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United States, Cambridge
SKF 02872/02820/Q ISO
Single-row angular contact bearing with tapered rollers
Brand
Standart
ISO
Principal dimensions
d,
Inner diameter,
mm
28.575
D,
Outside diameter,
mm
73.025
B,
Width,
mm
22.225
m,
Weight,
kg
0.49
Specifications
Type of product
Bearing
d1 (inch) - Inch diameter
1.125
D (inch) - Outside diameter
2.875
B (inch) - Width
0.875
Unit of measure
Inch
Type of friction
Rolling
Rolling elements
Rollers
Direction of the perceived load
Radial-thrust
Number of rows
Single row
Bore
Cylindrical
Material
Steel
Seals/Shields
Open
Cage
Steel
d (inch) - Bore diameter
1.125
d (mm) - Bore diameter
28.575
D (inch) - Outside diameter
2.875
D (mm) - Outside diameter
73.025
T (inch) - Total bearing width
0.875
B (inch) - Width
0.875
C (inch) - Width outer ring
0.6875
T (mm) - Total bearing width
22.225
B (mm) - Width
22.225
m (kg) - Mass
0.49
d1 (mm) - Shoulder diameter
54.2
r1,2 (inch) - Chamfer dimension (min)
0.03
r1,2 (mm) - Chamfer dimension (Inner ring) (min)
0.8
da (mm) - Diameter of shaft abutment (max)
44
ra (mm) - Fillet radius (max)
0.8
C (kN) - Basic dynamic load rating (radial)
57.2
C0 (kN) - Basic static load rating (radial)
69.5
Pu (kN) - Fatigue load limit
7.5
Reference speed (r/min)
7000
Limiting speed (r/min)
10000
Da (mm) - Diameter of housing abutment (min)
60
Db (mm) - Diameter of housing abutment (min)
67
Ca (mm) - Abutment housing - axial space at the large side face/ both sides of the outer ring (min)
3
Cb (mm) - Abutment housing - axial space at the small side face/ both sides of the outer ring (min)
4.5
rb (mm) - Fillet radius (max)
3.1
a (mm) - Distance pressure point
26
e - Calculation factor
0.46
Y - Calculation factor
1.3
Y0 - Calculation factor
0.7
r3,4 (inch) - Chamfer dimension (min)
0.13
C (mm) - Width outer ring
17.462
r3,4 (mm) - Chamfer dimension (min)
3.3
db (mm) - Diameter of shaft abutment (min)
33.5
Da (mm) - Diameter of housing abutment (max)
61.5
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