SIFT BEARING STORE CATALOG

NU252-E-TB-M1FAGCylindrical Roller

NU252-E-TB-M1 is a FAG cylindrical roller bearing, bore 260 mm, O.D. 480 mm, width 80 mm. Dimensions, drawing, interchanges and price.

Brass cage
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Bore d260mm
Outside dia. D480mm
Width B80mm
Dynamic Cr1350kN
Static C0r1890kN
Limiting speed2,100rpm
Weight68.4kg
Cr / C0r0.71
Mean dia. dm370mm

Original catalogue drawing - FAG Schaeffler HR 1, page 446

NU252-E-TB-M1 FAG Cylindrical 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. D480 mmBore d260 mmWidth B80 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 diameter26010.2362
DOutside diameter48018.8976
BInner-ring / bearing width803.1496
rChamfer (min)50.1969
ERoller-set outside dia.42916.8898
FRoller-set bore dia.31712.4803

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)260
Outside dia. D (mm)480
Width B (mm)80
Inner-ring shoulder dia. D1 (mm)406.6
Dimension E (mm)429
Dimension F (mm)317
Dimension s (mm)6.2

Load ratings & speeds

Basic dynamic load rating Cr (lbs)303492
Basic static load rating Cor (lbs)424889
Basic dynamic load rating Cr (N)1.35e+06
Basic static load rating C0r (N)1.89e+06
Fatigue limit load Cur (N)139000
Limiting speed nG (rpm)2,100
Reference speed nB (rpm)1,110

Weight

Weight (kg)68.4

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)5
Chamfer r1 min (mm)5
Shaft shoulder da (mm)280
Shaft shoulder db (mm)320
Housing shoulder Da (mm)460
Housing fillet ra max (mm)4
Housing fillet ra1 max (mm)4

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 700 rpm
4337,5001022,419
6225,0003929,345
8168,7501,02424,381
10135,0002,15451,296
1590,0008,323198,178

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 1,350,000 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.446 (dimensions)

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

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
252NSKCylindrical Roller26048080249,000 lbs66.678
NU252NSKCylindrical Roller260480801360 kN67.1
30252NSKTapered Roller26048080268,000 lbs60.709

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
6252-MFAGBall26048080405 kN68.4
NJ252-E-M1FAGCylindrical Roller260480801340 kN69.4
NJ252-E-TB-M1FAGCylindrical Roller260480801350 kN69.4
NU252-E-M1FAGCylindrical Roller260480801340 kN68.4
30252-XLFAGTapered Roller260480801730 kN63.2

Series variants (different suffix)

DesignationBrandTypedDB/TDyn. ratingkg
NU252-E-M1FAGCylindrical Roller260480801340 kN68.4

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
LSL192352FAGCylindrical Roller2605401653400 kN168
LSL192352-TBFAGCylindrical Roller2605401653350 kN168
NJ252-E-M1FAGCylindrical Roller260480801340 kN69.4
NJ252-E-TB-M1FAGCylindrical Roller260480801350 kN69.4
NN3052-AS-K-M-SPFAGCylindrical Roller2604001041060 kN46.2
NU1052-M1FAGCylindrical Roller26040065650 kN29.7
NU2252-E-M1FAGCylindrical Roller2604801302160 kN109
NU2252-E-TB-M1FAGCylindrical Roller2604801302180 kN109

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