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SKF / Combined needle roller / angular contact ball bearings

SKF NKIA 5904

Combined needle roller / angular contact ball bearing for axial loads in one direction technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
20 mm
Outside diameterD
37 mm
WidthB
23 mm
Limiting speednG
17000 r/min
Mass≈m
0.103 kg
Bore diameter
20.0 mm

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 specifications9 parameters
Core specifications
ParameterSymbolValue
Variant / constructionCombined needle roller / angular contact ball bearings
Bore diameterd20 mm
Outside diameterD37 mm
WidthB23 mm
Reference speednref15000 r/min
Limiting speednG17000 r/min
Mass≈m0.103 kg
Internal clearanceCN
Bearing materialBearing steel
Dimensions4 parameters
Dimensions
ParameterSymbolValue
Bore diameter20.0 mm
Outside diameter37.0 mm
Width23.0 mm
Width, outer ring23.0 mm
Product identity5 parameters
Product identity
ParameterSymbolValue
Official product categoryCombined needle roller / angular contact ball bearings
Official taxonomy path/products/rolling-bearings/roller-bearings/needle-roller-bearings/combined-needle-roller-bearings
Structure group IDBVN_001
Available from SKFYes
RemanufacturableNo
Engineering — Abutment dimensions3 parameters
Engineering — Abutment dimensions
ParameterSymbolValue
Diameter of shaft abutmentd amin. 22 mm
Diameter of housing abutmentD amax. 35 mm
Radius of filletr amax. 0.3 mm
Engineering — Calculation data8 parameters
Engineering — Calculation data
ParameterSymbolValue
Basic dynamic load rating, radialC21.6 kN
Basic static load rating, radialC 028 kN
Basic dynamic load rating, axialC3.79 kN
Basic static load rating, axialC 04.21 kN
Fatigue load limit, radialP u3.35 kN
Fatigue load limit, axialP u0.176 kN
Reference speed15000 r/min
Limiting speed17000 r/min
Engineering — Dimensions5 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd20 mm
Outside diameterD37 mm
WidthB23 mm
Diameter of inner ring racewayF25 mm
Chamfer dimensionr 1 ,2min. 0.3 mm
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight0.103 kg
eClass code23-05-09-03
UNSPSC code31171512
Performance2 parameters
Performance
ParameterSymbolValue
Reference speed15000.0 r/min
Limiting speed17000.0 r/min
Properties12 parameters
Properties
ParameterSymbolValue
Rolling bearing typeNeedle roller / angular contact ball bearing
Bearing partComplete bearing
Thrust partWith cage
Radial partWith cage
Rolling element (thrust part)Balls
Axial load capabilitySingle-direction
Radial internal clearanceCN
Tolerance classNormal
Material, bearingBearing steel
CoatingWithout
Lubricant (thrust part)None
Indicative carbon footprint for new product0.38 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF NKIA 5904
Document matching
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