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7210A5

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number
7210A5TRSULP4Y Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7210A5TRSULP4Y

Boundary Dimensions

d 50 mm Bore diameter
D 90 mm Outside diameter
B 20 mm Width
r(min.) 1.1 mm Chamfer Dimension
r1(min.) 0.6 mm Chamfer Dimension

Basic Load Ratings

Cr 43.0 kN Basic Dynamic Load Rating
C0r 30.5 kN Basic Static Load Rating

Speeds

Grease 14300 min-1 Limiting Speed
Oil (Oil-air) 21500 min-1 Limiting Speed

Dimensions

A5: 25° Contact Angle
a 26.3 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 57 mm Diameter of Shaft Abutment
Da(max.) 83 mm Diameter of Housing Abutment
Db(max.) 85 mm Diameter of Housing Abutment
ra(max.) 1 mm Radius of Shaft or Housing Fillet
rb(max.) 0.6 mm Radius of Shaft or Housing Fillet

Performance

Pa 25.2 kN Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 208N 130N/μm -6μm
L 391N 164N/μm -11μm
M 989N 233N/μm -23μm
H 1934N 306N/μm -37μm

Additional information

2.8 g/brg Recommended Grease Quantities

Mass

0.453 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_ACBB_ST_A5
NSK Product Type Super Precision Bearing
Designations 7210A5

© NSK Ltd.

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