SIFT BEARING STORE CATALOG

7408BNSKBall

7408B is a NSK ball bearing, bore 40 mm, O.D. 110 mm, width 27 mm, dynamic rating 14,600 lbs. Dimensions, drawing, interchanges and price.

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Bore d40mm
Outside dia. D110mm
Width B27mm
Dynamic Cr14,600lbs
Static C0r9,000lbs
Limiting speed5,300rpm
Weight1.406kg
Cr / C0r1.62
Mean dia. dm75mm

Original catalogue drawing - NSK catalogue, page 41

7408B NSK Ball 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. D110 mmBore d40 mmWidth B27 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 diameter401.5748
DOutside diameter1104.3307
BInner-ring / bearing width271.063
rChamfer (min)2.0070.079

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)40
Bore d (in)1.5748
Outside dia. D (mm)110
Outside dia. D (in)4.3307
Width B (mm)27
Width B (in)1.0630

Load ratings & speeds

Basic dynamic load rating Cr (lbs)14600
Basic static load rating Cor (lbs)9000
Limiting speed - grease (rpm)5,300
Limiting speed - oil (rpm)7,300

Weight

Weight (kg)1.406

Mounting dimensions (fillets / shoulders)

Chamfer r (in)0.079
Shaft shoulder da min (in)1.969
Housing shoulder Da max (in)3.937

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 1,700 rpm
416,23664627
610,8242162,118
88,1185125,020
106,4941,0009,804
154,3303,37533,088

Basic rating life per ISO 281: L10 = (C/P)3 with C = 64,944 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.43 (dimensions) / p.44 (ratings)

Dimensions in inches and millimetres, load ratings in lbs.

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
6408FAGBall401102768 kN1.23
NJ408-XL-M1FAGCylindrical Roller4011027119 kN1.5
NU408-XL-M1FAGCylindrical Roller4011027119 kN1.47
7408-B-XL-MPFAGPrecision / Angular Contact401102775 kN1.338

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
408NSKCylindrical Roller401102721,500 lbs1.267

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
1208NSKBall4080184,340 lbs0.417
1308NSKBall4090236,520 lbs0.744
16008NSKBall4068913.9 kN0.13
2208NSKBall4080237,080 lbs0.49
2308NSKBall40903310,100 lbs0.998
3208JNSKBall408030.29,290 lbs0.653
3308JNSKBall409036.513,100 lbs1.066
5208JNSKBall408030.29,930 lbs0.572

Request a quotation for 7408B

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.