Original catalogue drawing - NSK catalogue, page 105
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
160
6.2992
D
Outside diameter
290
11.4173
B
Inner-ring / bearing width
48
1.8898
T
Overall assembly width
52
2.0472
C
Cup / outer-ring width
40
1.5748
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)
160
Bore d (in)
6.2992
Outside dia. D (mm)
290
Outside dia. D (in)
11.4173
Width B (mm)
48
Width B (in)
1.8898
Overall width T (mm)
52
Overall width T (in)
2.0472
Cup width C (mm)
40
Cup width C (in)
1.5748
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
106000
Basic static load rating Cor (lbs)
137000
Limiting speed - grease (rpm)
1,200
Limiting speed - oil (rpm)
1,600
Weight
Weight (kg)
13.104
Mounting dimensions (fillets / shoulders)
Chamfer r (in)
0.10
Shaft shoulder da min (in)
7.126
Housing shoulder Da max (in)
10.866
Shaft shoulder db max (in)
7.559
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 400 rpm
4
117,878
102
4,233
6
78,585
392
16,354
8
58,939
1,024
42,667
10
47,151
2,154
89,768
15
31,434
8,323
346,811
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 471,511 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.107 (dimensions) / p.108 (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.
