Original catalogue drawing - FAG Schaeffler HR 1, page 274
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
180
7.0866
D
Outside diameter
320
12.5984
B
Inner-ring / bearing width
52
2.0472
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)
180
Outside dia. D (mm)
320
Width B (mm)
52
Inner-ring OD d1 (mm)
228.6
Inner-ring shoulder dia. D1 (mm)
272.1
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
53954
Basic static load rating Cor (lbs)
54853
Basic dynamic load rating Cr (N)
240000
Basic static load rating C0r (N)
244000
Fatigue limit load Cur (N)
10300
Factor f0
15.3
Limiting speed nG (rpm)
3,650
Reference speed nB (rpm)
2,750
Weight
Weight (kg)
18.744
Mounting dimensions (fillets / shoulders)
Housing fillet r max (mm)
4
Shaft shoulder da (mm)
197
Housing shoulder Da (mm)
303
Housing fillet ra max (mm)
3
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 1,200 rpm
4
60,000
64
889
6
40,000
216
3,000
8
30,000
512
7,111
10
24,000
1,000
13,889
15
16,000
3,375
46,875
Basic rating life per ISO 281: L10 = (C/P)3 with C = 240,000 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.274 (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.