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SKF / Combined needle roller / cylindrical roller thrust bearings

SKF NKXR 45

Combined needle roller / cylindrical roller thrust bearing technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
45 mm
Outside diameterD
58 mm
WidthB
32 mm
Limiting speednG
4500 r/min
Mass≈m
0.36 kg
Bore diameter
45.0 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 specifications8 parameters
Core specifications
ParameterSymbolValue
Variant / constructionCombined needle roller / cylindrical roller thrust bearings
Bore diameterd45 mm
Outside diameterD58 mm
WidthB32 mm
Reference speednref2200 r/min
Limiting speednG4500 r/min
Mass≈m0.36 kg
Bearing materialBearing steel
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter45.0 mm
Outside diameter58.0 mm
Width32.0 mm
Product identity5 parameters
Product identity
ParameterSymbolValue
Official product categoryCombined needle roller / cylindrical roller thrust bearings
Official taxonomy path/products/rolling-bearings/roller-bearings/needle-roller-bearings/combined-needle-roller-bearings
Structure group IDBVN_002_003
Available from SKFYes
RemanufacturableNo
Engineering — Abutment dimensions6 parameters
Engineering — Abutment dimensions
ParameterSymbolValue
Diameter of shaft abutmentd amin. 60.6 mm
Radius of filletr amax. 0.6 mm
Radius of filletr bmax. 0.3 mm
Bore diameter of associated inner ringd i40 mm
Diameter of inner ring racewayF45 mm
Width of associated inner ringB i20 mm
Engineering — Associated products1 parameter
Engineering — Associated products
ParameterSymbolValue
Inner ringIR 40x45x20
Engineering — Calculation data9 parameters
Engineering — Calculation data
ParameterSymbolValue
Basic dynamic load rating, radialC27.5 kN
Basic static load rating, radialC 057 kN
Basic dynamic load rating, axialC45 kN
Basic static load rating, axialC 0153 kN
Fatigue load limit, radialP u7.1 kN
Fatigue load limit, axialP u15.3 kN
Minimum axial load factorA0.002
Reference speed2200 r/min
Limiting speed4500 r/min
Engineering — Dimensions8 parameters
Engineering — Dimensions
ParameterSymbolValue
Diameter under rollersF w45 mm
Outside diameterD58 mm
WidthC32 mm
Width of thrust partC 114 mm
Distance side face to lubrication holeC 29 mm
Bore diameter of thrust partd45 mm
Diameter of flangeD 165.2 mm
Chamfer dimensionr 1,2min. 0.6 mm
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight0.36 kg
eClass code23-05-09-03
UNSPSC code31171512
Performance2 parameters
Performance
ParameterSymbolValue
Reference speed2200.0 r/min
Limiting speed4500.0 r/min
Properties11 parameters
Properties
ParameterSymbolValue
Rolling bearing typeNeedle roller / cylindrical roller thrust bearing
Bearing partRadial part without inner ring
Thrust partWith cage
Radial partWith cage
Axial load capabilitySingle-direction
Rolling element (thrust part)Rollers
Tolerance classOther
Material, bearingBearing steel
CoatingWithout
Lubricant (thrust part)None
Indicative carbon footprint for new product1.3 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF NKXR 45
Document matching
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