Original catalogue drawing - NSK catalogue, page 153
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
380
14.9606
D
Outside diameter
520
20.4724
C
Cup / outer-ring width
42.012
1.654
H
Height
85
3.3465
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)
380
Bore d (in)
14.9606
Outside dia. D (mm)
520
Outside dia. D (in)
20.4724
Cup width C (in)
1.654
Height H (mm)
85
Height H (in)
3.3465
Bore d1 (in)
19.528
Outside dia. D1 (in)
17.362
Load ratings & speeds
Basic dynamic axial rating Ca (lbs)
364000
Basic static axial rating Coa (lbs)
1750000
Limiting speed - oil (rpm)
750
Weight
Weight (kg)
52.163
Mounting dimensions (fillets / shoulders)
Chamfer r (in)
0.118
Shaft shoulder da min (in)
18.701
Housing shoulder Da (in)
17.323
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 200 rpm
4
404,788
102
8,466
6
269,859
392
32,708
8
202,394
1,024
85,333
10
161,915
2,154
179,536
15
107,944
8,323
693,622
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 1,619,153 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.155 (dimensions) / p.156 (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.
