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SKF / Super-precision angular contact ball bearings

SKF S71918 ACE/HCP4ADGA

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

Technical data available
Bore diameterd
90 mm
Outside diameterD
125 mm
WidthB
36 mm
Dynamic load ratingC
46.8 kN
Static load ratingC0
45.5 kN
Mass≈m
0.94 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 diameterd90 mm
Outside diameterD125 mm
WidthB36 mm
Basic dynamic load ratingC46.8 kN
Basic static load ratingC045.5 kN
Mass≈m0.94 kg
SealingSeal on both sides
Bearing materialHybrid (ceramic balls)
LubricantGrease
Dimensions4 parameters
Dimensions
ParameterSymbolValue
Bore diameter90.0 mm
Outside diameter125.0 mm
Width36.0 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 weight0.94 kg
eClass code23-05-08-03
UNSPSC code31171531
Performance3 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating46.8 kN
Basic static load rating45.5 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-speed E
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, bearingHybrid (ceramic balls)
CoatingWithout
SealingSeal on both sides
Sealing typeNon-contact
LubricantGrease
Indicative carbon footprint for new product3.5 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF S71918 ACE/HCP4ADGA
Document matching
Exact designation, assembly scope, revision and units must agree.

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