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7211A5SN24

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number
7211A5SN24TYNSUMP4Y Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7211A5SN24TYNSUMP4Y

Boundary Dimensions

d 55 mm Bore diameter
D 100 mm Outside diameter
B 21 mm Width
r(min.) 1.5 mm Chamfer Dimension
r1(min.) 1 mm Chamfer Dimension

Basic Load Ratings

Cr 50.5 kN Basic Dynamic Load Rating
C0r 36.5 kN Basic Static Load Rating

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

Grease 13000 min-1 Limiting Speed
Oil (Oil-air) 18000 min-1 Limiting Speed

Dimensions

A5: 25° Contact Angle
a 28.6 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 64 mm Diameter of Shaft Abutment
Da(max.) 91 mm Diameter of Housing Abutment
Db(max.) 94 mm Diameter of Housing Abutment
ra(max.) 1.5 mm Radius of Shaft or Housing Fillet
rb(max.) 0.8 mm Radius of Shaft or Housing Fillet

Performance

Pa 38.6 kN Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 277N 165N/μm -7μm
L 562N 213N/μm -13μm
M 1401N 301N/μm -26μm
H 2804N 399N/μm -42μm

Additional information

3.7 g/brg Recommended Grease Quantities

Mass

0.497 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_ACBB_ST_A5
NSK Product Type Super Precision Bearing
Designations 7211A5SN24

© NSK Ltd.

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