32264 is a NSK tapered roller bearing, bore 320 mm, O.D. 580 mm, width 150 mm, dynamic rating 643,000 lbs. Dimensions, drawing, interchanges and price.
Original catalogue drawing - NSK catalogue, page 113
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
320
12.5984
D
Outside diameter
580
22.8346
B
Inner-ring / bearing width
150
5.9055
T
Overall assembly width
159
6.2598
C
Cup / outer-ring width
125
4.9213
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)
320
Bore d (in)
12.5984
Outside dia. D (mm)
580
Outside dia. D (in)
22.8346
Width B (mm)
150
Width B (in)
5.9055
Overall width T (mm)
159
Overall width T (in)
6.2598
Cup width C (mm)
125
Cup width C (in)
4.9213
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
643000
Basic static load rating Cor (lbs)
1140000
Limiting speed - grease (rpm)
540
Limiting speed - oil (rpm)
730
Weight
Weight (kg)
174.542
Mounting dimensions (fillets / shoulders)
Chamfer r (in)
4.00
Shaft shoulder da min (in)
13.898
Housing shoulder Da max (in)
21.732
Shaft shoulder db max (in)
15.079
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 100 rpm
4
715,052
102
16,932
6
476,701
392
65,416
8
357,526
1,024
170,667
10
286,021
2,154
359,072
15
190,680
8,323
1,387,244
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 2,860,206 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.115 (dimensions) / p.116 (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.
