HR32918J is a NSK tapered roller bearing, bore 90 mm, O.D. 125 mm, width 23 mm, dynamic rating 21,800 lbs. Dimensions, drawing, interchanges and price.
Original catalogue drawing - NSK catalogue, page 117
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
90
3.5433
D
Outside diameter
125
4.9213
B
Inner-ring / bearing width
23
0.9055
T
Overall assembly width
23
0.9055
C
Cup / outer-ring width
18
0.7087
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)
90
Bore d (in)
3.5433
Outside dia. D (mm)
125
Outside dia. D (in)
4.9213
Width B (mm)
23.0000
Width B (in)
0.9055
Overall width T (mm)
23
Overall width T (in)
0.9055
Cup width C (mm)
18
Cup width C (in)
0.7087
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
21800
Basic static load rating Cor (lbs)
37500
Limiting speed - grease (rpm)
3,000
Limiting speed - oil (rpm)
4,000
Weight
Weight (kg)
0.839
Mounting dimensions (fillets / shoulders)
Chamfer r (in)
0.06
Shaft shoulder da min (in)
3.976
Housing shoulder Da max (in)
4.567
Shaft shoulder db max (in)
0.157
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 1,000 rpm
4
24,243
102
1,693
6
16,162
392
6,542
8
12,121
1,024
17,067
10
9,697
2,154
35,907
15
6,465
8,323
138,724
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 96,971 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.119 (dimensions) / p.120 (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.
