N318-E-M1 is a FAG cylindrical roller bearing, bore 90 mm, O.D. 190 mm, width 43 mm, dynamic rating 370 kN. Dimensions, drawing, interchanges and price.
Original catalogue drawing - FAG Schaeffler HR 1, page 372
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
90
3.5433
D
Outside diameter
190
7.4803
B
Inner-ring / bearing width
43
1.6929
r
Chamfer (min)
3
0.1181
E
Roller-set outside dia.
169.5
6.6732
F
Roller-set bore dia.
113.5
4.4685
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)
90
Outside dia. D (mm)
190
Width B (mm)
43
Inner-ring OD d1 (mm)
124
Dimension E (mm)
169.5
Dimension F (mm)
113.5
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
83179
Basic static load rating Cor (lbs)
78683
Basic dynamic load rating Cr (N)
370000
Basic static load rating C0r (N)
350000
Fatigue limit load Cur (N)
55000
Limiting speed nG (rpm)
5,300
Reference speed nB (rpm)
3,750
Weight
Weight (kg)
6.19
Mounting dimensions (fillets / shoulders)
Housing fillet r max (mm)
3
Chamfer r1 min (mm)
3
Shaft shoulder da (mm)
104
Housing shoulder Da (mm)
176
Housing shoulder Db (mm)
171
Housing shoulder Dc (mm)
168
Housing fillet ra max (mm)
2.5
Housing fillet ra1 max (mm)
2.5
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 1,700 rpm
4
92,500
102
996
6
61,667
392
3,848
8
46,250
1,024
10,039
10
37,000
2,154
21,122
15
24,667
8,323
81,603
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 370,000 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.372 (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.
