Original catalogue drawing - NSK catalogue, page 57
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
80
3.1496
D
Outside diameter
200
7.874
B
Inner-ring / bearing width
48
1.8898
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)
80
Bore d (in)
3.1496
Outside dia. D (mm)
200
Outside dia. D (in)
7.8740
Width B (mm)
48
Width B (in)
1.8898
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
67100
Basic static load rating Cor (lbs)
70400
Limiting speed - grease (rpm)
3,200
Limiting speed - oil (rpm)
3,800
Weight
Weight (kg)
7.257
Mounting dimensions (fillets / shoulders)
Fillet ra max (in)
0.098
Fillet rb max (in)
0.098
Shaft shoulder da min (in)
3.661
Housing shoulder Da max (in)
7.362
Shaft shoulder db min (in)
3.661
Shaft shoulder db max (in)
4.213
Housing shoulder Db min (in)
6.811
Housing shoulder Db max (in)
7.362
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 1,000 rpm
4
74,619
102
1,693
6
49,746
392
6,542
8
37,309
1,024
17,067
10
29,848
2,154
35,907
15
19,898
8,323
138,724
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 298,476 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.59 (dimensions) / p.60 (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.
