SIFT BEARING STORE CATALOG

7240A5NSKPrecision / Angular Contact

7240A5 is a NSK precision / angular contact bearing, bore 200 mm, O.D. 360 mm, width 58 mm. Dimensions, drawing, interchanges and price.

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Bore d200mm
Outside dia. D360mm
Width B58mm
Dynamic Cr78,300lbs
Static C0r105,000lbs
Limiting speed2,800rpm
Weight26.404kg
Cr / C0r0.75
Mean dia. dm280mm

Original catalogue drawing - NSK catalogue, page 197

7240A5 NSK Precision / Angular Contact bearing catalogue drawing

Scanned from the manufacturer catalogue page listing this part number. All part numbers printed on that table share the same drawing.

Scale cross-section

DdBOutside dia. D360 mmBore d200 mmWidth B58 mm

Blue = inner / outer ring, yellow = rolling element. Drawn to scale from this part's own dimensions for selection reference only - not a manufacturing or assembly drawing.

Dimension table (mm / inch)

SymbolDimensionmminch
dBore diameter2007.874
DOutside diameter36014.1732
BInner-ring / bearing width582.2835

Notes

Weights are given in kg. Load ratings are shown in both the original catalogue units and the converted value (1 N = 0.2248 lbf). Data is provided for selection reference only - confirm against the latest official catalogue before ordering.

Main dimensions

Bore d (mm)200
Bore d (in)7.8740
Outside dia. D (mm)360
Outside dia. D (in)14.1732
Width B (mm)58
Width B (in)2.2835

Load ratings & speeds

Basic dynamic load rating Cr (lbs)78300
Basic static load rating Cor (lbs)105000
Limiting speed - grease (rpm)2,800
Limiting speed - oil (rpm)4,000

Weight

Weight (kg)26.404

Mounting dimensions (fillets / shoulders)

Fillet ra (in)0.118
Fillet rb (in)0.059
Shaft shoulder da (in)8.583
Housing shoulder Da (in)13.465
Housing shoulder Db (in)13.819

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 900 rpm
487,074641,185
658,0492164,000
843,5375129,481
1034,8301,00018,519
1523,2203,37562,500

Basic rating life per ISO 281: L10 = (C/P)3 with C = 348,296 N. Hours = L10 x 106 / (60n). Life-modification factors for lubrication, contamination and temperature (aISO) are not included.

Source & traceability

BrandNSK
Source catalogueNSK inch product catalogue
Catalogue pagep.199 (dimensions) / p.200 (ratings)

Dimensions in inches and millimetres, load ratings in lbs.

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
6240-MFAGBall20036058270 kN27
QJ240-N2-MPAFAGBall20036058510 kN28
N240-E-M1FAGCylindrical Roller20036058750 kN27.2
NJ240-E-M1FAGCylindrical Roller20036058750 kN27.5
NU240-E-M1FAGCylindrical Roller20036058750 kN27.2
NUP240-E-M1FAGCylindrical Roller20036058750 kN28
20240-MBFAGSpherical Roller20036058730 kN26.7
30240-AFAGTapered Roller20036058770 kN25.5
30240-XLFAGTapered Roller20036058900 kN25.3
B7240-C-T-P4SFAGPrecision / Angular Contact20036058325 kN24.1

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
6240NSKBall20036058296 kN26.7
7240BNSKBall2003605868,300 lbs25.31
240NSKCylindrical Roller20036058140,000 lbs26.308
NU240ENSKCylindrical Roller20036058945 kN27.4
30240NSKTapered Roller20036058145,000 lbs23.805
HR30240NSKTapered Roller20036058975 kN25.5
7240NSKPrecision / Angular Contact20036058370 kN26.5
7240CNSKPrecision / Angular Contact2003605882,700 lbs26.204

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
7040NSKPrecision / Angular Contact20031051264 kN13.7
7040A5NSKPrecision / Angular Contact2003105148,300 lbs13.703
7040CNSKPrecision / Angular Contact2003105159,500 lbs13.503
7240NSKPrecision / Angular Contact20036058370 kN26.5
7240CNSKPrecision / Angular Contact2003605882,700 lbs26.204
7340NSKPrecision / Angular Contact20042080520 kN54.4
7940A5NSKPrecision / Angular Contact2002803840,100 lbs6.922
7940CNSKPrecision / Angular Contact2002803842,500 lbs6.849

Request a quotation for 7240A5

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