SIFT BEARING STORE CATALOG

7230A5NSKPrecision / Angular Contact

7230A5 is a NSK precision / angular contact bearing, bore 150 mm, O.D. 270 mm, width 45 mm. Dimensions, drawing, interchanges and price.

Request a quoteEmail usSearch the catalog
Bore d150mm
Outside dia. D270mm
Width B45mm
Dynamic Cr58,000lbs
Static C0r65,000lbs
Limiting speed3,800rpm
Weight11.104kg
Cr / C0r0.89
Mean dia. dm210mm

Original catalogue drawing - NSK catalogue, page 197

7230A5 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. D270 mmBore d150 mmWidth B45 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 diameter1505.9055
DOutside diameter27010.6299
BInner-ring / bearing width451.7717

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)150
Bore d (in)5.9055
Outside dia. D (mm)270
Outside dia. D (in)10.6299
Width B (mm)45
Width B (in)1.7717

Load ratings & speeds

Basic dynamic load rating Cr (lbs)58000
Basic static load rating Cor (lbs)65000
Limiting speed - grease (rpm)3,800
Limiting speed - oil (rpm)5,300

Weight

Weight (kg)11.104

Mounting dimensions (fillets / shoulders)

Fillet ra (in)0.098
Fillet rb (in)0.039
Shaft shoulder da (in)6.457
Housing shoulder Da (in)10.079
Housing shoulder Db (in)10.354

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 1,200 rpm
464,49964889
642,9992163,000
832,2505127,111
1025,8001,00013,889
1517,2003,37546,875

Basic rating life per ISO 281: L10 = (C/P)3 with C = 257,997 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
6230FAGBall15027045187 kN10.3
QJ230-N2-MPAFAGBall15027045350 kN12.2
N230-E-M1FAGCylindrical Roller15027045520 kN11.7
N230-E-XL-M1FAGCylindrical Roller15027045520 kN11.8
NJ230-E-M1FAGCylindrical Roller15027045520 kN11.9
NJ230-E-XL-M1FAGCylindrical Roller15027045520 kN12
NU230-E-M1FAGCylindrical Roller15027045520 kN11.8
NU230-E-XL-M1FAGCylindrical Roller15027045520 kN11.9
NUP230-E-M1FAGCylindrical Roller15027045520 kN12.1
NUP230-E-XL-M1FAGCylindrical Roller15027045520 kN12.2

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
6230NSKBall1502704539,600 lbs11.476
7230BNSKBall1502704550,500 lbs10.977
230NSKCylindrical Roller1502704577,000 lbs11.34
NU230ENSKCylindrical Roller15027045550 kN11.9
30230NSKTapered Roller1502704597,800 lbs10.7
7230NSKPrecision / Angular Contact15027045273 kN11.2
7230CNSKPrecision / Angular Contact1502704560,800 lbs11.104

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
7030NSKPrecision / Angular Contact15022535151 kN4.75
7030A5NSKPrecision / Angular Contact1502253532,000 lbs4.69
7030CNSKPrecision / Angular Contact1502253534,000 lbs4.672
7230NSKPrecision / Angular Contact15027045273 kN11.2
7230CNSKPrecision / Angular Contact1502704560,800 lbs11.104
7330NSKPrecision / Angular Contact15032065350 kN26
7930A5NSKPrecision / Angular Contact1502102821,700 lbs2.971
7930CNSKPrecision / Angular Contact1502102822,900 lbs2.966

Request a quotation for 7230A5

Send us the quantity you need and we will come back with price and lead time, normally within 24 hours. Equivalent parts from other brands can be quoted at the same time.