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SKF / Deep groove ball bearings

SKF 305 NR

Deep groove ball bearing with filling slots and snap ring technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
25 mm
Outside diameterD
62 mm
WidthB
17 mm
Dynamic load ratingC
22.9 kN
Static load ratingC0
15.6 kN
Limiting speednG
13000 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 specifications15 parameters
Core specifications
ParameterSymbolValue
Variant / constructionDeep groove ball bearings
Bore diameterd25 mm
Outside diameterD62 mm
WidthB17 mm
Basic dynamic load ratingC22.9 kN
Basic static load ratingC015.6 kN
Fatigue load limitPu0.67 kN
Reference speednref20000 r/min
Limiting speednG13000 r/min
Mass≈m0.235 kg
Internal clearanceCN
SealingWithout
CageSheet metal
Bearing materialBearing steel
LubricantNone
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter25.0 mm
Outside diameter62.0 mm
Width17.0 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 dimensions6 parameters
Engineering — Abutment dimensions
ParameterSymbolValue
Diameter of shaft abutmentd amin. 32 mm
Diameter of housing abutmentD amax. 55 mm
Diameter of snap ring recess in the housingD bmin. 69 mm
Width of snap ring recess in the housingb amin. 2.2 mm
Distance from outer ring side face to snap ring back faceC amax. 4.98 mm
Radius of shaft or housing filletr amax. 1 mm
Engineering — Calculation data6 parameters
Engineering — Calculation data
ParameterSymbolValue
Basic dynamic load ratingC22.9 kN
Basic static load ratingC 015.6 kN
Fatigue load limitP u0.67 kN
Reference speed20000 r/min
Limiting speed13000 r/min
Minimum load factork r0.05
Engineering — Dimensions12 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd25 mm
Outside diameterD62 mm
WidthB17 mm
Shoulder diameterd 1≈ 36.6 mm
Recess diameterD 2≈ 52.7 mm
Diameter of snap ring grooveD 359.61 mm
Outside diameter of snap ringD 467.7 mm
Width of snap ring grooveb1.9 mm
Distance from outer ring side face to snap ring grooveC3.28 mm
Width of snap ringf1.7 mm
Bottom radius of snap ring groover 0max. 0.6 mm
Chamfer dimensionr 1,2min. 1.1 mm
Engineering — Included products1 parameter
Engineering — Included products
ParameterSymbolValue
Snap ringSP 62
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight0.235 kg
eClass code23-05-08-01
UNSPSC code31171504
Performance4 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating22.9 kN
Basic static load rating15.6 kN
Reference speed20000.0 r/min
Limiting speed13000.0 r/min
Properties13 parameters
Properties
ParameterSymbolValue
Filling slotsWith
Number of rows1
Locating feature, bearing outer ringSnap ring (fitted)
Bore typeCylindrical
CageSheet metal
Matched arrangementNo
Radial internal clearanceCN
Material, bearingBearing steel
CoatingWithout
SealingWithout
LubricantNone
Relubrication featureWithout
Indicative carbon footprint for new product0.87 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF 305 NR
Document matching
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