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7222A5

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number
7222A5TRSUELP4Y Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7222A5TRSUELP4Y

Boundary Dimensions

d 110 mm Bore diameter
D 200 mm Outside diameter
B 38 mm Width
r(min.) 2.1 mm Chamfer Dimension
r1(min.) 1.1 mm Chamfer Dimension

Basic Load Ratings

Cr 176 kN Basic Dynamic Load Rating
C0r 153 kN Basic Static Load Rating

Speeds

Grease 6500 min-1 Limiting Speed
Oil (Oil-air) 9700 min-1 Limiting Speed

Dimensions

A5: 25° Contact Angle
a 55.1 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 122 mm Diameter of Shaft Abutment
Da(max.) 188 mm Diameter of Housing Abutment
Db(max.) 193 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 126 kN Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 948N 281N/μm -16μm
L 2009N 369N/μm -29μm
M 4400N 497N/μm -51μm
H 9396N 676N/μm -85μm

Additional information

25 g/brg Recommended Grease Quantities

Mass

4.45 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_ACBB_ST_A5
NSK Product Type Super Precision Bearing
Designations 7222A5

© NSK Ltd.

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