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SKF / Tapered roller bearings

SKF 18690/18620

Single row tapered roller bearing technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
46.038 mm
Outside diameterD
79.375 mm
Dynamic load ratingC
61.1 kN
Static load ratingC0
62 kN
Limiting speednG
8500 r/min
Mass≈m
0.33 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 specifications12 parameters
Core specifications
ParameterSymbolValue
Variant / constructionTapered roller bearings
Bore diameterd46.038 mm
Outside diameterD79.375 mm
Basic dynamic load ratingC61.1 kN
Basic static load ratingC062 kN
Fatigue load limitPu6.8 kN
Reference speednref7000 r/min
Limiting speednG8500 r/min
Mass≈m0.33 kg
SealingWithout
CageSheet metal
LubricantNone
Dimensions6 parameters
Dimensions
ParameterSymbolValue
Bore diameter46.038 mm
Outside diameter79.375 mm
Width, total17.462 mm
Width, inner ring17.462 mm
Width, outer ring13.495 mm
Contact angle14.0 °
Product identity5 parameters
Product identity
ParameterSymbolValue
Official product categoryTapered roller bearings
Official taxonomy path/products/rolling-bearings/roller-bearings/tapered-roller-bearings/single-row-tapered-roller-bearings
Structure group IDBT1_001_101
Available from SKFYes
RemanufacturableNo
Engineering — Abutment dimensions9 parameters
Engineering — Abutment dimensions
ParameterSymbolValue
Diameter of shaft abutmentd amax. 53 mm
Diameter of shaft abutmentd bmin. 57 mm
Diameter of housing abutmentD amin. 69 mm
Diameter of housing abutmentD amax. 71.5 mm
Diameter of housing abutmentD bmin. 73 mm
Minimum width of space required in housing on large side faceC amin. 3 mm
Minimum width of space required in housing on small side faceC bmin. 3.5 mm
Radius of shaft filletr amax. 2.8 mm
Radius of housing filletr bmax. 1.5 mm
Engineering — Calculation data9 parameters
Engineering — Calculation data
ParameterSymbolValue
SKF performance classSKF Explorer
Basic dynamic load ratingC61.1 kN
Basic static load ratingC 062 kN
Fatigue load limitP u6.8 kN
Reference speed7000 r/min
Limiting speed8500 r/min
Limiting valuee0.37
Calculation factorY1.6
Calculation factorY 00.9
Engineering — Dimensions9 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd46.038 mm
Outside diameterD79.375 mm
Bearing width, totalT17.462 mm
Shoulder diameter of inner ringd 1≈ 60.2 mm
Width of inner ringB17.462 mm
Width of outer ringC13.495 mm
Chamfer dimension of inner ringr 1,2min. 2.8 mm
Chamfer dimension of outer ringr 3,4min. 1.5 mm
Distance side face to pressure pointa14.774 mm
Engineering — Engineering specifications1 parameter
Engineering — Engineering specifications
ParameterSymbolValue
Dimension series18600
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight0.33 kg
eClass code23-05-09-10
UNSPSC code31171516
Performance5 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating61.1 kN
Basic static load rating62.0 kN
Reference speed7000.0 r/min
Limiting speed8500.0 r/min
SKF performance classSKF Explorer
Properties13 parameters
Properties
ParameterSymbolValue
Bearing partComplete bearing
Number of rows1
Locating feature, bearing outer ringWithout
Bore typeCylindrical
CageSheet metal
Arrangement of contact angle (double-row bearing)Not applicable
Matched arrangementNo
CoatingWithout
SealingWithout
LubricantNone
Relubrication featureWithout
Unit systemInch
Indicative carbon footprint for new product1.2 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF 18690/18620
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