Original catalogue drawing - NSK catalogue, page 59
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
220
8.6614
D
Outside diameter
340
13.3858
B
Inner-ring / bearing width
56
2.2047
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)
220
Bore d (in)
8.6614
Outside dia. D (mm)
340
Outside dia. D (in)
13.3858
Width B (mm)
56
Width B (in)
2.2047
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
112000
Basic static load rating Cor (lbs)
168000
Limiting speed - grease (rpm)
1,800
Limiting speed - oil (rpm)
2,200
Weight
Weight (kg)
18.144
Mounting dimensions (fillets / shoulders)
Fillet ra max (in)
0.098
Fillet rb max (in)
0.098
Shaft shoulder da min (in)
9.173
Housing shoulder Da max (in)
12.874
Shaft shoulder db min (in)
9.173
Shaft shoulder db max (in)
9.724
Housing shoulder Db min (in)
12.323
Housing shoulder Db max (in)
12.874
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 600 rpm
4
124,550
102
2,822
6
83,033
392
10,903
8
62,275
1,024
28,444
10
49,820
2,154
59,845
15
33,213
8,323
231,207
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 498,201 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.61 (dimensions) / p.62 (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.
