SIFT BEARING STORE CATALOG

23996-B-K-MBFAGSpherical Roller

23996-B-K-MB is a FAG spherical roller bearing, bore 480 mm, O.D. 650 mm, width 128 mm. Dimensions, drawing, interchanges and price.

Tapered boreBrass cage
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Bore d480mm
Outside dia. D650mm
Width B128mm
Dynamic Cr2550kN
Static C0r6000kN
Limiting speed1,040rpm
Weight121kg
Cr / C0r0.42
Mean dia. dm565mm

Original catalogue drawing - FAG Schaeffler HR 1, page 768

23996-B-K-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. D650 mmBore d480 mmWidth B128 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 diameter48018.8976
DOutside diameter65025.5906
BInner-ring / bearing width1285.0394
rChamfer (min)50.1969

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)480
Outside dia. D (mm)650
Width B (mm)128
Inner-ring shoulder dia. D1 (mm)598.8

Load ratings & speeds

Basic dynamic load rating Cr (lbs)573263
Basic static load rating Cor (lbs)1348854
Basic dynamic load rating Cr (N)2.55e+06
Basic static load rating C0r (N)6e+06
Fatigue limit load Cur (N)460000
Factor e0.18
Factor Y03.67
Limiting speed nG (rpm)1,040
Reference speed nB (rpm)570
Effective load centre a (mm)6.5

Weight

Weight (kg)121.0

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)5
Shaft shoulder da (mm)498
Shaft shoulder db (mm)496
Housing shoulder Da (mm)632
Housing fillet ra max (mm)4

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 300 rpm
4637,5001025,644
6425,00039221,805
8318,7501,02456,889
10255,0002,154119,691
15170,0008,323462,415

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 2,550,000 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.768 (dimensions)

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

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
23996CAME4NSKSpherical Roller480650128580,000 lbs119.431

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
23996-B-MBFAGSpherical Roller4806501282550 kN126

Series variants (different suffix)

DesignationBrandTypedDB/TDyn. ratingkg
23996-B-MBFAGSpherical Roller4806501282550 kN126

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
23096-BEA-XL-K-MB1FAGSpherical Roller4807001654450 kN210
23096-BEA-XL-MB1FAGSpherical Roller4807001654450 kN217
23196-BEA-XL-K-MB1FAGSpherical Roller4807902487400 kN479
23196-BEA-XL-MB1FAGSpherical Roller4807902487400 kN494
23296-BEA-XL-K-MB1FAGSpherical Roller48087031010000 kN804
23296-BEA-XL-MB1FAGSpherical Roller48087031010000 kN829
24096-BEA-XL-K30-MB1FAGSpherical Roller4807002185600 kN279
24096-BEA-XL-MB1FAGSpherical Roller4807002185600 kN284

Request a quotation for 23996-B-K-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