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7220A5

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number
7220A5TYNSUMP3 Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7220A5TYNSUMP3

Boundary Dimensions

d 100 mm Bore diameter
D 180 mm Outside diameter
B 34 mm Width
r(min.) 2.1 mm Chamfer Dimension
r1(min.) 1.1 mm Chamfer Dimension

Basic Load Ratings

Cr 149 kN Basic Dynamic Load Rating
C0r 121 kN Basic Static Load Rating

Speeds The limiting speeds of the ball guided cage is lower than the outer ring guided cage.

Grease 7100 min-1 Limiting Speed
Oil (Oil-air) 10000 min-1 Limiting Speed

Dimensions

A5: 25° Contact Angle
a 49.6 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 112 mm Diameter of Shaft Abutment
Da(max.) 168 mm Diameter of Housing Abutment
Db(max.) 173 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 103 kN Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 776N 252N/μm -14μm
L 1574N 327N/μm -25μm
M 3500N 442N/μm -45μm
H 7110N 588N/μm -73μm

Additional information

18 g/brg Recommended Grease Quantities

Mass

3.16 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_ACBB_ST_A5
NSK Product Type Super Precision Bearing
Designations 7220A5

© NSK Ltd.

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