30352 is a NSK tapered roller bearing, bore 260 mm, O.D. 540 mm, width 102 mm, dynamic rating 420,000 lbs. Dimensions, drawing, interchanges and price.
Original catalogue drawing - NSK catalogue, page 107
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
540
21.2598
B
Inner-ring / bearing width
102
4.0157
T
Overall assembly width
113
4.4488
C
Cup / outer-ring width
85
3.3465
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)
260
Bore d (in)
10.2362
Outside dia. D (mm)
540
Outside dia. D (in)
21.2598
Width B (mm)
102
Width B (in)
4.0157
Overall width T (mm)
113
Overall width T (in)
4.4488
Cup width C (mm)
85
Cup width C (in)
3.3465
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
420000
Basic static load rating Cor (lbs)
593000
Limiting speed - grease (rpm)
620
Limiting speed - oil (rpm)
840
Weight
Weight (kg)
114.296
Mounting dimensions (fillets / shoulders)
Chamfer r (in)
0.16
Shaft shoulder da min (in)
11.299
Housing shoulder Da max (in)
20.394
Shaft shoulder db max (in)
13.228
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 200 rpm
4
467,063
102
8,466
6
311,376
392
32,708
8
233,532
1,024
85,333
10
186,825
2,154
179,536
15
124,550
8,323
693,622
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 1,868,253 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.109 (dimensions) / p.110 (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.
