SIFT BEARING STORE CATALOG

A7420B1NSKBall

A7420B1 is a NSK ball bearing, bore 100 mm, O.D. 265 mm, width 60 mm, dynamic rating 53,100 lbs. Dimensions, drawing, interchanges and price.

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Bore d100mm
Outside dia. D265mm
Width B60mm
Dynamic Cr53,100lbs
Static C0r53,400lbs
Limiting speed2,100rpm
Weight18.189kg
Cr / C0r0.99
Mean dia. dm182.5mm

Original catalogue drawing - NSK catalogue, page 41

A7420B1 NSK Ball 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. D265 mmBore d100 mmWidth B60 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 diameter1003.937
DOutside diameter26510.4331
BInner-ring / bearing width602.3622
rChamfer (min)2.9970.118

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)100
Bore d (in)3.9370
Outside dia. D (mm)265
Outside dia. D (in)10.4331
Width B (mm)60
Width B (in)2.3622

Load ratings & speeds

Basic dynamic load rating Cr (lbs)53100
Basic static load rating Cor (lbs)53400
Limiting speed - grease (rpm)2,100
Limiting speed - oil (rpm)2,900

Weight

Weight (kg)18.189

Mounting dimensions (fillets / shoulders)

Chamfer r (in)0.118
Shaft shoulder da min (in)4.646
Housing shoulder Da max (in)9.125

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 700 rpm
459,050641,524
639,3672165,143
829,52551212,190
1023,6201,00023,810
1515,7473,37580,357

Basic rating life per ISO 281: L10 = (C/P)3 with C = 236,201 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.43 (dimensions) / p.44 (ratings)

Dimensions in inches and millimetres, load ratings in lbs.

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
1220NSKBall1001803476.5 kN3.74
1320NSKBall10021547155 kN8.4
16020NSKBall1001501646.5 kN0.945
6020NSKBall1001502413,500 lbs1.252
6220NSKBall1001803427,500 lbs3.148
6320NSKBall1002154738,900 lbs6.94
6820NSKBall100125134,400 lbs0.299
6920NSKBall100140209,570 lbs0.807

Request a quotation for A7420B1

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