Original catalogue drawing - NSK catalogue, page 15
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
240
9.4488
B
Inner-ring / bearing width
38
1.4961
r
Chamfer (min)
2.007
0.079
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)
240
Outside dia. D (in)
9.4488
Width B (mm)
38
Width B (in)
1.4961
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
30600
Basic static load rating Cor (lbs)
30400
Limiting speed - grease (rpm)
2,400
Limiting speed - oil (rpm)
2,800
Factor f0
15.9
Weight
Weight (kg)
5.897
Mounting dimensions (fillets / shoulders)
Chamfer r (in)
0.079
Shaft shoulder da min (in)
6.732
Shaft shoulder da max (in)
7.131
Housing shoulder Da max (in)
9.016
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 800 rpm
4
34,029
64
1,333
6
22,686
216
4,500
8
17,014
512
10,667
10
13,612
1,000
20,833
15
9,074
3,375
70,312
Basic rating life per ISO 281: L10 = (C/P)3 with C = 136,116 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.17 (dimensions) / p.18 (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.