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
90
3.5433
D
Outside diameter
225
8.8583
B
Inner-ring / bearing width
54
2.126
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)
90
Bore d (in)
3.5433
Outside dia. D (mm)
225
Outside dia. D (in)
8.8583
Width B (mm)
54
Width B (in)
2.1260
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
83600
Basic static load rating Cor (lbs)
90200
Limiting speed - grease (rpm)
2,800
Limiting speed - oil (rpm)
3,400
Weight
Weight (kg)
11.34
Mounting dimensions (fillets / shoulders)
Fillet ra max (in)
0.118
Fillet rb max (in)
0.118
Shaft shoulder da min (in)
4.173
Housing shoulder Da max (in)
8.228
Shaft shoulder db min (in)
4.173
Shaft shoulder db max (in)
4.724
Housing shoulder Db min (in)
7.717
Housing shoulder Db max (in)
8.228
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 900 rpm
4
92,968
102
1,881
6
61,979
392
7,268
8
46,484
1,024
18,963
10
37,187
2,154
39,897
15
24,791
8,323
154,138
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 371,871 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.
