Original catalogue drawing - NSK catalogue, page 61
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
Cylindrical roller entries from the NSK inch catalogue are series numbers covering the N / NU / NJ / NUP / NH prefixes of the same size. 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)
142000
Basic static load rating Cor (lbs)
211000
Limiting speed - grease (rpm)
1,900
Limiting speed - oil (rpm)
2,400
Weight
Weight (kg)
28.576
Mounting dimensions (fillets / shoulders)
Fillet ra max (in)
0.098
Fillet rb max (in)
0.098
Shaft shoulder da min (in)
6.811
Housing shoulder Da max (in)
10.906
Shaft shoulder db min (in)
6.811
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 600 rpm
4
157,912
102
2,822
6
105,275
392
10,903
8
78,956
1,024
28,444
10
63,165
2,154
59,845
15
42,110
8,323
231,207
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 631,647 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.63 (dimensions) / p.64 (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.
