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7224A5

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number
7224A5TRSUMP4 Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7224A5TRSUMP4

Boundary Dimensions

d 120 mm Bore diameter
D 215 mm Outside diameter
B 40 mm Width
r(min.) 2.1 mm Chamfer Dimension
r1(min.) 1.1 mm Chamfer Dimension

Basic Load Ratings

Cr 199 kN Basic Dynamic Load Rating
C0r 184 kN Basic Static Load Rating

Speeds

Grease 6000 min-1 Limiting Speed
Oil (Oil-air) 9000 min-1 Limiting Speed

Dimensions

A5: 25° Contact Angle
a 59.1 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 132 mm Diameter of Shaft Abutment
Da(max.) 203 mm Diameter of Housing Abutment
Db(max.) 208 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 150 kN Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 1137N 318N/μm -15μm
L 2327N 412N/μm -28μm
M 5259N 562N/μm -52μm
H 10296N 736N/μm -83μm

Additional information

29 g/brg Recommended Grease Quantities

Mass

5.42 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_ACBB_ST_A5
NSK Product Type Super Precision Bearing
Designations 7224A5

© NSK Ltd.

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