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MR Miniature SeriesDeep Groove Ball Bearings

R1-4ZZ

d 1.984 × D 6.35 × B 3.571 mm

The R1-4ZZ is a deep groove ball bearing with bore 1.984mm, outer diameter 6.35mm, and width 3.571mm rated for dynamic load 0.3 kN.

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R1-4ZZ — representative product photo
Representative product
R1-4ZZ · 1.984x6.35x3.571 mm

📋 Technical Specifications

Bore (d)
1.984mm
Outer Dia. (D)
6.35mm
Width (B)
3.571mm
Dynamic Load (Cr)
0.34 kN(340 N)
Static Load (C0r)
0.11 kN(108 N)
Reference Speed
67000rpm
Bearing typeDeep Groove Ball Bearings
SeriesMR Miniature Series
Seal typeConfirm per inquiry
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)1.984
Outer diameter (D)6.35
Width (B)3.571

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

📑 Drawings & 3D Model

R1-4ZZ bearing dimension drawing, 1.984 x 6.35 x 3.571 mm
R1-4ZZ dimension drawing: bore d 1.984 mm × outer diameter D 6.35 mm × width B 3.571 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
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 1.984x6.35x3.571 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
FR1-4 ZZSame boundary dimensions — verify fit/loadFR1-4Metal ShieldsQuote →

🔄 Related Models

Same bearing family or similar dimensions.

Same model family — dimensions may differ
R1-4
1.984x6.35x2.38 mm
MR Miniature 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 R1-4ZZ?
The R1-4ZZ bearing has bore (d) = 1.984 mm, outer diameter (D) = 6.35 mm, and width (B) = 3.571 mm.
Is there a R1-4ZZ drawing or CAD file?
Yes. The R1-4ZZ 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 R1-4ZZ?
Dynamic load rating (Cr) = 0.34 kN (340 N), static load rating (C0r) = 0.11 kN.
What tolerance class is the R1-4ZZ?
The standard tolerance class of the R1-4ZZ is ABEC-1 (P0) per GB/T 307.1, unless otherwise agreed.
What bearing series does R1-4ZZ belong to?
The R1-4ZZ belongs to the MR Miniature Series within the Deep Groove Ball Bearings category.
Can NLHB supply R1-4ZZ 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 R1-4ZZ 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 R1-4ZZ?
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 R1-4ZZ

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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