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
260
10.2362
D
Outside diameter
320
12.5984
B
Inner-ring / bearing width
28
1.1024
r
Chamfer (min)
2
0.0787
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)
260
Outside dia. D (mm)
320
Width B (mm)
28
Inner-ring OD d1 (mm)
279.3
Inner-ring shoulder dia. D1 (mm)
301.7
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
22931
Basic static load rating Cor (lbs)
29675
Basic dynamic load rating Cr (N)
102000
Basic static load rating C0r (N)
132000
Fatigue limit load Cur (N)
4550
Factor f0
15.9
Limiting speed nG (rpm)
2,700
Reference speed nB (rpm)
2,070
Weight
Weight (kg)
4.31
Mounting dimensions (fillets / shoulders)
Housing fillet r max (mm)
2
Shaft shoulder da (mm)
268.8
Housing shoulder Da (mm)
311.2
Housing fillet ra max (mm)
2
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 900 rpm
4
25,500
64
1,185
6
17,000
216
4,000
8
12,750
512
9,481
10
10,200
1,000
18,519
15
6,800
3,375
62,500
Basic rating life per ISO 281: L10 = (C/P)3 with C = 102,000 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.
