SIFT BEARING STORE CATALOG

322/312TimkenTapered Roller

322/312 is a Timken tapered roller bearing, bore 29.97 mm, O.D. 72.63 mm, width 22.17 mm, weight 0.49 kg. Dimensions, drawing, interchanges and price.

Cone + cup assembly
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Bore d29.97mm
Outside dia. D72.63mm
Width B22.17mm
Weight0.49kg
Mean dia. dm51.3mm

Original catalogue drawing - Timken - Single Row

322/312 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. D72.63 mmBore d29.97 mmWidth B22.17 mmCup width C23.81 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 diameter29.9721.18
DOutside diameter72.6262.8593
BInner-ring / bearing width22.1740.873
TOverall assembly width26.9881.0625
CCup / outer-ring width23.8120.9375
rChamfer (min)3.30.1299

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)29.972
Bore d (in)1.1800
Outside dia. D (mm)72.626
Outside dia. D (in)2.8593
Width B (mm)22.174
Width B (in).8730
Overall width T (mm)26.988
Overall width T (in)1.0625
Cup width C (mm)23.812
Cup width C (in).9375

Weight

Cone weight (kg)0.3
Cup weight (kg)0.19
Total weight (kg)0.49

Mounting dimensions (fillets / shoulders)

Shaft fillet R max (mm).8
Housing fillet r max (mm)3.3

Source & traceability

BrandTimken
Source catalogueTimken Bearing Dimension Catalog
Catalogue pagep.303 (dimensions) / p.23 (cone) / p.23 (cup)

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

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
319/312TimkenTapered Roller3072.6322.17-0.49

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
02474A/02419TimkenTapered Roller29.9966.9922.23-0.35
02474A/02420ATimkenTapered Roller29.9968.2622.2363.8 kN0.39
14118AS/14272TimkenTapered Roller29.9969.0119.2-0.34
14118AS/14276TimkenTapered Roller29.9969.0119.264.7 kN0.36
15115/15243TimkenTapered Roller29.9961.9119.05-0.25
15115/15245TimkenTapered Roller29.996219.0559.9 kN0.26
15117/15244TimkenTapered Roller29.996220.6459.9 kN0.28
15117/15244XTimkenTapered Roller29.996220.6459.9 kN0.28

Request a quotation for 322/312

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