Original catalogue drawing - NSK catalogue, page 153
Scanned from the manufacturer catalogue page listing this part number. All part numbers printed on that table share the same drawing.
Scale cross-section
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)
Symbol
Dimension
mm
inch
d
Bore diameter
420
16.5354
D
Outside diameter
730
28.7402
C
Cup / outer-ring width
89.002
3.504
H
Height
185
7.2835
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)
420
Bore d (in)
16.5354
Outside dia. D (mm)
730
Outside dia. D (in)
28.7402
Cup width C (in)
3.504
Height H (mm)
185
Height H (in)
7.2835
Bore d1 (in)
27.559
Outside dia. D1 (in)
21.890
Load ratings & speeds
Basic dynamic axial rating Ca (lbs)
1270000
Basic static axial rating Coa (lbs)
5280000
Limiting speed - oil (rpm)
430
Weight
Weight (kg)
322.051
Mounting dimensions (fillets / shoulders)
Chamfer r (in)
0.236
Shaft shoulder da min (in)
24.803
Housing shoulder Da (in)
22.047
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 100 rpm
4
1,412,310
102
16,932
6
941,540
392
65,416
8
706,155
1,024
170,667
10
564,924
2,154
359,072
15
376,616
8,323
1,387,244
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 5,649,241 N. Hours = L10 x 106 / (60n). Life-modification factors for lubrication, contamination and temperature (aISO) are not included.
Source & traceability
Brand
NSK
Source catalogue
NSK inch product catalogue
Catalogue page
p.155 (dimensions) / p.156 (ratings)
Dimensions in inches and millimetres, load ratings in lbs.
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.
