SIFT BEARING STORE CATALOG

31321-X-XLFAGTapered Roller

31321-X-XL is a FAG tapered roller bearing, bore 105 mm, O.D. 225 mm, width 53 mm, dynamic rating 480 kN. Dimensions, drawing, interchanges and price.

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Bore d105mm
Outside dia. D225mm
Width B53mm
Dynamic Cr480kN
Static C0r510kN
Limiting speed3,350rpm
Weight10kg
Cr / C0r0.94
Mean dia. dm165mm

Original catalogue drawing - FAG Schaeffler HR 1, page 604

31321-X-XL FAG 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. D225 mmBore d105 mmWidth B53 mmCup width C36 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 diameter1054.1339
DOutside diameter2258.8583
BInner-ring / bearing width532.0866
TOverall assembly width582.2835
CCup / outer-ring width361.4173

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)105
Outside dia. D (mm)225
Width B (mm)53
Overall width T (mm)58
Cup width C (mm)36
Inner-ring OD d1 (mm)161.9

Load ratings & speeds

Basic dynamic load rating Cr (lbs)107908
Basic static load rating Cor (lbs)114653
Basic dynamic load rating Cr (N)480000
Basic static load rating C0r (N)510000
Basic dynamic axial rating Ca (N)7
Fatigue limit load Cur (N)70000
Factor e0.83
Factor Y0.73
Factor Y00.4
Limiting speed nG (rpm)3,350
Reference speed nB (rpm)2,440
Effective load centre a (mm)70

Weight

Weight (kg)10.0

Mounting dimensions (fillets / shoulders)

Chamfer r2 min (mm)4
Shaft shoulder da (mm)127
Shaft shoulder db (mm)119
Housing shoulder Da (mm)176
Housing shoulder Db (mm)211
Housing fillet ra max (mm)4
Fillet rb max (mm)3

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 1,100 rpm
4120,0001021,539
680,0003925,947
860,0001,02415,515
1048,0002,15432,643
1532,0008,323126,113

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 480,000 N. Hours = L10 x 106 / (60n). Life-modification factors for lubrication, contamination and temperature (aISO) are not included.

Source & traceability

BrandFAG
Source catalogueFAG / Schaeffler Rolling Bearings HR 1
Catalogue pagep.604 (dimensions)

Load ratings in newtons, fatigue limit load Cur, limiting speed nG and reference speed nB.

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
HR31321NSKTapered Roller10522553510 kN10

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
30221-AFAGTapered Roller10519036280 kN4.23
30221-XLFAGTapered Roller10519036330 kN4.46
30321-XLFAGTapered Roller10522549530 kN10.5
32021-XFAGTapered Roller10516035202 kN2.33
32021-X-XLFAGTapered Roller10516035238 kN2.45
32021-X-XL-DF-A280-330FAGTapered Roller105160None410 kN5.11
32221-AFAGTapered Roller10519050385 kN6.07
32221-XLFAGTapered Roller10519050455 kN6.3

Request a quotation for 31321-X-XL

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.