
The standard tolerance class of the RW1-4 is ABEC-1 (P0) per GB/T 307.1, unless otherwise agreed.
What bearing series does RW1-4 belong to?
The RW1-4 belongs to the Inch RW Series within the Deep Groove Ball Bearings category.
Can NLHB supply RW1-4 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 RW1-4 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 RW1-4?
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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