SIFT BEARING STORE CATALOG

HR30305CNSKTapered Roller

HR30305C is a NSK tapered roller bearing, bore 25 mm, O.D. 62 mm, width 17 mm, dynamic rating 9,440 lbs. Dimensions, drawing, interchanges and price.

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Bore d25mm
Outside dia. D62mm
Width B17mm
Dynamic Cr9,440lbs
Static C0r10,100lbs
Limiting speed6,000rpm
Weight0.265kg
Cr / C0r0.93
Mean dia. dm43.5mm

Original catalogue drawing - NSK catalogue, page 127

HR30305C 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. D62 mmBore d25 mmWidth B17 mmCup width C14 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 diameter250.9843
DOutside diameter622.4409
BInner-ring / bearing width170.6693
TOverall assembly width18.250.7185
CCup / outer-ring width140.5512

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)25
Bore d (in)0.9843
Outside dia. D (mm)62
Outside dia. D (in)2.4409
Width B (mm)17
Width B (in)0.6693
Overall width T (mm)18.25
Overall width T (in)0.7185
Cup width C (mm)14
Cup width C (in)0.5512

Load ratings & speeds

Basic dynamic load rating Cr (lbs)9440
Basic static load rating Cor (lbs)10100
Limiting speed - grease (rpm)6,000
Limiting speed - oil (rpm)8,500

Weight

Weight (kg)0.265

Mounting dimensions (fillets / shoulders)

Chamfer r (in)0.059
Shaft shoulder da min (in)1.418
Housing shoulder Da max (in)2.088
Shaft shoulder db max (in)1.379

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 2,000 rpm
410,498102847
66,9993923,271
85,2491,0248,533
104,1992,15417,954
152,7998,32369,362

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 41,991 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.129 (dimensions) / p.130 (ratings)

Dimensions in inches and millimetres, load ratings in lbs.

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
1305-K-TVH-C3FAGBall25621718.3 kN0.254
1305-TVHFAGBall25621718.3 kN0.258
6305FAGBall25621722.4 kN0.234
6305-2RSRFAGBall25621722.4 kN0.242
6305-2ZFAGBall25621722.4 kN0.24
6305-CFAGBall25621724.7 kN0.215
6305-C-2BRSFAGBall25621724.7 kN0.242
6305-C-2HRSFAGBall25621724.7 kN0.224
6305-C-2ZFAGBall25621724.7 kN0.222
QJ305-TVPFAGBall25621744 kN0.256

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
1305NSKBall2562174,050 lbs0.277
6305NSKBall2562174,630 lbs0.236
7305BNSKBall2562175,160 lbs0.245
BL305NSKBall2562175,720 lbs0.245
305NSKCylindrical Roller2562176,560 lbs0.24
NU305ENSKCylindrical Roller25621751 kN0.269
21305CDE4NSKSpherical Roller25621743 kN0.26
HR30305NSKTapered Roller25621758.5 kN0.27

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
07097/07196NSKTapered Roller2550.0114.2610,000 lbs0.127
07097/07204NSKTapered Roller2551.9914.2610,000 lbs0.154
HR30205NSKTapered Roller25521539.5 kN0.157
HR30205CNSKTapered Roller2552156,320 lbs0.15
HR30205JNSKTapered Roller2552157,190 lbs0.159
HR30305NSKTapered Roller25621758.5 kN0.27
HR30305JNSKTapered Roller25621710,700 lbs0.268
HR31305JNSKTapered Roller2562178,540 lbs0.263

Request a quotation for HR30305C

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