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SKF / Deep groove ball bearings

SKF 61820

Deep groove ball bearings technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
100 mm
Outside diameterD
125 mm
WidthB
13 mm
Dynamic load ratingC
17.8 kN
Static load ratingC0
18.3 kN
Limiting speednG
6300 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 diameterd100 mm
Outside diameterD125 mm
WidthB13 mm
Basic dynamic load ratingC17.8 kN
Basic static load ratingC018.3 kN
Fatigue load limitPu0.95 kN
Reference speednref10000 r/min
Limiting speednG6300 r/min
Mass≈m0.298 kg
Precision classNormal
Internal clearanceCN
SealingWithout
CageSheet metal
Bearing materialBearing steel
LubricantNone
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 diameter100.0 mm
Outside diameter125.0 mm
Width13.0 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 dimensions3 parameters
Engineering — Abutment dimensions
ParameterSymbolValue
Diameter of shaft abutmentd amin. 105 mm
Diameter of housing abutmentD amax. 120 mm
Radius of shaft or housing filletr amax. 1 mm
Engineering — Calculation data7 parameters
Engineering — Calculation data
ParameterSymbolValue
Basic dynamic load ratingC17.8 kN
Basic static load ratingC 018.3 kN
Fatigue load limitP u0.95 kN
Reference speed10000 r/min
Limiting speed6300 r/min
Minimum load factork r0.02
Calculation factorf 013.3
Engineering — Dimensions10 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd100 mm
Deviation limits of mid-range bore diametert Δdmp-0.02 to 0 mm
Outside diameterD125 mm
Deviation limits of mid-range outside diametert ΔDmp-0.018 to 0 mm
WidthB13 mm
Deviation limits of ring widtht ΔBs-0.2 to 0 mm
Shoulder diameterd 1≈ 108.3 mm
Recess diameterD 2≈ 119.3 mm
Chamfer dimensionr 1,2min. 1 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 Kia25 µm
Range of section height at outer ring of assembled bearingt Kea40 µm
ISO tolerance class for geometrical tolerancesNormal
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight0.298 kg
eClass code23-05-08-01
UNSPSC code31171504
Performance4 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating17.8 kN
Basic static load rating18.3 kN
Reference speed10000.0 r/min
Limiting speed6300.0 r/min
Properties13 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
SealingWithout
LubricantNone
Relubrication featureWithout
Indicative carbon footprint for new product1.1 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 61820
Document matching
Exact designation, assembly scope, revision and units must agree.

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