SIFT BEARING STORE CATALOG

20319-MBFAGSpherical Roller

20319-MB is a FAG spherical roller bearing, bore 95 mm, O.D. 200 mm, width 45 mm, dynamic rating 330 kN. Dimensions, drawing, interchanges and price.

Brass cage
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Bore d95mm
Outside dia. D200mm
Width B45mm
Dynamic Cr330kN
Static C0r400kN
Limiting speed3,400rpm
Weight7.29kg
Cr / C0r0.82
Mean dia. dm147.5mm

Original catalogue drawing - FAG Schaeffler HR 1, page 656

20319-MB FAG Spherical 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. D200 mmBore d95 mmWidth B45 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 diameter953.7402
DOutside diameter2007.874
BInner-ring / bearing width451.7717
rChamfer (min)30.1181

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)95
Outside dia. D (mm)200
Width B (mm)45
Inner-ring shoulder dia. D1 (mm)174.5

Load ratings & speeds

Basic dynamic load rating Cr (lbs)74187
Basic static load rating Cor (lbs)89924
Basic dynamic load rating Cr (N)330000
Basic static load rating C0r (N)400000
Fatigue limit load Cur (N)33500
Limiting speed nG (rpm)3,400

Weight

Weight (kg)7.29

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)3
Shaft shoulder da (mm)109
Housing shoulder Da (mm)186
Housing fillet ra max (mm)2.5

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 1,100 rpm
482,5001021,539
655,0003925,947
841,2501,02415,515
1033,0002,15432,643
1522,0008,323126,113

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 330,000 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.656 (dimensions)

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

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
1319NSKBall9520045142 kN6.79
6319NSKBall952004534,400 lbs5.67
7319BNSKBall952004535,500 lbs6.759
BL319NSKBall952004545,000 lbs6.387
319NSKCylindrical Roller952004558,100 lbs6.35
NU319NSKCylindrical Roller9520045320 kN6.23
NU319ENSKCylindrical Roller9520045410 kN7.13
21319CAME4NSKSpherical Roller9520045430 kN6.92
21319CE4NSKSpherical Roller9520045430 kN6.92
30319CNSKTapered Roller952004578,700 lbs6.804

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
1319-K-M-C3FAGBall9520045134 kN7.2
1319-MFAGBall9520045134 kN7.29
6319FAGBall9520045154 kN6.23
6319-2RSRFAGBall9520045154 kN6.317
6319-2ZFAGBall9520045154 kN6.2
QJ319-N2-MPAFAGBall9520045285 kN7.45
N319-E-M1FAGCylindrical Roller9520045390 kN7.05
N319-E-XL-M1FAGCylindrical Roller9520045390 kN7.12

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
20219-MBFAGSpherical Roller9517032206 kN3.19
21319-E1-XL-K-TVPBFAGSpherical Roller9520045425 kN6.63
21319-E1-XL-TVPBFAGSpherical Roller9520045425 kN6.81
22219-E1-XLFAGSpherical Roller9517043380 kN4.13
22219-E1-XL-KFAGSpherical Roller9517043380 kN4.04
22319-E1-XLFAGSpherical Roller9520067670 kN9.69
22319-E1-XL-KFAGSpherical Roller9520067670 kN9.5
22319-E1-XL-K-T41AFAGSpherical Roller9520067670 kN9.5

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