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
170
6.6929
D
Outside diameter
280
11.0236
T
Overall assembly width
87
3.4252
r
Chamfer (min)
3
0.1181
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)
170
Outside dia. D (mm)
280
Overall width T (mm)
87
Load ratings & speeds
Basic dynamic axial rating Ca (lbs)
104536
Basic static axial rating Coa (lbs)
352950
Basic dynamic axial rating Ca (N)
465000
Basic static axial rating C0a (N)
1570000
Limiting speed - grease (rpm)
600
Limiting speed - oil (rpm)
900
Weight
Weight (kg)
23.2
Mounting dimensions (fillets / shoulders)
Housing fillet r max (mm)
3
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 200 rpm
4
116,250
102
8,466
6
77,500
392
32,708
8
58,125
1,024
85,333
10
46,500
2,154
179,536
15
31,000
8,323
693,622
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 465,000 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 CAT. No. E1103 (metric)
Catalogue page
p.317 (dimensions)
Load ratings in newtons, weights in kg, limiting speeds for grease and oil lubrication.
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.
