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SKF / Deep groove ball bearings

SKF 618/670 MA/C3

Deep groove ball bearings technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
670 mm
Outside diameterD
820 mm
WidthB
69 mm
Dynamic load ratingC
442 kN
Static load ratingC0
1000 kN
Limiting speednG
1100 r/min

Use this page as a technical reference. Verify the current manufacturer specification and the complete application requirements before selection.

Technical data

Product specifications

Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.

Core specifications14 parameters
Core specifications
ParameterSymbolValue
Variant / constructionDeep groove ball bearings
Bore diameterd670 mm
Outside diameterD820 mm
WidthB69 mm
Basic dynamic load ratingC442 kN
Basic static load ratingC01000 kN
Reference speednref1300 r/min
Limiting speednG1100 r/min
Mass≈m77.5 kg
Internal clearanceC3
SealingWithout
CageMachined brass
Bearing materialBearing steel
LubricantNone
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter670.0 mm
Outside diameter820.0 mm
Width69.0 mm
Product identity5 parameters
Product identity
ParameterSymbolValue
Official product categoryDeep groove ball bearings
Official taxonomy path/products/rolling-bearings/ball-bearings/deep-groove-ball-bearings
Structure group IDBB1_001_101
Available from SKFYes
RemanufacturableYes
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight77.5 kg
eClass code23-05-08-01
UNSPSC code31171504
Performance4 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating442.0 kN
Basic static load rating1000.0 kN
Reference speed1300.0 r/min
Limiting speed1100.0 r/min
Properties15 parameters
Properties
ParameterSymbolValue
Filling slotsWithout
Number of rows1
Locating feature, bearing outer ringWithout
Bore typeCylindrical
CageMachined brass
Matched arrangementNo
Radial internal clearanceC3
Material, bearingBearing steel
CoatingWithout
SealingWithout
LubricantNone
Relubrication featureWithout
Candidate for remanufacturingYes
Indicative carbon footprint for new product287.0 kg CO 2 e
Indicative carbon footprint for remanufactured product95.3 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF 618/670 MA/C3
Document matching
Exact designation, assembly scope, revision and units must agree.

No verified redistributable CAD or manufacturer PDF is registered for this exact model. A catalogue image is not a dimensioned drawing. Missing technical files are not generated or replaced with unrelated models.

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