HR30212J is a NSK tapered roller bearing, bore 60 mm, O.D. 110 mm, width 22 mm, dynamic rating 23,400 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
60
2.3622
D
Outside diameter
110
4.3307
B
Inner-ring / bearing width
22
0.8661
T
Overall assembly width
23.75
0.935
C
Cup / outer-ring width
19
0.748
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)
60
Bore d (in)
2.3622
Outside dia. D (mm)
110
Outside dia. D (in)
4.3307
Width B (mm)
22
Width B (in)
0.8661
Overall width T (mm)
23.75
Overall width T (in)
0.9350
Cup width C (mm)
19
Cup width C (in)
0.7480
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
23400
Basic static load rating Cor (lbs)
27700
Limiting speed - grease (rpm)
3,400
Limiting speed - oil (rpm)
4,500
Weight
Weight (kg)
0.93
Mounting dimensions (fillets / shoulders)
Chamfer r (in)
0.06
Shaft shoulder da min (in)
2.835
Housing shoulder Da max (in)
3.976
Shaft shoulder db max (in)
2.717
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 1,100 rpm
4
26,022
102
1,539
6
17,348
392
5,947
8
13,011
1,024
15,515
10
10,409
2,154
32,643
15
6,939
8,323
126,113
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 104,088 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.
