Original catalogue drawing - NSK catalogue, page 73
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
160
6.2992
D
Outside diameter
290
11.4173
B
Inner-ring / bearing width
80
3.1496
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)
160
Bore d (in)
6.2992
Outside dia. D (mm)
290
Outside dia. D (in)
11.4173
Width B (mm)
80
Width B (in)
3.1496
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
205000
Basic static load rating Cor (lbs)
297000
Limiting speed - grease (rpm)
1,200
Limiting speed - oil (rpm)
1,500
Weight
Weight (kg)
22.934
Mounting dimensions (fillets / shoulders)
Chamfer r (in)
0.098
Shaft shoulder da min (in)
6.85
Shaft shoulder da max (in)
7.51
Housing shoulder Da min (in)
10.02
Housing shoulder Da max (in)
10.87
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 400 rpm
4
227,971
102
4,233
6
151,981
392
16,354
8
113,986
1,024
42,667
10
91,189
2,154
89,768
15
60,792
8,323
346,811
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 911,885 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.75 (dimensions) / p.76 (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.
