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
340
13.3858
D
Outside diameter
620
24.4094
T
Overall assembly width
170
6.6929
C
Cup / outer-ring width
81.991
3.228
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)
340
Bore d (in)
13.3858
Outside dia. D (mm)
620
Outside dia. D (in)
24.4094
Overall width T (mm)
170
Overall width T (in)
6.6929
Cup width C (in)
3.228
Bore d1 (in)
23.228
Outside dia. D1 (in)
18.189
Load ratings & speeds
Basic dynamic axial rating Ca (lbs)
989000
Basic static axial rating Coa (lbs)
3910000
Limiting speed - oil (rpm)
530
Weight
Weight (kg)
217.724
Mounting dimensions (fillets / shoulders)
Chamfer r (in)
0.236
Shaft shoulder da min (in)
20.866
Housing shoulder Da (in)
18.307
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 100 rpm
4
1,099,823
102
16,932
6
733,215
392
65,416
8
549,911
1,024
170,667
10
439,929
2,154
359,072
15
293,286
8,323
1,387,244
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 4,399,291 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.
