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
220
8.6614
D
Outside diameter
420
16.5354
T
Overall assembly width
122
4.8031
C
Cup / outer-ring width
57.988
2.283
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)
220
Bore d (in)
8.6614
Outside dia. D (mm)
420
Outside dia. D (in)
16.5354
Overall width T (mm)
122
Overall width T (in)
4.8031
Cup width C (in)
2.283
Bore d1 (in)
15.157
Outside dia. D1 (in)
12.126
Load ratings & speeds
Basic dynamic axial rating Ca (lbs)
530000
Basic static axial rating Coa (lbs)
1940000
Limiting speed - oil (rpm)
800
Weight
Weight (kg)
73.936
Mounting dimensions (fillets / shoulders)
Chamfer r (in)
0.197
Shaft shoulder da min (in)
13.976
Housing shoulder Da (in)
12.205
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 200 rpm
4
589,389
102
8,466
6
392,926
392
32,708
8
294,695
1,024
85,333
10
235,756
2,154
179,536
15
157,170
8,323
693,622
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 2,357,557 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.
