Original catalogue drawing - FAG Schaeffler HR 1, page 592
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
50
1.9685
D
Outside diameter
80
3.1496
B
Inner-ring / bearing width
20
0.7874
T
Overall assembly width
20
0.7874
C
Cup / outer-ring width
15.5
0.6102
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)
50
Outside dia. D (mm)
80
Width B (mm)
20
Overall width T (mm)
20
Cup width C (mm)
15.5
Inner-ring OD d1 (mm)
67.3
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
16861
Basic static load rating Cor (lbs)
21132
Basic dynamic load rating Cr (N)
75000
Basic static load rating C0r (N)
94000
Basic dynamic axial rating Ca (N)
4
Fatigue limit load Cur (N)
14500
Factor e
0.42
Factor Y
1.42
Factor Y0
0.78
Limiting speed nG (rpm)
9,600
Reference speed nB (rpm)
4,950
Effective load centre a (mm)
18
Weight
Weight (kg)
0.39
Mounting dimensions (fillets / shoulders)
Chamfer r2 min (mm)
1
Shaft shoulder da (mm)
56
Shaft shoulder db (mm)
56
Housing shoulder Da (mm)
72
Housing shoulder Db (mm)
77
Housing fillet ra max (mm)
1
Fillet rb max (mm)
1
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 3,000 rpm
4
18,750
102
564
6
12,500
392
2,181
8
9,375
1,024
5,689
10
7,500
2,154
11,969
15
5,000
8,323
46,241
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 75,000 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.592 (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.
