Original catalogue drawing - NSK catalogue, page 191
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
190
7.4803
D
Outside diameter
290
11.4173
B
Inner-ring / bearing width
46
1.811
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)
190
Bore d (in)
7.4803
Outside dia. D (mm)
290
Outside dia. D (in)
11.4173
Width B (mm)
46
Width B (in)
1.8110
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
55300
Basic static load rating Cor (lbs)
69400
Limiting speed - grease (rpm)
4,800
Limiting speed - oil (rpm)
7,300
Weight
Weight (kg)
11.104
Mounting dimensions (fillets / shoulders)
Fillet ra (in)
0.079
Fillet rb (in)
0.039
Shaft shoulder da (in)
7.953
Housing shoulder Da (in)
10.945
Housing shoulder Db (in)
11.142
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 1,600 rpm
4
61,497
64
667
6
40,998
216
2,250
8
30,748
512
5,333
10
24,599
1,000
10,417
15
16,399
3,375
35,156
Basic rating life per ISO 281: L10 = (C/P)3 with C = 245,987 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.193 (dimensions) / p.194 (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.
