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SKF / Deep groove ball bearings

SKF 624-2Z

Deep groove ball bearing with seals or shields technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
4 mm
Outside diameterD
13 mm
WidthB
5 mm
Dynamic load ratingC
0.936 kN
Static load ratingC0
0.29 kN
Limiting speednG
53000 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 specifications16 parameters
Core specifications
ParameterSymbolValue
Variant / constructionDeep groove ball bearings
Bore diameterd4 mm
Outside diameterD13 mm
WidthB5 mm
Basic dynamic load ratingC0.936 kN
Basic static load ratingC00.29 kN
Fatigue load limitPu0.012 kN
Reference speednref110000 r/min
Limiting speednG53000 r/min
Mass≈m0.003 kg
Precision classNormal
Internal clearanceCN
SealingShield on both sides
CageSheet metal
Bearing materialBearing steel
LubricantGrease
Precision classification2 parameters
Precision classification
ParameterSymbolValue
Radial ball bearing tolerance equivalentABEC 1Derived from ISO Normal; not a direct ABEC marking
Mapping basisISO 492 / ANSI/ABMA 20The original manufacturer tolerance remains the controlling value.
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter4.0 mm
Outside diameter13.0 mm
Width5.0 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
RemanufacturableNo
Engineering — Abutment dimensions4 parameters
Engineering — Abutment dimensions
ParameterSymbolValue
Diameter of shaft abutmentd amin. 5.8 mm
Diameter of shaft abutmentd amax. 6.6 mm
Diameter of housing abutmentD amax. 11.2 mm
Radius of shaft or housing filletr amax. 0.2 mm
Engineering — Calculation data7 parameters
Engineering — Calculation data
ParameterSymbolValue
Basic dynamic load ratingC0.936 kN
Basic static load ratingC 00.29 kN
Fatigue load limitP u0.012 kN
Reference speed110000 r/min
Limiting speed53000 r/min
Minimum load factork r0.03
Calculation factorf 07.3
Engineering — Dimensions10 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd4 mm
Deviation limits of mid-range bore diametert Δdmp-0.008 to 0 mm
Outside diameterD13 mm
Deviation limits of mid-range outside diametert ΔDmp-0.008 to 0 mm
WidthB5 mm
Deviation limits of ring widtht ΔBs-0.12 to 0 mm
Shoulder diameterd 1≈ 6.95 mm
Recess diameterD 2≈ 11.2 mm
Chamfer dimensionr 1,2min. 0.2 mm
ISO tolerance class for dimensionsNormal
Engineering — Tolerances of run-out3 parameters
Engineering — Tolerances of run-out
ParameterSymbolValue
Range of section height at inner ring of assembled bearingt Kia10 µm
Range of section height at outer ring of assembled bearingt Kea15 µm
ISO tolerance class for geometrical tolerancesNormal
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight0.003 kg
eClass code23-05-08-01
UNSPSC code31171504
Performance4 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating0.936 kN
Basic static load rating0.29 kN
Reference speed110000.0 r/min
Limiting speed53000.0 r/min
Properties14 parameters
Properties
ParameterSymbolValue
Filling slotsWithout
Number of rows1
Locating feature, bearing outer ringWithout
Bore typeCylindrical
CageSheet metal
Matched arrangementNo
Radial internal clearanceCN
Material, bearingBearing steel
CoatingWithout
SealingShield on both sides
Sealing typeNon-contact
LubricantGrease
Relubrication featureWithout
Indicative carbon footprint for new product0.01 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF 624-2Z
Document matching
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