SIFT BEARING STORE CATALOG

K37425-37625FAGTapered Roller

K37425-37625 is a FAG tapered roller bearing, bore 107.95 mm, O.D. 158.75 mm, width 21.44 mm. Dimensions, drawing, interchanges and price.

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Bore d107.95mm
Outside dia. D158.75mm
Width B21.44mm
Dynamic Cr100kN
Static C0r164kN
Limiting speed4,400rpm
Weight1kg
Cr / C0r0.61
Mean dia. dm133.3mm

Original catalogue drawing - FAG Schaeffler HR 1, page 628

K37425-37625 FAG Tapered 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. D158.75 mmBore d107.95 mmWidth B21.44 mmCup width C15.88 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 diameter107.954.25
DOutside diameter158.756.25
BInner-ring / bearing width21.4380.844
TOverall assembly width23.020.9063
CCup / outer-ring width15.8750.625

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)107.95
Outside dia. D (mm)158.75
Width B (mm)21.438
Overall width T (mm)23.02
Cup width C (mm)15.875
Inner-ring OD d1 (mm)134.2

Load ratings & speeds

Basic dynamic load rating Cr (lbs)22481
Basic static load rating Cor (lbs)36869
Basic dynamic load rating Cr (N)100000
Basic static load rating C0r (N)164000
Basic dynamic axial rating Ca (N)3.5
Fatigue limit load Cur (N)18500
Factor e0.61
Factor Y0.99
Factor Y00.54
Limiting speed nG (rpm)4,400
Effective load centre a (mm)37

Weight

Weight (kg)1.0

Mounting dimensions (fillets / shoulders)

Chamfer r2 min (mm)3.6
Shaft shoulder da (mm)115
Shaft shoulder db (mm)122
Housing shoulder Da (mm)143
Housing shoulder Db (mm)152
Housing fillet ra max (mm)3.6
Fillet rb max (mm)3.3

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 1,400 rpm
425,0001021,209
616,6673924,673
812,5001,02412,190
1010,0002,15425,648
156,6678,32399,089

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 100,000 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.628 (dimensions)

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

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
37425/37625TimkenTapered Roller107.95158.7521.44137 kN1.37

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
AK56425-56650-XLFAGTapered Roller107.95165.136.51244 kN2.71
AK56425-56662-XLFAGTapered Roller107.95168.2836.51244 kN2.89
K48190-48120FAGTapered Roller107.95161.9334.92175 kN2.46
K37431-37625FAGTapered Roller109.54158.7521.44100 kN1.36
K37431-A-37625FAGTapered Roller109.54158.7521.44100 kN1.35
AK56418-56650-XLFAGTapered Roller106.36165.136.51244 kN2.79
KLM522548-LM522510FAGTapered Roller109.99159.9934.92174 kN2.36
KLM522549-LM522510FAGTapered Roller109.99159.9934.92174 kN2.34

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