SIFT BEARING STORE CATALOG

32248NSKTapered Roller

32248 is a NSK tapered roller bearing, bore 240 mm, O.D. 440 mm, width 120 mm, dynamic rating 366,000 lbs. Dimensions, drawing, interchanges and price.

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Bore d240mm
Outside dia. D440mm
Width B120mm
Dynamic Cr366,000lbs
Static C0r614,000lbs
Limiting speed740rpm
Weight78.05kg
Cr / C0r0.6
Mean dia. dm340mm

Original catalogue drawing - NSK catalogue, page 113

32248 NSK Tapered Roller 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. D440 mmBore d240 mmWidth B120 mmCup width C100 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 diameter2409.4488
DOutside diameter44017.3228
BInner-ring / bearing width1204.7244
TOverall assembly width1275
CCup / outer-ring width1003.937

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)240
Bore d (in)9.4488
Outside dia. D (mm)440
Outside dia. D (in)17.3228
Width B (mm)120
Width B (in)4.7244
Overall width T (mm)127
Overall width T (in)5.0000
Cup width C (mm)100
Cup width C (in)3.9370

Load ratings & speeds

Basic dynamic load rating Cr (lbs)366000
Basic static load rating Cor (lbs)614000
Limiting speed - grease (rpm)740
Limiting speed - oil (rpm)1,010

Weight

Weight (kg)78.05

Mounting dimensions (fillets / shoulders)

Chamfer r (in)3.00
Shaft shoulder da min (in)10.512
Housing shoulder Da max (in)16.457
Shaft shoulder db max (in)11.220

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 200 rpm
4407,0121028,466
6271,34239232,708
8203,5061,02485,333
10162,8052,154179,536
15108,5378,323693,622

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 1,628,049 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.115 (dimensions) / p.116 (ratings)

Dimensions in inches and millimetres, load ratings in lbs.

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
NU2248-EX-M1FAGCylindrical Roller2404401201830 kN82.8
NU2248-EX-TB-M1FAGCylindrical Roller2404401201850 kN82.8
22248-BE-XLFAGSpherical Roller2404401202230 kN83.6
22248-BE-XL-KFAGSpherical Roller2404401202230 kN81.8
32248-AFAGTapered Roller2404401201860 kN80.5
32248-XLFAGTapered Roller2404401202190 kN80.5
32248TimkenTapered Roller2404401202230 kN81.12

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
2248NSKCylindrical Roller240440120321,000 lbs84.368
NU2248NSKCylindrical Roller2404401201770 kN84.9
22248CAME4NSKSpherical Roller240440120420,000 lbs79.524

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
30248NSKTapered Roller24044072223,000 lbs45.21
30348NSKTapered Roller24050095373,000 lbs92.614
32348NSKTapered Roller240500155567,000 lbs145.027
HR32048NSKTapered Roller240360761130 kN26.2
HR32048XJNSKTapered Roller24036076920,000 lbs26.204
HR32948NSKTapered Roller24032051615 kN11.1
HR32948JNSKTapered Roller24032051112,000 lbs11.104

Request a quotation for 32248

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