Original catalogue drawing - FAG Schaeffler HR 1, page 312
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)
237.4
Inner-ring shoulder dia. D1 (mm)
265.8
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
62947
Basic static load rating Cor (lbs)
85427
Basic dynamic load rating Cr (N)
280000
Basic static load rating C0r (N)
380000
Fatigue limit load Cur (N)
12100
Limiting speed nG (rpm)
3,100
Reference speed nB (rpm)
2,290
Effective load centre a (mm)
131
Weight
Weight (kg)
17.503
Mounting dimensions (fillets / shoulders)
Housing fillet r max (mm)
4
Chamfer r1 min (mm)
1.5
Shaft shoulder da (mm)
197
Housing shoulder Da (mm)
303
Housing shoulder Db (mm)
311
Housing fillet ra max (mm)
3
Housing fillet ra1 max (mm)
1.5
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 1,000 rpm
4
70,000
64
1,067
6
46,667
216
3,600
8
35,000
512
8,533
10
28,000
1,000
16,667
15
18,667
3,375
56,250
Basic rating life per ISO 281: L10 = (C/P)3 with C = 280,000 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.312 (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.