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Handbook / Bearings

NSK 02475/02420 ISO

Single-row angular contact bearing with tapered rollers

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Brand
NSK
Standart
ISO
Principal dimensions
d,  Inner diameter,  mm
31.750
D,  Outside diameter,  mm
68.262
B,  Width,  mm
22.225
m,  Weight,  kg
0.381
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
31.750
D (mm) - Outside diameter
68.262
T (mm) - Total bearing width
22.225
B (mm) - Width
22.225
m (kg) - Mass
0.381
r1,2 (mm) - Chamfer dimension (Inner ring) (min)
3.5
da (mm) - Diameter of shaft abutment (min)
44.5
ra (mm) - Fillet radius (max)
3.5
ra (mm) - Fillet radius (max)
1.5
C (kN) - Basic dynamic load rating (radial)
55000
C0 (kN) - Basic static load rating (radial)
64000
C (mm) - Width outer ring
17.462
r1,2 (mm) - Chamfer dimension (Outer ring) (min)
1.5
Grease (r/min)
5600
Oil (r/min)
7500
db (mm) - Diameter of shaft abutment (max)
38.5
Da (mm) - Diameter of housing abutment (max)
59
Db (mm) - Diameter of housing abutment (min)
63
a (mm) - Distance pressure point
16.9
e - Calculation factor
0.42
Y - Calculation factor
1.4
Y0 - Calculation factor
0.79
m (kg) - Inner ring
0.229
m (kg) - Outer ring
0.152
Inner ring
02475
Outer ring
02420

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