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SKF / Needle roller bearings

SKF RPNA 25/42

Alignment needle roller bearings, without an inner ring technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Outside diameterD
42 mm
WidthB
20 mm
Dynamic load ratingC
19 kN
Static load ratingC0
32.5 kN
Limiting speednG
18000 r/min
Mass≈m
0.109 kg

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 specifications13 parameters
Core specifications
ParameterSymbolValue
Variant / constructionNeedle roller bearings
Outside diameterD42 mm
WidthB20 mm
Basic dynamic load ratingC19 kN
Basic static load ratingC032.5 kN
Fatigue load limitPu4 kN
Reference speednref16000 r/min
Limiting speednG18000 r/min
Mass≈m0.109 kg
SealingWithout
CageSheet steel
Bearing materialBearing steel
LubricantNone
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter of needle roller complement25.0 mm
Outside diameter42.0 mm
Width20.0 mm
Product identity5 parameters
Product identity
ParameterSymbolValue
Official product categoryNeedle roller bearings
Official taxonomy path/products/rolling-bearings/roller-bearings/needle-roller-bearings/alignment-needle-roller-bearings
Structure group IDBN1_004
Available from SKFYes
RemanufacturableNo
Engineering — Abutment dimensions3 parameters
Engineering — Abutment dimensions
ParameterSymbolValue
Smallest permissible abutment diameter housingD amin. 35 mm
Diameter of housing abutmentD amax. 37 mm
Fillet radiusr amax. 0.8 mm
Engineering — Calculation data5 parameters
Engineering — Calculation data
ParameterSymbolValue
Basic dynamic load ratingC19 kN
Basic static load ratingC 032.5 kN
Fatigue load limitP u4 kN
Reference speed16000 r/min
Limiting speed18000 r/min
Engineering — Dimensions5 parameters
Engineering — Dimensions
ParameterSymbolValue
Diameter under rollersF w25 mm
Outside diameterD42 mm
WidthC20 mm
Shoulder diameter sleeveD 136.5 mm
Chamfer dimension sheet steel sleevermin. 0.8 mm
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight0.109 kg
eClass code23-05-09-03
UNSPSC code31171512
Performance4 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating19.0 kN
Basic static load rating32.5 kN
Reference speed16000.0 r/min
Limiting speed18000.0 r/min
Properties13 parameters
Properties
ParameterSymbolValue
Bearing partBearing without inner ring
Number of rows1
Outer ring typeDrawn cup with open ends
Aligning featureWith
CageSheet steel
Number of flanges, outer ring2
Tolerance classNormal
Material, bearingBearing steel
CoatingWithout
SealingWithout
LubricantNone
Relubrication featureWithout
Indicative carbon footprint for new product0.4 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF RPNA 25/42
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