SIFT BEARING STORE CATALOG

52420NSKThrust

52420 is a NSK thrust bearing, bore 100 mm, O.D. 210 mm, dynamic rating 370 kN, limiting speed 670 rpm. Dimensions, drawing, interchanges and price.

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Bore d100mm
Outside dia. D210mm
Dynamic Cr370kN
Static C0r985kN
Limiting speed670rpm
Weight27.2kg
Cr / C0r0.38
Mean dia. dm155mm

Original catalogue drawing - NSK E1103, page 320

52420 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

DdBOutside dia. D210 mmBore d100 mmWidth B55 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 diameter1003.937
DOutside diameter2108.2677
rChamfer (min)30.1181

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)100
Outside dia. D (mm)210

Load ratings & speeds

Basic dynamic axial rating Ca (lbs)83179
Basic static axial rating Coa (lbs)221437
Basic dynamic axial rating Ca (N)370000
Basic static axial rating C0a (N)985000
Limiting speed - grease (rpm)670
Limiting speed - oil (rpm)1,000

Weight

Weight (kg)27.2

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)3
Chamfer r1 min (mm)1.1

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 200 rpm
492,5001028,466
661,66739232,708
846,2501,02485,333
1037,0002,154179,536
1524,6678,323693,622

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 370,000 N. Hours = L10 x 106 / (60n). Life-modification factors for lubrication, contamination and temperature (aISO) are not included.

Source & traceability

BrandNSK
Source catalogueNSK CAT. No. E1103 (metric)
Catalogue pagep.320 (dimensions)

Load ratings in newtons, weights in kg, limiting speeds for grease and oil lubrication.

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
29320NSKThrust10017042410 kN3.6
29320ENSKThrust1001704292,000 lbs3.606
29420NSKThrust10021067840 kN10.3
29420ENSKThrust10021067189,000 lbs10.297
51120NSKThrust1001352519,300 lbs0.962
51220NSKThrust1001503830,200 lbs2.25
51320NSKThrust1001705553,600 lbs4.98
51420XNSKThrust1002108583,800 lbs14.801

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