SIFT BEARING STORE CATALOG

20315-MBFAGSpherical Roller

20315-MB is a FAG spherical roller bearing, bore 75 mm, O.D. 160 mm, width 37 mm, dynamic rating 216 kN. Dimensions, drawing, interchanges and price.

Brass cage
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Bore d75mm
Outside dia. D160mm
Width B37mm
Dynamic Cr216kN
Static C0r255kN
Limiting speed4,100rpm
Weight3.76kg
Cr / C0r0.85
Mean dia. dm117.5mm

Original catalogue drawing - FAG Schaeffler HR 1, page 656

20315-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. D160 mmBore d75 mmWidth B37 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 diameter752.9528
DOutside diameter1606.2992
BInner-ring / bearing width371.4567
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)75
Outside dia. D (mm)160
Width B (mm)37
Inner-ring shoulder dia. D1 (mm)138.1

Load ratings & speeds

Basic dynamic load rating Cr (lbs)48559
Basic static load rating Cor (lbs)57326
Basic dynamic load rating Cr (N)216000
Basic static load rating C0r (N)255000
Fatigue limit load Cur (N)22200
Limiting speed nG (rpm)4,100

Weight

Weight (kg)3.76

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)2.1
Shaft shoulder da (mm)87
Housing shoulder Da (mm)148
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
454,0001021,302
636,0003925,032
827,0001,02413,128
1021,6002,15427,621
1514,4008,323106,711

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 216,000 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
1315NSKBall751603718,000 lbs3.552
6315NSKBall751603725,500 lbs2.998
7315BNSKBall751603726,500 lbs3.597
BL315NSKBall751603733,400 lbs3.375
315NSKCylindrical Roller751603740,300 lbs3.221
NU315NSKCylindrical Roller7516037220 kN3.26
NU315ENSKCylindrical Roller7516037295 kN3.73
21315EAE4NSKSpherical Roller7516037310 kN3.64
3000NSKTapered Roller7516037259 kN3.47
HR30315JNSKTapered Roller751603756,900 lbs3.629

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
1315-K-M-C3FAGBall751603780 kN3.81
1315-MFAGBall751603780 kN3.86
6315FAGBall7516037123 kN3.18
6315-2RSRFAGBall7516037123 kN3.18
6315-2ZFAGBall7516037123 kN3.23
QJ315-N2-MPAFAGBall7516037212 kN3.95
QJ315-XL-N2-MPAFAGBall7516037229 kN3.95
N315-E-TVP2FAGCylindrical Roller7516037285 kN3.34

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
20215-K-TVP-C3FAGSpherical Roller7513025112 kN1.25
20215-TVPFAGSpherical Roller7513025112 kN1.28
21315-E1-XLFAGSpherical Roller7516037305 kN3.79
21315-E1-XL-KFAGSpherical Roller7516037305 kN3.74
22215-E1-XLFAGSpherical Roller7513031216 kN1.72
22215-E1-XL-KFAGSpherical Roller7513031216 kN1.68
22315-E1-XLFAGSpherical Roller7516055445 kN5.38
22315-E1-XL-KFAGSpherical Roller7516055445 kN5.3

Request a quotation for 20315-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.

Online enquiry formrichard@bearingsfit.com