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SKF / Deep groove ball bearings

SKF D/W R188 R-2Z

Stainless steel deep groove ball bearing with flanged outer ring and integral sealing technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
6.35 mm
Outside diameterD
12.7 mm
WidthB
4.762 mm
Dynamic load ratingC
0.618 kN
Static load ratingC0
0.224 kN
Limiting speednG
53000 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 diameterd6.35 mm
Outside diameterD12.7 mm
WidthB4.762 mm
Basic dynamic load ratingC0.618 kN
Basic static load ratingC00.224 kN
Fatigue load limitPu0.01 kN
Reference speednref110000 r/min
Limiting speednG53000 r/min
Mass≈m0.003 kg
Internal clearanceCN
SealingShield on both sides
CageStamped stainless steel
Bearing materialStainless steel
LubricantGrease
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter6.35 mm
Outside diameter12.7 mm
Width4.762 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. 7.2 mm
Diameter of shaft abutmentd amax. 7.3 mm
Radius of shaft or housing filletr amax. 0.15 mm
Engineering — Calculation data7 parameters
Engineering — Calculation data
ParameterSymbolValue
Basic dynamic load ratingC0.618 kN
Basic static load ratingC 00.224 kN
Fatigue load limitP u0.01 kN
Reference speed110000 r/min
Limiting speed53000 r/min
Minimum load factork r0.02
Calculation factorf 07
Engineering — Dimensions8 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd6.35 mm
Outside diameterD12.7 mm
WidthB4.762 mm
Recess diameterd 2≈ 7.4 mm
Recess diameterD 2≈ 11.6 mm
Flange diameterD 313.894 mm
Flange widthC1.143 mm
Chamfer dimensionr 1,2min. 0.15 mm
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight0.003 kg
eClass code23-05-08-01
UNSPSC code31171504
Performance4 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating0.618 kN
Basic static load rating0.224 kN
Reference speed110000.0 r/min
Limiting speed53000.0 r/min
Properties14 parameters
Properties
ParameterSymbolValue
Filling slotsWithout
Number of rows1
Locating feature, bearing outer ringFlange
Bore typeCylindrical
CageStamped stainless steel
Matched arrangementNo
Radial internal clearanceCN
Material, bearingStainless steel
CoatingWithout
SealingShield on both sides
Sealing typeNon-contact
LubricantGrease
Relubrication featureWithout
Indicative carbon footprint for new product0.01 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF D/W R188 R-2Z
Document matching
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