Original catalogue drawing - NSK catalogue, page 151
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
240
9.4488
D
Outside diameter
440
17.3228
T
Overall assembly width
122
4.8031
C
Cup / outer-ring width
59.004
2.323
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)
240
Bore d (in)
9.4488
Outside dia. D (mm)
440
Outside dia. D (in)
17.3228
Overall width T (mm)
122
Overall width T (in)
4.8031
Cup width C (in)
2.323
Bore d1 (in)
15.945
Outside dia. D1 (in)
12.835
Load ratings & speeds
Basic dynamic axial rating Ca (lbs)
545000
Basic static axial rating Coa (lbs)
2050000
Limiting speed - oil (rpm)
750
Weight
Weight (kg)
78.925
Mounting dimensions (fillets / shoulders)
Chamfer r (in)
0.197
Shaft shoulder da min (in)
14.764
Housing shoulder Da (in)
12.992
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 200 rpm
4
606,070
102
8,466
6
404,047
392
32,708
8
303,035
1,024
85,333
10
242,428
2,154
179,536
15
161,619
8,323
693,622
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 2,424,281 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.153 (dimensions) / p.154 (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.
