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SKF / Angular contact ball bearings

SKF 305263 D

Double row angular contact ball bearing with two-piece inner ring and relubrication feature technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
200 mm
Outside diameterD
289.5 mm
WidthB
76 mm
Dynamic load ratingC
302 kN
Static load ratingC0
475 kN
Limiting speednG
2200 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 / constructionAngular contact ball bearings
Bore diameterd200 mm
Outside diameterD289.5 mm
WidthB76 mm
Basic dynamic load ratingC302 kN
Basic static load ratingC0475 kN
Fatigue load limitPu12.9 kN
Reference speednref1800 r/min
Limiting speednG2200 r/min
Mass≈m16.4 kg
SealingWithout
CageMachined brass
Bearing materialBearing steel
LubricantNone
Dimensions4 parameters
Dimensions
ParameterSymbolValue
Bore diameter200.0 mm
Outside diameter289.5 mm
Width76.0 mm
Contact angle32.0 °
Product identity5 parameters
Product identity
ParameterSymbolValue
Official product categoryAngular contact ball bearings
Official taxonomy path/products/rolling-bearings/ball-bearings/angular-contact-ball-bearings/double-row-angular-contact-ball-bearings
Structure group IDBA2_001
Available from SKFYes
RemanufacturableNo
Engineering — Abutment dimensions3 parameters
Engineering — Abutment dimensions
ParameterSymbolValue
Abutment diameter shaftd amin. 205 mm
Abutment diameter housingD amax. 264 mm
Fillet radiusr amax. 2.1 mm
Engineering — Calculation data11 parameters
Engineering — Calculation data
ParameterSymbolValue
Basic dynamic load ratingC302 kN
Basic static load ratingC 0475 kN
Fatigue load limitP u12.9 kN
Reference speed1800 r/min
Limiting speed2200 r/min
Calculation factork r0.1
Limiting valuee0.86
Calculation factorX0.62
Calculation factorY 00.63
Calculation factorY 10.73
Calculation factorY 21.2
Engineering — Dimensions9 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd200 mm
Outside diameterD289.5 mm
WidthB76 mm
Shoulder diameter inner ring for two-piece inner ringd 1≈ 231.1 mm
Shoulder diameter outer ringD 1≈ 266 mm
Width annular lubrication groove at outer ringb16.7 mm
Diameter lubrication hole (outer ring)K7.5 mm
Chamfer dimension inner ring for two-piece inner ringr 1,2min. 2.1 mm
Distance pressure point(s)a191 mm
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight16.4 kg
eClass code23-05-08-03
UNSPSC code31171531
Performance4 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating302.0 kN
Basic static load rating475.0 kN
Reference speed1800.0 r/min
Limiting speed2200.0 r/min
Properties15 parameters
Properties
ParameterSymbolValue
Contact typeNormal contact (two-point contact)
Number of rows2
Locating feature, bearing outer ringWithout
Ring typeTwo-piece inner ring and one-piece outer ring
CageMachined brass
Arrangement of contact angle (double-row bearing)Back-to-back (O)
Matched arrangementNo
Universal matching bearingNo
Axial internal clearanceNSTD
Material, bearingBearing steel
CoatingWithout
SealingWithout
LubricantNone
Relubrication featureWith
Indicative carbon footprint for new product60.7 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF 305263 D
Document matching
Exact designation, assembly scope, revision and units must agree.

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