23936-S-MB is a FAG spherical roller bearing, bore 180 mm, O.D. 250 mm, width 52 mm, dynamic rating 445 kN. Dimensions, drawing, interchanges and price.
Original catalogue drawing - FAG Schaeffler HR 1, page 718
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
180
7.0866
D
Outside diameter
250
9.8425
B
Inner-ring / bearing width
52
2.0472
r
Chamfer (min)
2
0.0787
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)
180
Outside dia. D (mm)
250
Width B (mm)
52
Inner-ring shoulder dia. D1 (mm)
230.9
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
100040
Basic static load rating Cor (lbs)
188840
Basic dynamic load rating Cr (N)
445000
Basic static load rating C0r (N)
840000
Fatigue limit load Cur (N)
57000
Factor e
0.2
Factor Y0
3.34
Limiting speed nG (rpm)
3,200
Reference speed nB (rpm)
1,850
Weight
Weight (kg)
8.0
Mounting dimensions (fillets / shoulders)
Housing fillet r max (mm)
2
Shaft shoulder da (mm)
188.8
Housing shoulder Da (mm)
241.2
Housing fillet ra max (mm)
2
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 1,000 rpm
4
111,250
102
1,693
6
74,167
392
6,542
8
55,625
1,024
17,067
10
44,500
2,154
35,907
15
29,667
8,323
138,724
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 445,000 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.718 (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.
