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SKF / Angular contact ball bearings

SKF QJ 314 N2MA

Four-point contact ball bearing with locating slots technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
70 mm
Outside diameterD
150 mm
WidthB
35 mm
Dynamic load ratingC
200 kN
Static load ratingC0
180 kN
Limiting speednG
8000 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 specifications13 parameters
Core specifications
ParameterSymbolValue
Variant / constructionAngular contact ball bearings
Bore diameterd70 mm
Outside diameterD150 mm
WidthB35 mm
Basic dynamic load ratingC200 kN
Basic static load ratingC0180 kN
Fatigue load limitPu7.35 kN
Limiting speednG8000 r/min
Mass≈m3.27 kg
SealingWithout
CageMachined brass
Bearing materialBearing steel
LubricantNone
Dimensions4 parameters
Dimensions
ParameterSymbolValue
Bore diameter70.0 mm
Outside diameter150.0 mm
Width35.0 mm
Contact angle35.0 °
Product identity5 parameters
Product identity
ParameterSymbolValue
Official product categoryAngular contact ball bearings
Official taxonomy path/products/rolling-bearings/ball-bearings/angular-contact-ball-bearings/four-point-contact-ball-bearings
Structure group IDBAQ_001
Available from SKFYes
RemanufacturableNo
Engineering — Abutment dimensions3 parameters
Engineering — Abutment dimensions
ParameterSymbolValue
Abutment diameter shaftd amin. 82 mm
Abutment diameter housingD amax. 138 mm
Fillet radiusr amax. 2 mm
Engineering — Calculation data11 parameters
Engineering — Calculation data
ParameterSymbolValue
SKF performance classSKF Explorer
Basic dynamic load ratingC200 kN
Basic static load ratingC 0180 kN
Fatigue load limitP u7.35 kN
Limiting speed8000 r/min
Calculation factorA0.1
Limiting valuee0.95
Calculation factorX0.6
Calculation factorY 00.58
Calculation factorY 10.66
Calculation factorY 21.1
Engineering — Dimensions10 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd70 mm
Outside diameterD150 mm
WidthB35 mm
Shoulder diameter inner ringd 1≈ 89 mm
Shoulder diameter outer ring/ inner diameter housing washerD 1≈ 123 mm
Distance pressure point(s)a77 mm
Locating slot depth outer ringh10.1 mm
Locating slot width outer ringb8.5 mm
Corner radius locating slotr 02 mm
Chamfer dimension inner ringr 1,2min. 2.1 mm
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight3.27 kg
eClass code23-05-08-05
UNSPSC code31171538
Performance4 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating200.0 kN
Basic static load rating180.0 kN
Limiting speed8000.0 r/min
SKF performance classSKF Explorer
Properties14 parameters
Properties
ParameterSymbolValue
Contact typeFour-point contact
Number of rows1
Locating feature, bearing outer ringLocating slot
Ring typeTwo-piece inner ring and one-piece outer ring
CageMachined brass
Matched arrangementNo
Universal matching bearingNo
Axial internal clearanceCN
Material, bearingBearing steel
CoatingWithout
SealingWithout
LubricantNone
Relubrication featureWithout
Indicative carbon footprint for new product12.1 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF QJ 314 N2MA
Document matching
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