Original catalogue drawing - FAG Schaeffler HR 1, page 612
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
300
11.811
D
Outside diameter
420
16.5354
B
Inner-ring / bearing width
76
2.9921
T
Overall assembly width
76
2.9921
C
Cup / outer-ring width
57
2.2441
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)
300
Outside dia. D (mm)
420
Width B (mm)
76
Overall width T (mm)
76
Cup width C (mm)
57
Inner-ring OD d1 (mm)
359
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
263026
Basic static load rating Cor (lbs)
458610
Basic dynamic load rating Cr (N)
1.17e+06
Basic static load rating C0r (N)
2.04e+06
Basic dynamic axial rating Ca (N)
12
Fatigue limit load Cur (N)
238000
Factor e
0.39
Factor Y
1.52
Factor Y0
0.84
Limiting speed nG (rpm)
1,660
Reference speed nB (rpm)
810
Effective load centre a (mm)
80
Weight
Weight (kg)
31.3
Mounting dimensions (fillets / shoulders)
Chamfer r2 min (mm)
4
Shaft shoulder da (mm)
324
Shaft shoulder db (mm)
314
Housing shoulder Da (mm)
383
Housing shoulder Db (mm)
405
Housing fillet ra max (mm)
4
Fillet rb max (mm)
3
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 500 rpm
4
292,500
102
3,386
6
195,000
392
13,083
8
146,250
1,024
34,133
10
117,000
2,154
71,814
15
78,000
8,323
277,449
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 1,170,000 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.612 (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.
