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SKF / Radial spherical plain bearings

SKF GEM 30 ESX-2LS

Skf explorer radial spherical plain bearing, virtually maintenance-free, sealed, metric sizes technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
30 mm
Outside diameterD
47 mm
WidthB
30 mm
Dynamic load ratingC
93 kN
Static load ratingC0
310 kN
Mass≈m
0.15 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 specifications9 parameters
Core specifications
ParameterSymbolValue
Variant / constructionRadial spherical plain bearings
Bore diameterd30 mm
Outside diameterD47 mm
WidthB30 mm
Basic dynamic load ratingC93 kN
Basic static load ratingC0310 kN
Mass≈m0.15 kg
Internal clearanceCN
SealingSeal on both sides
Dimensions4 parameters
Dimensions
ParameterSymbolValue
Bore diameter30.0 mm
Outside diameter47.0 mm
Width, inner ring30.0 mm
Width, outer ring18.0 mm
Product identity5 parameters
Product identity
ParameterSymbolValue
Official product categoryRadial spherical plain bearings
Official taxonomy path/products/plain-bearings/spherical-plain-bearings-rod-ends/radial
Structure group IDBLR_001_101
Available from SKFYes
RemanufacturableNo
Engineering — Abutment dimensions6 parameters
Engineering — Abutment dimensions
ParameterSymbolValue
Abutment diameter shaftd amin. 33.5 mm
Abutment diameter shaftd amax. 34 mm
Abutment diameter housingD amin. 41.3 mm
Abutment diameter housingD amax. 44 mm
Fillet radius shaftr amax. 0.3 mm
Fillet radius housingr bmax. 0.6 mm
Engineering — Calculation data5 parameters
Engineering — Calculation data
ParameterSymbolValue
Basic dynamic load ratingC93 kN
Basic static load ratingC 0310 kN
Specific dynamic load factorK150 N/mm²
Specific static load factorK 0500 N/mm²
Material constantK M330
Engineering — Dimensions12 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd30 mm
Outside diameterD47 mm
WidthB30 mm
Width outer ringC18 mm
Angle of tiltα4 °
Raceway diameter inner ringd k40.7 mm
Shoulder diameter cylindrical extension inner ringd 1≈ 34 mm
Width annular lubrication groove at outer ringb3.1 mm
Width annular lubrication groove at inner ringb 13.2 mm
Diameter lubrication hole (outer ring)M2 mm
Chamfer dimension borer 1min. 0.3 mm
Chamfer dimension outer ringr 2min. 0.6 mm
Engineering — Engineering specifications6 parameters
Engineering — Engineering specifications
ParameterSymbolValue
MaintenanceVirtually maintenance-free
Sliding contact surface combinationSteel/steel, SKF Explorer
Material, inner ringBearing steel
Material, outer ringBearing steel
SealingSeal on both sides
Sealing typeTriple-lip
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight0.15 kg
eClass code23-05-01-06
UNSPSC code31171515
Performance3 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating93.0 kN
Basic static load rating310.0 kN
SKF performance classSKF Explorer
Properties8 parameters
Properties
ParameterSymbolValue
Sliding contact surface combinationSteel/steel, SKF Explorer
Material, inner ringBearing steel
Material, outer ringBearing steel
MaintenanceVirtually maintenance-free
Radial internal clearanceCN
SealingSeal on both sides
Sealing typeTriple-lip
Relubrication featureWith

Technical documents & data sheet

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Record identity
SKF GEM 30 ESX-2LS
Document matching
Exact designation, assembly scope, revision and units must agree.

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