SIFT BEARING STORE CATALOG

30234-AFAGTapered Roller

30234-A is a FAG tapered roller bearing, bore 170 mm, O.D. 310 mm, width 52 mm, dynamic rating 600 kN. Dimensions, drawing, interchanges and price.

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Bore d170mm
Outside dia. D310mm
Width B52mm
Dynamic Cr600kN
Static C0r840kN
Limiting speed2,200rpm
Weight19.2kg
Cr / C0r0.71
Mean dia. dm240mm

Original catalogue drawing - FAG Schaeffler HR 1, page 488

30234-A 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. D310 mmBore d170 mmWidth B52 mmCup width C43 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 diameter1706.6929
DOutside diameter31012.2047
BInner-ring / bearing width522.0472
TOverall assembly width572.2441
CCup / outer-ring width431.6929

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)170
Outside dia. D (mm)310
Width B (mm)52
Overall width T (mm)57
Cup width C (mm)43
Inner-ring OD d1 (mm)233

Load ratings & speeds

Basic dynamic load rating Cr (lbs)134885
Basic static load rating Cor (lbs)188840
Basic dynamic load rating Cr (N)600000
Basic static load rating C0r (N)840000
Basic dynamic axial rating Ca (N)8
Fatigue limit load Cur (N)92000
Factor e0.44
Factor Y1.38
Factor Y00.76
Limiting speed nG (rpm)2,200
Reference speed nB (rpm)1,600
Effective load centre a (mm)60

Weight

Weight (kg)19.2

Mounting dimensions (fillets / shoulders)

Chamfer r2 min (mm)5
Shaft shoulder da (mm)203
Shaft shoulder db (mm)188
Housing shoulder Da (mm)292
Housing shoulder Db (mm)288
Housing fillet ra max (mm)5
Fillet rb max (mm)4

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 700 rpm
4150,0001022,419
6100,0003929,345
875,0001,02424,381
1060,0002,15451,296
1540,0008,323198,178

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 600,000 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.488 (dimensions)

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

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
6234NSKBall1703105247,700 lbs15.567
7234BNSKBall1703105260,000 lbs17.01
234NSKCylindrical Roller17031052107,000 lbs18.144
NU234ENSKCylindrical Roller17031052740 kN18.3
30234NSKTapered Roller17031052118,000 lbs16.103
HR30234NSKTapered Roller17031052775 kN17.1
7234NSKPrecision / Angular Contact17031052325 kN17.3
7234A5NSKPrecision / Angular Contact1703105268,300 lbs17.205
7234CNSKPrecision / Angular Contact1703105271,700 lbs17.404
30234TimkenTapered Roller17031052680 kN17.1

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
6234-MFAGBall17031052225 kN18.3
QJ234-N2-MPAFAGBall17031052420 kN18.6
N234-E-M1FAGCylindrical Roller17031052700 kN18
N234-E-XL-M1FAGCylindrical Roller17031052700 kN18
NJ234-E-M1FAGCylindrical Roller17031052700 kN18.4
NJ234-E-XL-M1FAGCylindrical Roller17031052700 kN18.4
NU234-E-M1FAGCylindrical Roller17031052700 kN18.1
NU234-E-XL-M1FAGCylindrical Roller17031052700 kN18.1

Series variants (different suffix)

DesignationBrandTypedDB/TDyn. ratingkg
30234-XLFAGTapered Roller17031052690 kN17

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
30334-AFAGTapered Roller170360721040 kN35.3
32034-XFAGTapered Roller17026057510 kN11.4
32034-X-XLFAGTapered Roller17026057600 kN10.5
32234-AFAGTapered Roller17031086990 kN28.6
32234-XLFAGTapered Roller170310861160 kN28.8
32234-XL-DF-A320-370FAGTapered Roller170310None1980 kN59.2
32234-XL-DF-A350-410FAGTapered Roller170310None1980 kN59.2
32234-XL-DF-A490-540FAGTapered Roller170310None1980 kN59.2

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