32344 is a NSK tapered roller bearing, bore 220 mm, O.D. 460 mm, width 145 mm, dynamic rating 454,000 lbs. Dimensions, drawing, interchanges and price.
Original catalogue drawing - NSK catalogue, page 115
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
220
8.6614
D
Outside diameter
460
18.1102
B
Inner-ring / bearing width
145
5.7087
T
Overall assembly width
154
6.063
C
Cup / outer-ring width
122
4.8031
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)
220
Bore d (in)
8.6614
Outside dia. D (mm)
460
Outside dia. D (in)
18.1102
Width B (mm)
145
Width B (in)
5.7087
Overall width T (mm)
154
Overall width T (in)
6.0630
Cup width C (mm)
122
Cup width C (in)
4.8031
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
454000
Basic static load rating Cor (lbs)
719000
Limiting speed - grease (rpm)
750
Limiting speed - oil (rpm)
1,000
Weight
Weight (kg)
114.02
Mounting dimensions (fillets / shoulders)
Chamfer r (in)
0.16
Shaft shoulder da min (in)
10.197
Housing shoulder Da max (in)
17.244
Shaft shoulder db max (in)
10.787
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 200 rpm
4
504,873
102
8,466
6
336,582
392
32,708
8
252,437
1,024
85,333
10
201,949
2,154
179,536
15
134,633
8,323
693,622
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 2,019,493 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.117 (dimensions) / p.118 (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.
