Original catalogue drawing - NSK catalogue, page 21
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
140
5.5118
D
Outside diameter
175
6.8898
B
Inner-ring / bearing width
18
0.7087
r
Chamfer (min)
0.991
0.039
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)
140
Bore d (in)
5.5118
Outside dia. D (mm)
175
Outside dia. D (in)
6.8898
Width B (mm)
18
Width B (in)
0.7087
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
8580
Basic static load rating Cor (lbs)
10700
Limiting speed - grease (rpm)
3,400
Limiting speed - oil (rpm)
4,000
Factor f0
17.3
Weight
Weight (kg)
0.812
Mounting dimensions (fillets / shoulders)
Chamfer r (in)
0.039
Shaft shoulder da min (in)
5.768
Shaft shoulder da max (in)
-
Housing shoulder Da max (in)
6.634
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 1,100 rpm
4
9,541
64
970
6
6,361
216
3,273
8
4,771
512
7,758
10
3,817
1,000
15,152
15
2,544
3,375
51,136
Basic rating life per ISO 281: L10 = (C/P)3 with C = 38,166 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.23 (dimensions) / p.24 (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.
