SIFT BEARING STORE CATALOG

51124NSKThrust

51124 is a NSK thrust bearing, bore 120 mm, O.D. 155 mm, height 25 mm, dynamic rating 20,200 lbs. Dimensions, drawing, interchanges and price.

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Bore d120mm
Outside dia. D155mm
Overall width T25mm
Dynamic Cr20,200lbs
Static C0r69,400lbs
Limiting speed1,600rpm
Weight1.12kg
Cr / C0r0.29
Mean dia. dm137.5mm

Original catalogue drawing - NSK catalogue, page 147

51124 NSK Thrust 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

DdTOutside dia. D155 mmBore d120 mmOverall width T25 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 diameter1204.7244
DOutside diameter1556.1024
TOverall assembly width250.9843

Notes

Thrust bearing ratings are axial values Ca / Coa; T is the overall height. 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)120
Bore d (in)4.7244
Outside dia. D (mm)155
Outside dia. D (in)6.1024
Overall width T (mm)25
Overall width T (in)0.9843

Load ratings & speeds

Basic dynamic axial rating Ca (lbs)20200
Basic static axial rating Coa (lbs)69400
Limiting speed - grease (rpm)1,600
Limiting speed - oil (rpm)2,400

Weight

Weight (kg)1.12

Mounting dimensions (fillets / shoulders)

Chamfer r (in)0.039
Shaft shoulder da min (in)5.555
Housing shoulder Da (in)5.280

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 500 rpm
422,4641023,386
614,97639213,083
811,2321,02434,133
108,9852,15471,814
155,9908,323277,449

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 89,854 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.149 (dimensions) / p.150 (ratings)

Dimensions in inches and millimetres, load ratings in lbs.

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
29324NSKThrust12021054645 kN-
29324ENSKThrust12021054144,000 lbs7.303
29424NSKThrust120250781160 kN16.6
29424ENSKThrust12025078262,000 lbs16.556
51224NSKThrust1201703931,700 lbs2.69
51324XNSKThrust1202107073,900 lbs9.702
51424XNSKThrust120250102108,000 lbs26.199
52224NSKThrust120170None141 kN5.4

Request a quotation for 51124

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