7028A5SN24

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7028A5SN24TRSULP3

Boundary Dimensions

d 140 mm Bore diameter
D 210 mm Outside diameter
B 33 mm Width
r(min.) 2 mm Chamfer Dimension
r1(min.) 1 mm Chamfer Dimension

Basic Load Ratings

Cr 125 kN Basic Dynamic Load Rating
C0r 132 kN Basic Static Load Rating

Speeds

Grease 7500 min-1 Limiting Speed
Oil (Oil-air) 11200 min-1 Limiting Speed

Dimensions

A5: 25° Contact Angle
a 57.3 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 150 mm Diameter of Shaft Abutment
Da(max.) 200 mm Diameter of Housing Abutment
Db(max.) 204 mm Diameter of Housing Abutment
ra(max.) 2 mm Radius of Shaft or Housing Fillet
rb(max.) 1 mm Radius of Shaft or Housing Fillet

Performance

Pa 124 kN Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 873N 371N/μm -9μm
L 1721N 474N/μm -17μm
M 3979N 651N/μm -33μm
H 7947N 859N/μm -54μm

Additional information

19 g/brg Recommended Grease Quantities

Mass

3.40 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_ACBB_ST_A5
NSK Product Type Super Precision Bearing
Designations 7028A5SN24
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