HR323/32C is a NSK tapered roller bearing, bore 32 mm, O.D. 75 mm, width 28 mm, dynamic rating 19,000 lbs. Dimensions, drawing, interchanges and price.
Original catalogue drawing - NSK catalogue, page 131
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
32
1.2598
D
Outside diameter
75
2.9528
B
Inner-ring / bearing width
28
1.1024
T
Overall assembly width
29.75
1.1713
C
Cup / outer-ring width
22
0.8661
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)
32
Bore d (in)
1.2598
Outside dia. D (mm)
75
Outside dia. D (in)
2.9528
Width B (mm)
28
Width B (in)
1.1024
Overall width T (mm)
29.75
Overall width T (in)
1.1713
Cup width C (mm)
22
Cup width C (in)
0.8661
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
19000
Basic static load rating Cor (lbs)
21400
Limiting speed - grease (rpm)
5,000
Limiting speed - oil (rpm)
7,100
Weight
Weight (kg)
0.621
Mounting dimensions (fillets / shoulders)
Chamfer r (in)
0.059
Shaft shoulder da min (in)
1.773
Housing shoulder Da max (in)
2.600
Shaft shoulder db max (in)
1.615
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 1,600 rpm
4
21,129
102
1,058
6
14,086
392
4,089
8
10,565
1,024
10,667
10
8,452
2,154
22,442
15
5,634
8,323
86,703
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 84,516 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.133 (dimensions) / p.134 (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.
