32260 is a NSK tapered roller bearing, bore 300 mm, O.D. 540 mm, width 140 mm, dynamic rating 499,000 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
300
11.811
D
Outside diameter
540
21.2598
B
Inner-ring / bearing width
140
5.5118
T
Overall assembly width
149
5.8661
C
Cup / outer-ring width
115
4.5276
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)
300
Bore d (in)
11.8110
Outside dia. D (mm)
540
Outside dia. D (in)
21.2598
Width B (mm)
140
Width B (in)
5.5118
Overall width T (mm)
149
Overall width T (in)
5.8661
Cup width C (mm)
115
Cup width C (in)
4.5276
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
499000
Basic static load rating Cor (lbs)
832000
Limiting speed - grease (rpm)
580
Limiting speed - oil (rpm)
790
Weight
Weight (kg)
131.818
Mounting dimensions (fillets / shoulders)
Chamfer r (in)
4.00
Shaft shoulder da min (in)
13.110
Housing shoulder Da max (in)
20.157
Shaft shoulder db max (in)
13.858
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 100 rpm
4
554,916
102
16,932
6
369,944
392
65,416
8
277,458
1,024
170,667
10
221,966
2,154
359,072
15
147,978
8,323
1,387,244
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 2,219,663 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.
