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6700 / 6800 / 6900 Thin-Section SeriesDeep Groove Ball Bearings

691

d 1 × D 4 × B 1.6 mm

The 691 is a deep groove ball bearing with bore 1mm, outer diameter 4mm, and width 1.6mm rated for dynamic load 0.2 kN.

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691 — representative product photo
Representative product
691 · 1x4x1.6 mm

📋 Technical Specifications

Bore (d)
1mm
Outer Dia. (D)
4mm
Width (B)
1.6mm
Dynamic Load (Cr)
0.15 kN(153 N)
Static Load (C0r)
0.04 kN(36 N)
Reference Speed
100000rpm
Bearing typeDeep Groove Ball Bearings
Series6700 / 6800 / 6900 Thin-Section Series
Seal typeOpen
MaterialConfirmed per inquiry — grade and certificate availability reviewed before quotation
Bore typeConfirmed per drawing
Dimension unitmillimeter (mm)

📋 Nominal Variants by Seal Type

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

Seal TypeModel CodeTypical Use
Double metal shields691 ZZ (inquiry only)General dust protectionQuote →
Double contact rubber seals691 2RS (inquiry only)Dust and moisture protection at moderate speedQuote →
Double non-contact rubber seals691 2RZ (inquiry only)Lower-friction sealing at higher speedQuote →
C3 radial clearance691 C3 (inquiry only)Motors and applications with higher operating temperatureQuote →

📐 Detailed Dimensions

Basic dimensions (mm)

Bore diameter (d)1
Outer diameter (D)4
Width (B)1.6

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

📑 Drawings & 3D Model

691 bearing dimension drawing, 1 x 4 x 1.6 mm
691 dimension drawing: bore d 1 mm × outer diameter D 4 mm × width B 1.6 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
100,000 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 1x4x1.6 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
F691Different outer-ring featureStandard Flanged BearingsOpenQuote →
SF691Same boundary dimensions — verify fit/loadF691OpenQuote →

⚙ 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 691?
The 691 bearing has bore (d) = 1 mm, outer diameter (D) = 4 mm, and width (B) = 1.6 mm.
Is there a 691 drawing or CAD file?
Yes. The 691 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 691?
Dynamic load rating (Cr) = 0.15 kN (153 N), static load rating (C0r) = 0.04 kN.
What tolerance class is the 691?
The standard tolerance class of the 691 is ABEC-1 (P0) per GB/T 307.1, unless otherwise agreed.
What bearing series does 691 belong to?
The 691 belongs to the 6700 / 6800 / 6900 Thin-Section Series within the Deep Groove Ball Bearings category.
Can NLHB supply 691 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 691 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 691?
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 691

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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