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SKF / Tapered roller bearings

SKF 33021

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

Technical data available
Bore diameterd
105 mm
Outside diameterD
160 mm
Dynamic load ratingC
303 kN
Static load ratingC0
430 kN
Limiting speednG
3800 r/min
Mass≈m
3.04 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 diameterd105 mm
Outside diameterD160 mm
Basic dynamic load ratingC303 kN
Basic static load ratingC0430 kN
Fatigue load limitPu45.5 kN
Reference speednref3200 r/min
Limiting speednG3800 r/min
Mass≈m3.04 kg
SealingWithout
CageSheet metal
LubricantNone
Dimensions6 parameters
Dimensions
ParameterSymbolValue
Bore diameter105.0 mm
Outside diameter160.0 mm
Width, total43.0 mm
Width, inner ring43.0 mm
Width, outer ring34.0 mm
Contact angle10.7 °
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. 117 mm
Diameter of shaft abutmentd bmin. 117.5 mm
Diameter of housing abutmentD amin. 145 mm
Diameter of housing abutmentD amax. 149.5 mm
Diameter of housing abutmentD bmin. 153 mm
Minimum width of space required in housing on large side faceC amin. 7 mm
Minimum width of space required in housing on small side faceC bmin. 9 mm
Radius of shaft filletr amax. 2.5 mm
Radius of housing filletr bmax. 2 mm
Engineering — Calculation data9 parameters
Engineering — Calculation data
ParameterSymbolValue
SKF performance classSKF Explorer
Basic dynamic load ratingC303 kN
Basic static load ratingC 0430 kN
Fatigue load limitP u45.5 kN
Reference speed3200 r/min
Limiting speed3800 r/min
Limiting valuee0.28
Calculation factorY2.1
Calculation factorY 01.1
Engineering — Dimensions9 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd105 mm
Outside diameterD160 mm
Bearing width, totalT43 mm
Shoulder diameter of inner ringd 1≈ 131.5 mm
Width of inner ringB43 mm
Width of outer ringC34 mm
Chamfer dimension of inner ringr 1,2min. 2.5 mm
Chamfer dimension of outer ringr 3,4min. 2 mm
Distance side face to pressure pointa30.783 mm
Engineering — Engineering specifications1 parameter
Engineering — Engineering specifications
ParameterSymbolValue
Dimension series2DE
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight3.04 kg
eClass code23-05-09-10
UNSPSC code31171516
Performance5 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating303.0 kN
Basic static load rating430.0 kN
Reference speed3200.0 r/min
Limiting speed3800.0 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 systemMetric
Indicative carbon footprint for new product11.2 kg CO 2 e

Technical documents & data sheet

This product page is a BearingScope catalogue reference, not a manufacturer-certified drawing. Preserve the full brand and designation when comparing files.

Record identity
SKF 33021
Document matching
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