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INA / Drawn cup needle roller bearing closed end

INA BK2520

Drawn cup needle roller bearing closed end technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
25 mm
Outside diameterD
32 mm
WidthB
20 mm
Dynamic load ratingC
19.9 kN
Static load ratingC0
33 kN
Limiting speednG
10200 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 specifications11 parameters
Core specifications
ParameterSymbolValue
Bore diameterd25 mm
Outside diameterD32 mm
WidthB20 mm
Basic dynamic load ratingC19.9 kN
Basic static load ratingC033 kN
Fatigue load limitPu4.3 kN
Reference speednref7400 r/min
Limiting speednG10200 r/min
Mass≈m0.038 kg
Minimum operating temperatureTmin-30 °C
Maximum operating temperatureTmax140 °C
Manufacturer Identity5 parameters
Manufacturer Identity
ParameterSymbolValue
Schaeffler Product Code382300
BrandINA
Base TypeBK2520
Old Designation["BK 2520"]
X Life Markingn.r.
Product Identity2 parameters
Product Identity
ParameterSymbolValue
ConstructionDrawn cup needle roller bearings with closed end BK, to DIN 618/ISO 3245
Short DescriptionDrawn cup needle roller bearing closed end
Technical Data13 parameters
Technical Data
ParameterSymbolValue
Under Roller Diameter (Fw)25 mm
Outside Diamater (D)32 mm
Width, Outer Ring (C)20 mm
Basic Dynamic Load Rating, Radial (Cr)19,900 N
Basic Static Load Rating, Radial (C0R)33,000 N
Operating Temperature Min. (Tmin)-30 °C
Operating Temperature Max. (Tmax)140 °C
Limiting Speed (Limiting Spe)10,200 1/min
Reference Speed (Nϑr)7,400 1/min
Minimum Width To Base Of Drawn Cup With Closed End (Ct Min)17.3 mm
Minimum Chamfer Dimension (Rmin)0.8 mm
Limiting Speed For Grease Lubrication (Ng Grea)6,100 1/min
Fatigue Load Limit, Radial (Cur)4,300 N

Technical documents & data sheet

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Record identity
INA BK2520
Document matching
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