SL181844 is a FAG cylindrical roller bearing, bore 220 mm, O.D. 270 mm, width 24 mm, dynamic rating 187 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
220
8.6614
D
Outside diameter
270
10.6299
B
Inner-ring / bearing width
24
0.9449
r
Chamfer (min)
1.5
0.0591
E
Roller-set outside dia.
258.5
10.1772
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)
220
Outside dia. D (mm)
270
Width B (mm)
24
Inner-ring OD d1 (mm)
237.3
Inner-ring shoulder dia. D1 (mm)
252.3
Dimension E (mm)
258.5
Dimension s (mm)
2
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
42039
Basic static load rating Cor (lbs)
78683
Basic dynamic load rating Cr (N)
187000
Basic static load rating C0r (N)
350000
Fatigue limit load Cur (N)
36000
Limiting speed nG (rpm)
1,290
Weight
Weight (kg)
2.8
Mounting dimensions (fillets / shoulders)
Housing fillet r max (mm)
1.5
Shaft shoulder dc (mm)
237
Housing shoulder Da (mm)
252
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
46,750
102
4,233
6
31,167
392
16,354
8
23,375
1,024
42,667
10
18,700
2,154
89,768
15
12,467
8,323
346,811
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 187,000 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.
