Original catalogue drawing - FAG Schaeffler HR 1, page 220
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
320
12.5984
D
Outside diameter
480
18.8976
B
Inner-ring / bearing width
50
1.9685
r
Chamfer (min)
4
0.1575
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)
320
Outside dia. D (mm)
480
Width B (mm)
50
Inner-ring OD d1 (mm)
377.7
Inner-ring shoulder dia. D1 (mm)
423.1
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
68567
Basic static load rating Cor (lbs)
102288
Basic dynamic load rating Cr (N)
305000
Basic static load rating C0r (N)
455000
Fatigue limit load Cur (N)
13000
Limiting speed nG (rpm)
3,000
Reference speed nB (rpm)
1,550
Weight
Weight (kg)
34.9
Mounting dimensions (fillets / shoulders)
Housing fillet r max (mm)
4
Shaft shoulder da (mm)
334.6
Housing shoulder Da (mm)
465.4
Housing fillet ra max (mm)
3
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 1,000 rpm
4
76,250
64
1,067
6
50,833
216
3,600
8
38,125
512
8,533
10
30,500
1,000
16,667
15
20,333
3,375
56,250
Basic rating life per ISO 281: L10 = (C/P)3 with C = 305,000 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.220 (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.
