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
160
6.2992
D
Outside diameter
240
9.4488
B
Inner-ring / bearing width
60
2.3622
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)
60
Width B (in)
2.3622
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
84000
Basic static load rating Cor (lbs)
149000
Limiting speed - grease (rpm)
3,600
Limiting speed - oil (rpm)
4,000
Weight
Weight (kg)
9.321
Mounting dimensions (fillets / shoulders)
Fillet ra (in)
0.0787
Shaft shoulder da min (in)
9.0157
Shaft shoulder da (in)
6.7323
Housing shoulder Db (in)
8.7402
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 1,200 rpm
4
93,413
64
889
6
62,275
216
3,000
8
46,706
512
7,111
10
37,365
1,000
13,889
15
24,910
3,375
46,875
Basic rating life per ISO 281: L10 = (C/P)3 with C = 373,651 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.
