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
440
17.3228
D
Outside diameter
780
30.7087
C
Cup / outer-ring width
100
3.937
H
Height
206
8.1102
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)
440
Bore d (in)
17.3228
Outside dia. D (mm)
780
Outside dia. D (in)
30.7087
Cup width C (in)
3.937
Height H (mm)
206
Height H (in)
8.1102
Bore d1 (in)
29.331
Outside dia. D1 (in)
23.150
Load ratings & speeds
Basic dynamic axial rating Ca (lbs)
1470000
Basic static axial rating Coa (lbs)
6110000
Limiting speed - oil (rpm)
400
Weight
Weight (kg)
408.233
Mounting dimensions (fillets / shoulders)
Chamfer r (in)
0.315
Shaft shoulder da min (in)
26.378
Housing shoulder Da (in)
23.425
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 100 rpm
4
1,634,721
102
16,932
6
1,089,814
392
65,416
8
817,361
1,024
170,667
10
653,889
2,154
359,072
15
435,926
8,323
1,387,244
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 6,538,886 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.
