SIFT BEARING STORE CATALOG

20316-MBFAGSpherical Roller

20316-MB is a FAG spherical roller bearing, bore 80 mm, O.D. 170 mm, width 39 mm, dynamic rating 243 kN. Dimensions, drawing, interchanges and price.

Brass cage
Request a quoteEmail usSearch the catalog
Bore d80mm
Outside dia. D170mm
Width B39mm
Dynamic Cr243kN
Static C0r285kN
Limiting speed3,950rpm
Weight4.58kg
Cr / C0r0.85
Mean dia. dm125mm

Original catalogue drawing - FAG Schaeffler HR 1, page 656

20316-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. D170 mmBore d80 mmWidth B39 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 diameter803.1496
DOutside diameter1706.6929
BInner-ring / bearing width391.5354
rChamfer (min)2.10.0827

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)80
Outside dia. D (mm)170
Width B (mm)39
Inner-ring shoulder dia. D1 (mm)147.5

Load ratings & speeds

Basic dynamic load rating Cr (lbs)54629
Basic static load rating Cor (lbs)64071
Basic dynamic load rating Cr (N)243000
Basic static load rating C0r (N)285000
Fatigue limit load Cur (N)25000
Limiting speed nG (rpm)3,950

Weight

Weight (kg)4.58

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)2.1
Shaft shoulder da (mm)92
Housing shoulder Da (mm)158
Housing fillet ra max (mm)2.1

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 1,300 rpm
460,7501021,302
640,5003925,032
830,3751,02413,128
1024,3002,15427,621
1516,2008,323106,711

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 243,000 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
1316NSKBall801703998 kN4.24
6316NSKBall801703927,600 lbs3.597
7316BNSKBall801703928,700 lbs4.25
BL316NSKBall801703936,200 lbs4.032
316NSKCylindrical Roller801703942,700 lbs3.856
NU316ENSKCylindrical Roller8017039315 kN4.45
21316EAE4NSKSpherical Roller8017039355 kN4.32
HR30316NSKTapered Roller8017039290 kN4.07
HR30316JNSKTapered Roller801703962,000 lbs4.273
HR31316NSKTapered Roller8017039290 kN4.07

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
1316-K-M-C3FAGBall801703989 kN4.5
1316-MFAGBall801703989 kN4.56
6316FAGBall8017039131 kN3.75
6316-2RSRFAGBall8017039131 kN3.75
6316-2ZFAGBall8017039131 kN3.82
QJ316-N2-MPAFAGBall8017039224 kN4.65
N316-E-TVP2FAGCylindrical Roller8017039300 kN4.12
N316-E-XL-TVP2FAGCylindrical Roller8017039300 kN4.12

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
20216-K-TVP-C3FAGSpherical Roller8014026126 kN1.56
20216-TVPFAGSpherical Roller8014026126 kN1.58
21316-E1-XLFAGSpherical Roller8017039305 kN4.54
21316-E1-XL-KFAGSpherical Roller8017039305 kN4.54
22216-E1-XLFAGSpherical Roller8014033250 kN2.1
22216-E1-XL-KFAGSpherical Roller8014033250 kN2.08
22316-E1-XLFAGSpherical Roller8017058495 kN6.27
22316-E1-XL-KFAGSpherical Roller8017058495 kN6.1

Request a quotation for 20316-MB

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.