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SKF / Super-precision angular contact ball bearings

SKF 7021 ACD/P4ALDGA

Matched set of two super-precision, high-capacity, d design, single row angular contact ball bearings technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
105 mm
Outside diameterD
160 mm
WidthB
52 mm
Dynamic load ratingC
148 kN
Static load ratingC0
186 kN
Mass≈m
3.13 kg

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 specifications10 parameters
Core specifications
ParameterSymbolValue
Variant / constructionSuper-precision angular contact ball bearings
Bore diameterd105 mm
Outside diameterD160 mm
WidthB52 mm
Basic dynamic load ratingC148 kN
Basic static load ratingC0186 kN
Mass≈m3.13 kg
SealingWithout
Bearing materialBearing steel
LubricantNone
Dimensions4 parameters
Dimensions
ParameterSymbolValue
Bore diameter105.0 mm
Outside diameter160.0 mm
Width52.0 mm
Contact angle25.0 °
Product identity5 parameters
Product identity
ParameterSymbolValue
Official product categorySuper-precision angular contact ball bearings
Official taxonomy path/products/super-precision-bearings/angular-contact-ball-bearings
Structure group IDBA1_010
Available from SKFYes
RemanufacturableNo
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight3.13 kg
eClass code23-05-08-04
UNSPSC code31171531
Performance3 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating148.0 kN
Basic static load rating186.0 kN
NoteRefer to catalogue data or contact SKF for the attainable speeds
Properties15 parameters
Properties
ParameterSymbolValue
Contact typeNormal contact (two-point contact)
Number of rows2
Ring typeOne-piece inner and outer rings
DesignHigh-capacity D
Universal matching bearingYes, back-to-back (<>), face-to-face (> >)
Matched arrangementUniversal matching
Number of bearings in matched set2
Matched condition (axial clearance/ preload)Extra light preload
Tolerance classP4A
Material, bearingBearing steel
CoatingWithout
SealingWithout
LubricantNone
Special featureSuitable for direct oil-air lubrication
Indicative carbon footprint for new product11.6 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF 7021 ACD/P4ALDGA
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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