HR30220J is a NSK tapered roller bearing, bore 100 mm, O.D. 180 mm, width 34 mm, dynamic rating 57,300 lbs. Dimensions, drawing, interchanges and price.
Original catalogue drawing - NSK catalogue, page 105
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
100
3.937
D
Outside diameter
180
7.0866
B
Inner-ring / bearing width
34
1.3386
T
Overall assembly width
37
1.4567
C
Cup / outer-ring width
29
1.1417
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)
100
Bore d (in)
3.9370
Outside dia. D (mm)
180
Outside dia. D (in)
7.0866
Width B (mm)
34
Width B (in)
1.3386
Overall width T (mm)
37
Overall width T (in)
1.4567
Cup width C (mm)
29
Cup width C (in)
1.1417
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
57300
Basic static load rating Cor (lbs)
74200
Limiting speed - grease (rpm)
2,000
Limiting speed - oil (rpm)
2,600
Weight
Weight (kg)
3.778
Mounting dimensions (fillets / shoulders)
Chamfer r (in)
0.08
Shaft shoulder da min (in)
4.646
Housing shoulder Da max (in)
6.614
Shaft shoulder db max (in)
4.567
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 600 rpm
4
63,721
102
2,822
6
42,481
392
10,903
8
31,860
1,024
28,444
10
25,488
2,154
59,845
15
16,992
8,323
231,207
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 254,883 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.107 (dimensions) / p.108 (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.
