SL181840 is a FAG cylindrical roller bearing, bore 200 mm, O.D. 250 mm, width 24 mm, dynamic rating 178 kN. Dimensions, drawing, interchanges and price.
Original catalogue drawing - FAG Schaeffler HR 1, page 520
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
200
7.874
D
Outside diameter
250
9.8425
B
Inner-ring / bearing width
24
0.9449
r
Chamfer (min)
1.5
0.0591
E
Roller-set outside dia.
237.6
9.3543
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)
200
Outside dia. D (mm)
250
Width B (mm)
24
Inner-ring OD d1 (mm)
216.6
Inner-ring shoulder dia. D1 (mm)
231.6
Dimension E (mm)
237.6
Dimension s (mm)
2
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
40016
Basic static load rating Cor (lbs)
71939
Basic dynamic load rating Cr (N)
178000
Basic static load rating C0r (N)
320000
Fatigue limit load Cur (N)
33500
Limiting speed nG (rpm)
1,420
Reference speed nB (rpm)
1,040
Weight
Weight (kg)
2.57
Mounting dimensions (fillets / shoulders)
Housing fillet r max (mm)
1.5
Shaft shoulder dc (mm)
216.5
Housing shoulder Da (mm)
231.5
Housing fillet ra max (mm)
1.5
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 400 rpm
4
44,500
102
4,233
6
29,667
392
16,354
8
22,250
1,024
42,667
10
17,800
2,154
89,768
15
11,867
8,323
346,811
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 178,000 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.520 (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.
