Original catalogue drawing - FAG Schaeffler HR 1, page 490
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
240
9.4488
D
Outside diameter
320
12.5984
B
Inner-ring / bearing width
51
2.0079
T
Overall assembly width
51
2.0079
C
Cup / outer-ring width
39
1.5354
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)
240
Outside dia. D (mm)
320
Width B (mm)
51
Overall width T (mm)
51
Cup width C (mm)
39
Inner-ring OD d1 (mm)
281
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
114653
Basic static load rating Cor (lbs)
236049
Basic dynamic load rating Cr (N)
510000
Basic static load rating C0r (N)
1.05e+06
Basic dynamic axial rating Ca (N)
9
Fatigue limit load Cur (N)
116000
Factor e
0.46
Factor Y
1.31
Factor Y0
0.72
Limiting speed nG (rpm)
2,000
Reference speed nB (rpm)
1,020
Effective load centre a (mm)
65
Weight
Weight (kg)
11.0
Mounting dimensions (fillets / shoulders)
Chamfer r2 min (mm)
3
Shaft shoulder da (mm)
254
Shaft shoulder db (mm)
252
Housing shoulder Da (mm)
308
Housing shoulder Db (mm)
311
Housing fillet ra max (mm)
3
Fillet rb max (mm)
2.5
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 600 rpm
4
127,500
102
2,822
6
85,000
392
10,903
8
63,750
1,024
28,444
10
51,000
2,154
59,845
15
34,000
8,323
231,207
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 510,000 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.490 (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.
