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
90
3.5433
D
Outside diameter
190
7.4803
B
Inner-ring / bearing width
64
2.5197
T
Overall assembly width
67.5
2.6575
C
Cup / outer-ring width
53
2.0866
r
Chamfer (min)
3
0.1181
Notes
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)
90
Outside dia. D (mm)
190
Width B (mm)
64
Overall width T (mm)
67.5
Cup width C (mm)
53
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
124769
Basic static load rating Cor (lbs)
132637
Basic dynamic load rating Cr (N)
555000
Basic static load rating C0r (N)
590000
Limiting speed - grease (rpm)
2,000
Effective load centre a (mm)
4
Weight
Weight (kg)
8.6
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 600 rpm
4
138,750
102
2,822
6
92,500
392
10,903
8
69,375
1,024
28,444
10
55,500
2,154
59,845
15
37,000
8,323
231,207
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 555,000 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.266 (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.
