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FR1-4Deep Groove Ball Bearings

SFR1-4

d 1.984 × D 6.35 × B 2.38 mm

The SFR1-4 is a deep groove ball bearing with bore 1.984mm, 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 = 1.984 mmB = 2.38 mmNLHB BEARINGSSFR1-41.984 × 6.35 × 2.38 mmNOMINAL DIMENSIONS • TOLERANCE AND SUPPLY CONFIRMED PER INQUIRY
SFR1-4 · 1.984x6.35x2.38 mm

📋 Technical Specifications

Bore (d)
1.984mm
Outer Dia. (D)
6.35mm
Width (B)
2.38mm
Dynamic Load (Cr)
0.22 kN(218 N)
Static Load (C0r)
0.07 kN(67 N)
Reference Speed
60300rpm
Bearing typeDeep Groove Ball Bearings
SeriesFR1-4
Seal typeOpen
MaterialConfirmed per inquiry — grade and certificate availability reviewed before quotation
Bore typeConfirmed per drawing
Measurement systemInch (imperial). Metric values converted at 25.4 mm/in; inch values in brackets.

📐 Detailed Dimensions

Basic dimensions (mm)

Bore diameter (d)1.984 (0.0781")
Outer diameter (D)6.35 (0.25")
Width (B)2.38 (0.0937")

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

📑 Drawings & 3D Model

SFR1-4 bearing dimension drawing, 1.984 x 6.35 x 2.38 mm
SFR1-4 dimension drawing: bore d 1.984 mm × outer diameter D 6.35 mm × width B 2.38 mm. Tolerance class ABEC-1 (P0). Internal design is shown schematically. Flange Ø Df 7.518 mm, flange width Bf 0.584 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
60,300 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 1.984x6.35x2.38 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
SFR1-4 2rs
1.984x6.35x3.571 mm
FR1-4
B +1.2mm
SFR1
1.397x4.762x1.984 mm
FR1
B -0.4mm
SFR1-4zz
1.985x6.35x3.571 mm
FR1-4
B +1.2mm
SFR1-5
2.383x7.938x2.779 mm
FR1-5
B +0.4mm
SFR1-5 2rs
2.383x7.938x3.571 mm
FR1-5
B +1.2mm
Similar size — reference only, verify all interfaces
FR1-4
1.984x6.35x2.38 mm
Flanged Thin-Section Bearings

⚙ 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 SFR1-4?
The SFR1-4 bearing has bore (d) = 1.984 mm, outer diameter (D) = 6.35 mm, and width (B) = 2.38 mm.
Is there a SFR1-4 drawing or CAD file?
Yes. The SFR1-4 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 SFR1-4?
Dynamic load rating (Cr) = 0.22 kN (218 N), static load rating (C0r) = 0.07 kN.
What tolerance class is the SFR1-4?
The standard tolerance class of the SFR1-4 is ABEC-1 (P0) per GB/T 307.1, unless otherwise agreed.
What bearing series does SFR1-4 belong to?
The SFR1-4 belongs to the FR1-4 within the Deep Groove Ball Bearings category.
Can NLHB supply SFR1-4 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 SFR1-4 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 SFR1-4?
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.

Get a quote for SFR1-4

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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