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
500
19.685
D
Outside diameter
670
26.378
C
Cup / outer-ring width
54.991
2.165
H
Height
103
4.0551
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)
500
Bore d (in)
19.6850
Outside dia. D (mm)
670
Outside dia. D (in)
26.3780
Cup width C (in)
2.165
Height H (mm)
103
Height H (in)
4.0551
Bore d1 (in)
25.394
Outside dia. D1 (in)
22.598
Load ratings & speeds
Basic dynamic axial rating Ca (lbs)
537000
Basic static axial rating Coa (lbs)
2790000
Limiting speed - oil (rpm)
600
Weight
Weight (kg)
99.79
Mounting dimensions (fillets / shoulders)
Chamfer r (in)
0.157
Shaft shoulder da min (in)
24.213
Housing shoulder Da (in)
22.638
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 200 rpm
4
597,174
102
8,466
6
398,116
392
32,708
8
298,587
1,024
85,333
10
238,870
2,154
179,536
15
159,246
8,323
693,622
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 2,388,695 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.
