SIFT BEARING STORE CATALOG

7928A5NSKPrecision / Angular Contact

7928A5 is a NSK precision / angular contact bearing, bore 140 mm, O.D. 190 mm, width 24 mm. Dimensions, drawing, interchanges and price.

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Bore d140mm
Outside dia. D190mm
Width B24mm
Dynamic Cr16,900lbs
Static C0r20,300lbs
Limiting speed6,100rpm
Weight1.628kg
Cr / C0r0.83
Mean dia. dm165mm

Original catalogue drawing - NSK catalogue, page 201

7928A5 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. D190 mmBore d140 mmWidth B24 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 diameter1405.5118
DOutside diameter1907.4803
BInner-ring / bearing width240.9449

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)140
Bore d (in)5.5118
Outside dia. D (mm)190
Outside dia. D (in)7.4803
Width B (mm)24
Width B (in)0.9449

Load ratings & speeds

Basic dynamic load rating Cr (lbs)16900
Basic static load rating Cor (lbs)20300
Limiting speed - grease (rpm)6,100
Limiting speed - oil (rpm)9,100

Weight

Weight (kg)1.628

Mounting dimensions (fillets / shoulders)

Fillet ra (in)0.059
Fillet rb (in)0.031
Shaft shoulder da (in)5.866
Housing shoulder Da (in)7.126
Housing shoulder Db (in)7.244

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 2,000 rpm
418,79464533
612,5292161,800
89,3975124,267
107,5171,0008,333
155,0123,37528,125

Basic rating life per ISO 281: L10 = (C/P)3 with C = 75,175 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.203 (dimensions) / p.204 (ratings)

Dimensions in inches and millimetres, load ratings in lbs.

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
B71928-C-T-P4SFAGPrecision / Angular Contact1401902473.5 kN1.63
B71928-E-T-P4SFAGPrecision / Angular Contact1401902469.5 kN1.62
HCB71928-C-T-P4SFAGPrecision / Angular Contact1401902462 kN1.65
HCB71928-E-T-P4SFAGPrecision / Angular Contact1401902447.5 kN1.65

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
6928NSKBall1401902415,000 lbs1.637
7928CNSKPrecision / Angular Contact1401902417,900 lbs1.61

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
7028A5NSKPrecision / Angular Contact1402103328,000 lbs3.869
7028CNSKPrecision / Angular Contact1402103329,800 lbs3.851
7228NSKPrecision / Angular Contact14025042240 kN8.92
7228A5NSKPrecision / Angular Contact1402504250,900 lbs7.911
7228CNSKPrecision / Angular Contact1402504253,600 lbs7.843
7328NSKPrecision / Angular Contact14030062330 kN21.4
7928CNSKPrecision / Angular Contact1401902417,900 lbs1.61
N1028NSKPrecision / Angular Contact1402103339,500 lbs3.801

Request a quotation for 7928A5

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.