Original catalogue drawing - FAG Schaeffler HR 1, page 382
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
20
0.7874
D
Outside diameter
52
2.0472
B
Inner-ring / bearing width
21
0.8268
r
Chamfer (min)
1.1
0.0433
E
Roller-set outside dia.
45.5
1.7913
F
Roller-set bore dia.
27.5
1.0827
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)
20
Outside dia. D (mm)
52
Width B (mm)
21
Inner-ring OD d1 (mm)
31.3
Inner-ring shoulder dia. D1 (mm)
42.4
Dimension E (mm)
45.5
Dimension F (mm)
27.5
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
10903
Basic static load rating Cor (lbs)
8543
Basic dynamic load rating Cr (N)
48500
Basic static load rating C0r (N)
38000
Fatigue limit load Cur (N)
6300
Limiting speed nG (rpm)
14,000
Reference speed nB (rpm)
9,900
Weight
Weight (kg)
0.224
Mounting dimensions (fillets / shoulders)
Housing fillet r max (mm)
1.1
Chamfer r1 min (mm)
0.6
Shaft shoulder da (mm)
24
Shaft shoulder dc (mm)
33
Housing shoulder Da (mm)
45
Housing fillet ra 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
12,125
102
564
6
8,083
392
2,181
8
6,062
1,024
5,689
10
4,850
2,154
11,969
15
3,233
8,323
46,241
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 48,500 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.382 (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.
