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Handbook / Bearings

NSK 02872/02820 ISO

Single-row angular contact bearing with tapered rollers

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Brand
NSK
Standart
ISO
Principal dimensions
d,  Inner diameter,  mm
28.575
D,  Outside diameter,  mm
73.025
B,  Width,  mm
22.225
m,  Weight,  kg
0.481
To specifications

Specifications

Type of product
Bearing
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
Cage
Steel
d (mm) - Bore diameter
28.575
D (mm) - Outside diameter
73.025
T (mm) - Total bearing width
22.225
B (mm) - Width
22.225
m (kg) - Mass
0.481
r1,2 (mm) - Chamfer dimension (Inner ring) (min)
0.8
da (mm) - Diameter of shaft abutment (min)
37.5
ra (mm) - Fillet radius (max)
0.8
ra (mm) - Fillet radius (max)
3.3
C (kN) - Basic dynamic load rating (radial)
54500
C0 (kN) - Basic static load rating (radial)
64500
C (mm) - Width outer ring
17.462
r1,2 (mm) - Chamfer dimension (Outer ring) (min)
3.3
Grease (r/min)
5300
Oil (r/min)
7100
db (mm) - Diameter of shaft abutment (max)
37
Da (mm) - Diameter of housing abutment (max)
62
Db (mm) - Diameter of housing abutment (min)
68
a (mm) - Distance pressure point
18.3
e - Calculation factor
0.45
Y - Calculation factor
1.3
Y0 - Calculation factor
0.73
m (kg) - Inner ring
0.321
m (kg) - Outer ring
0.16
Inner ring
02872
Outer ring
02820

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