Original catalogue drawing - NSK catalogue, page 151
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
260
10.2362
D
Outside diameter
480
18.8976
T
Overall assembly width
132
5.1969
C
Cup / outer-ring width
64.008
2.52
Notes
Thrust bearing ratings are axial values Ca / Coa; T is the overall height. 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)
260
Bore d (in)
10.2362
Outside dia. D (mm)
480
Outside dia. D (in)
18.8976
Overall width T (mm)
132
Overall width T (in)
5.1969
Cup width C (in)
2.520
Bore d1 (in)
17.520
Outside dia. D1 (in)
14.055
Load ratings & speeds
Basic dynamic axial rating Ca (lbs)
634000
Basic static axial rating Coa (lbs)
2410000
Limiting speed - oil (rpm)
710
Weight
Weight (kg)
104.78
Mounting dimensions (fillets / shoulders)
Chamfer r (in)
0.197
Shaft shoulder da min (in)
15.945
Housing shoulder Da (in)
14.173
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 200 rpm
4
705,043
102
8,466
6
470,029
392
32,708
8
352,522
1,024
85,333
10
282,017
2,154
179,536
15
188,012
8,323
693,622
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 2,820,173 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.153 (dimensions) / p.154 (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.