SIFT BEARING STORE CATALOG

30334NSKTapered Roller

30334 is a NSK tapered roller bearing, bore 170 mm, O.D. 360 mm, width 72 mm, dynamic rating 190,000 lbs. Dimensions, drawing, interchanges and price.

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Bore d170mm
Outside dia. D360mm
Width B72mm
Dynamic Cr190,000lbs
Static C0r243,000lbs
Limiting speed950rpm
Weight33.507kg
Cr / C0r0.78
Mean dia. dm265mm

Original catalogue drawing - NSK catalogue, page 107

30334 NSK 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. D360 mmBore d170 mmWidth B72 mmCup width C62 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 diameter1706.6929
DOutside diameter36014.1732
BInner-ring / bearing width722.8346
TOverall assembly width803.1496
CCup / outer-ring width622.4409

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)170
Bore d (in)6.6929
Outside dia. D (mm)360
Outside dia. D (in)14.1732
Width B (mm)72
Width B (in)2.8346
Overall width T (mm)80
Overall width T (in)3.1496
Cup width C (mm)62
Cup width C (in)2.4409

Load ratings & speeds

Basic dynamic load rating Cr (lbs)190000
Basic static load rating Cor (lbs)243000
Limiting speed - grease (rpm)950
Limiting speed - oil (rpm)1,300

Weight

Weight (kg)33.507

Mounting dimensions (fillets / shoulders)

Chamfer r (in)0.12
Shaft shoulder da min (in)7.756
Housing shoulder Da max (in)13.465
Shaft shoulder db max (in)8.701

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 300 rpm
4211,2911025,644
6140,86039221,805
8105,6451,02456,889
1084,5162,154119,691
1556,3448,323462,415

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 845,162 N. Hours = L10 x 106 / (60n). Life-modification factors for lubrication, contamination and temperature (aISO) are not included.

Source & traceability

BrandNSK
Source catalogueNSK inch product catalogue
Catalogue pagep.109 (dimensions) / p.110 (ratings)

Dimensions in inches and millimetres, load ratings in lbs.

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
6334-MFAGBall17036072325 kN37.3
QJ334-N2-MPAFAGBall17036072585 kN38.4
N334-E-M1FAGCylindrical Roller17036072965 kN37.9
N334-E-TB-M1FAGCylindrical Roller17036072960 kN37.9
NJ334-E-M1FAGCylindrical Roller17036072965 kN38.6
NJ334-E-TB-M1FAGCylindrical Roller17036072960 kN38.6
NU334-E-M1FAGCylindrical Roller17036072965 kN38
NU334-E-TB-M1FAGCylindrical Roller17036072960 kN38
30334-AFAGTapered Roller170360721040 kN35.3
7334-B-MPFAGPrecision / Angular Contact17036072405 kN34.4

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
6334NSKBall1703607273,400 lbs38.102
7334BNSKBall1703607279,400 lbs35.471
334NSKCylindrical Roller17036072179,000 lbs37.195
NU334ENSKCylindrical Roller170360721140 kN37.9
7334NSKPrecision / Angular Contact17036072425 kN35.8

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
30234NSKTapered Roller17031052118,000 lbs16.103
32334NSKTapered Roller170360120308,000 lbs57.012
32934NSKTapered Roller17023036315 kN4.3
HR30234NSKTapered Roller17031052775 kN17.1
HR32034NSKTapered Roller17026057620 kN10.6
HR32034XJNSKTapered Roller17026057505,000 lbs10.6
HR32234NSKTapered Roller170310861140 kN28
HR32234JNSKTapered Roller17031086209,000 lbs28.009

Request a quotation for 30334

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