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FRW3Deep Groove Ball BearingsShielded

SFRW3zz

d 4.762 × D 12.7 × B 4.978 mm

The SFRW3zz is a deep groove ball bearing with bore 4.762mm, outer diameter 12.7mm, and width 4.978mm rated for dynamic load 1.0 kN.

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NOMINAL DIMENSION DRAWINGD = 12.7 mmd = 4.762 mmB = 4.978 mmNLHB BEARINGSSFRW3zz4.762 × 12.7 × 4.978 mmNOMINAL DIMENSIONS • TOLERANCE AND SUPPLY CONFIRMED PER INQUIRY
SFRW3zz · 4.762x12.7x4.978 mm

📋 Technical Specifications

Bore (d)
4.762mm
Outer Dia. (D)
12.7mm
Width (B)
4.978mm
Dynamic Load (Cr)
1.00 kN(996 N)
Static Load (C0r)
0.35 kN(351 N)
Reference Speed
99000rpm
Bearing typeDeep Groove Ball Bearings
SeriesFRW3
Seal typeShielded
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)4.762 (0.1875")
Outer diameter (D)12.7 (0.5")
Width (B)4.978 (0.196")

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

📑 Drawings & 3D Model

SFRW3zz bearing dimension drawing, 4.762 x 12.7 x 4.978 mm
SFRW3zz dimension drawing: bore d 4.762 mm × outer diameter D 12.7 mm × width B 4.978 mm. Tolerance class ABEC-1 (P0). Internal design is shown schematically. Flange Ø Df 14.351 mm, flange width Bf 1.067 mm. Inner-ring width B1 5.773 mm, inner-ring OD E 5.613 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
99,000 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 4.762x12.7x4.978 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
FR3Same boundary dimensions — verify fit/loadMR Miniature SeriesShieldedQuote →
FRW3zzSame boundary dimensions — verify fit/loadFRW3ShieldedQuote →
SFR3 2rsSame boundary dimensions — verify fit/loadFR3SealedQuote →
SFR3zzSame boundary dimensions — verify fit/loadFR3ShieldedQuote →

🔄 Related Models

Same bearing family or similar dimensions.

Similar size — reference only, verify all interfaces
FRW3
4.762x12.7x3.967 mm
Flanged Thin-Section Bearings
B -1.0mm
FRW3 W19
4.762x12.7x5.773 mm
Flanged Thin-Section Bearings
B +0.8mm
SFR3
4.762x12.7x3.962 mm
FR3
B -1.0mm
SFRW3
4.762x12.7x3.967 mm
FRW3
B -1.0mm
SFRW3 W19
4.762x12.7x5.773 mm
FRW3W19
B +0.8mm

⚙ 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
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Years
RFQ
Specification Confirmed

❓ Frequently Asked Questions

What are the dimensions of SFRW3zz?
The SFRW3zz bearing has bore (d) = 4.762 mm, outer diameter (D) = 12.7 mm, and width (B) = 4.978 mm.
Is there a SFRW3zz drawing or CAD file?
Yes. The SFRW3zz 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 SFRW3zz?
Dynamic load rating (Cr) = 1.00 kN (996 N), static load rating (C0r) = 0.35 kN.
What tolerance class is the SFRW3zz?
The standard tolerance class of the SFRW3zz is ABEC-1 (P0) per GB/T 307.1, unless otherwise agreed.
What bearing series does SFRW3zz belong to?
The SFRW3zz belongs to the FRW3 within the Deep Groove Ball Bearings category.
Can NLHB supply SFRW3zz 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 SFRW3zz 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 SFRW3zz?
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 SFRW3zz

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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