K392-394-A is a FAG tapered roller bearing, bore 61.91 mm, O.D. 110 mm, width 22 mm, dynamic rating 86 kN. Dimensions, drawing, interchanges and price.
Original catalogue drawing - FAG Schaeffler HR 1, page 622
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
61.912
2.4375
D
Outside diameter
110
4.3307
B
Inner-ring / bearing width
21.996
0.866
T
Overall assembly width
22
0.8661
C
Cup / outer-ring width
18.824
0.7411
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)
61.912
Outside dia. D (mm)
110
Width B (mm)
21.996
Overall width T (mm)
22
Cup width C (mm)
18.824
Inner-ring OD d1 (mm)
87.4
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
19334
Basic static load rating Cor (lbs)
25853
Basic dynamic load rating Cr (N)
86000
Basic static load rating C0r (N)
115000
Basic dynamic axial rating Ca (N)
5
Fatigue limit load Cur (N)
13700
Factor e
0.4
Factor Y
1.49
Factor Y0
0.82
Limiting speed nG (rpm)
6,600
Effective load centre a (mm)
21
Weight
Weight (kg)
0.886
Mounting dimensions (fillets / shoulders)
Chamfer r2 min (mm)
0.8
Shaft shoulder da (mm)
69
Shaft shoulder db (mm)
70
Housing shoulder Da (mm)
101
Housing shoulder Db (mm)
104.5
Housing fillet ra max (mm)
0.8
Fillet rb max (mm)
1.3
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 2,200 rpm
4
21,500
102
770
6
14,333
392
2,973
8
10,750
1,024
7,758
10
8,600
2,154
16,321
15
5,733
8,323
63,057
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 86,000 N. Hours = L10 x 106 / (60n). Life-modification factors for lubrication, contamination and temperature (aISO) are not included.
Source & traceability
Brand
FAG
Source catalogue
FAG / Schaeffler Rolling Bearings HR 1
Catalogue page
p.622 (dimensions)
Load ratings in newtons, fatigue limit load Cur, limiting speed nG and reference speed nB.
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.
