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7209A5SN24

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number
7209A5SN24TYNSULP5 Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7209A5SN24TYNSULP5

Boundary Dimensions

d 45 mm Bore diameter
D 85 mm Outside diameter
B 19 mm Width
r(min.) 1.1 mm Chamfer Dimension
r1(min.) 0.6 mm Chamfer Dimension

Basic Load Ratings

Cr 39.0 kN Basic Dynamic Load Rating
C0r 26.6 kN Basic Static Load Rating

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

Grease 15000 min-1 Limiting Speed
Oil (Oil-air) 22000 min-1 Limiting Speed

Dimensions

A5: 25° Contact Angle
a 24.7 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 52 mm Diameter of Shaft Abutment
Da(max.) 78 mm Diameter of Housing Abutment
Db(max.) 80 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 27.7 kN Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 186N 133N/μm -5μm
L 377N 171N/μm -10μm
M 1011N 249N/μm -22μm
H 2026N 330N/μm -36μm

Additional information

2.5 g/brg Recommended Grease Quantities

Mass

0.337 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_ACBB_ST_A5
NSK Product Type Super Precision Bearing
Designations 7209A5SN24

© NSK Ltd.

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