HR32921J is a NSK tapered roller bearing, bore 105 mm, O.D. 145 mm, width 25 mm, dynamic rating 26,800 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
105
4.1339
D
Outside diameter
145
5.7087
B
Inner-ring / bearing width
25
0.9843
T
Overall assembly width
25
0.9843
C
Cup / outer-ring width
20
0.7874
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)
105
Bore d (in)
4.1339
Outside dia. D (mm)
145
Outside dia. D (in)
5.7087
Width B (mm)
25.0000
Width B (in)
0.9843
Overall width T (mm)
25
Overall width T (in)
0.9843
Cup width C (mm)
20
Cup width C (in)
0.7874
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
26800
Basic static load rating Cor (lbs)
47700
Limiting speed - grease (rpm)
2,400
Limiting speed - oil (rpm)
3,400
Weight
Weight (kg)
1.229
Mounting dimensions (fillets / shoulders)
Chamfer r (in)
0.06
Shaft shoulder da min (in)
4.606
Housing shoulder Da max (in)
5.394
Shaft shoulder db max (in)
0.181
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 800 rpm
4
29,803
102
2,117
6
19,869
392
8,177
8
14,902
1,024
21,333
10
11,921
2,154
44,884
15
7,947
8,323
173,406
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 119,212 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.
