Original catalogue drawing - NSK catalogue, page 221
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
75
2.9528
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)
75
Width B (in)
2.9528
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
133000
Basic static load rating Cor (lbs)
242000
Limiting speed - grease (rpm)
3,000
Limiting speed - oil (rpm)
3,400
Weight
Weight (kg)
17.663
Mounting dimensions (fillets / shoulders)
Fillet ra (in)
0.0787
Shaft shoulder da min (in)
10.9843
Shaft shoulder da (in)
7.9134
Housing shoulder Db (in)
10.5512
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 1,000 rpm
4
147,903
64
1,067
6
98,602
216
3,600
8
73,952
512
8,533
10
59,161
1,000
16,667
15
39,441
3,375
56,250
Basic rating life per ISO 281: L10 = (C/P)3 with C = 591,613 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.223 (dimensions) / p.224 (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.
