23988-MB is a FAG spherical roller bearing, bore 440 mm, O.D. 600 mm, width 118 mm, dynamic rating 2230 kN. Dimensions, drawing, interchanges and price.
Original catalogue drawing - FAG Schaeffler HR 1, page 734
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
440
17.3228
D
Outside diameter
600
23.622
B
Inner-ring / bearing width
118
4.6457
r
Chamfer (min)
4
0.1575
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)
440
Outside dia. D (mm)
600
Width B (mm)
118
Inner-ring shoulder dia. D1 (mm)
552.8
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
501324
Basic static load rating Cor (lbs)
1169007
Basic dynamic load rating Cr (N)
2.23e+06
Basic static load rating C0r (N)
5.2e+06
Fatigue limit load Cur (N)
295000
Factor e
0.18
Factor Y0
3.58
Limiting speed nG (rpm)
1,130
Reference speed nB (rpm)
620
Weight
Weight (kg)
101.0
Mounting dimensions (fillets / shoulders)
Housing fillet r max (mm)
4
Shaft shoulder da (mm)
454.6
Housing shoulder Da (mm)
585.4
Housing fillet ra max (mm)
3
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 300 rpm
4
557,500
102
5,644
6
371,667
392
21,805
8
278,750
1,024
56,889
10
223,000
2,154
119,691
15
148,667
8,323
462,415
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 2,230,000 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.734 (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.
