SIFT BEARING STORE CATALOG

377-S/372TimkenTapered Roller

377-S/372 is a Timken tapered roller bearing, bore 51.59 mm, O.D. 100 mm, width 22.23 mm, weight 0.84 kg. Dimensions, drawing, interchanges and price.

Cone + cup assembly
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Bore d51.59mm
Outside dia. D100mm
Width B22.23mm
Weight0.84kg
Mean dia. dm75.8mm

Original catalogue drawing - Timken - Single Row

377-S/372 Timken 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. D100 mmBore d51.59 mmWidth B22.23 mmCup width C21.82 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 diameter51.5922.0312
DOutside diameter1003.937
BInner-ring / bearing width22.2250.875
TOverall assembly width250.9843
CCup / outer-ring width21.8240.8592
rChamfer (min)20.0787

Notes

Tapered roller bearings are cone / cup assemblies; cone and cup weights are listed separately and the total is their sum. 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)51.592
Bore d (in)2.0312
Outside dia. D (mm)100.000
Outside dia. D (in)3.9370
Width B (mm)22.225
Width B (in).8750
Overall width T (mm)25.000
Overall width T (in).9842
Cup width C (mm)21.824
Cup width C (in).8592

Weight

Cone weight (kg)0.41
Cup weight (kg)0.43
Total weight (kg)0.84

Mounting dimensions (fillets / shoulders)

Shaft fillet R max (mm)1.5
Housing fillet r max (mm)2.0

Source & traceability

BrandTimken
Source catalogueTimken Bearing Dimension Catalog
Catalogue pagep.309 (dimensions) / p.26 (cone) / p.26 (cup)

Dimensions and component weights only - this catalogue publishes no load ratings or speeds.

Series variants (different suffix)

DesignationBrandTypedDB/TDyn. ratingkg
377/372TimkenTapered Roller52.3910022.23104 kN0.83
377/3720TimkenTapered Roller52.3993.2622.23104 kN0.69
377/372ATimkenTapered Roller52.3996.8422.23104 kN0.69
377/3730TimkenTapered Roller52.3993.2622.23104 kN0.7
377/374TimkenTapered Roller52.3993.2622.23104 kN0.57

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
368-S/362TimkenTapered Roller51.599022.23102 kN0.5
368-S/362ATimkenTapered Roller51.5988.922.23102 kN0.5
368-S/363DTimkenTapered Roller51.599050.01177 kN1.15
18204X/18335ETimkenTapered Roller528518.26-0.4
18204X/18335XTimkenTapered Roller528518.2651.6 kN0.36
XGA30210/Y30210TimkenTapered Roller529021.75--
XGA33211/Y33211TimkenTapered Roller50.8110035--
18200/18335ETimkenTapered Roller50.88518.26-0.42

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