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7009A5SN24

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number
7009A5SN24TRSUMP4Y Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7009A5SN24TRSUMP4Y

Boundary Dimensions

d 45 mm Bore diameter
D 75 mm Outside diameter
B 16 mm Width
r(min.) 1 mm Chamfer Dimension
r1(min.) 0.6 mm Chamfer Dimension

Basic Load Ratings

Cr 29.1 kN Basic Dynamic Load Rating
C0r 17.5 kN Basic Static Load Rating

Speeds

Grease 21700 min-1 Limiting Speed
Oil (Oil-air) 32500 min-1 Limiting Speed

Dimensions

A5: 25° Contact Angle
a 22.0 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 51 mm Diameter of Shaft Abutment
Da(max.) 69 mm Diameter of Housing Abutment
Db(max.) 70 mm Diameter of Housing Abutment
ra(max.) 1 mm Radius of Shaft or Housing Fillet
rb(max.) 0.5 mm Radius of Shaft or Housing Fillet

Performance

Pa 17.2 kN Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 99N 113N/μm -2μm
L 233N 153N/μm -6μm
M 553N 212N/μm -13μm
H 1107N 280N/μm -22μm

Additional information

1.4 g/brg Recommended Grease Quantities

Mass

0.223 kg Mass(approx.)
Designations Basic Load Ratings Axial Internal Clearance Accuracy Limiting Speeds Mass
Cr
 C0r
 min
 max
 Grease
(min-1)		 Oil (Oil-air)
(min-1)
(kg)
7009A5SN24TRSUMP4Y 29.1 17.5 P4Y: Special class (Special bore and outside diameter tolerances, others are ISO Class 4.) 21700 32500 0.223

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CAD
More Information
NSK Product Type2 SP_ACBB_ST_A5
NSK Product Type Super Precision Bearing
Designations 7009A5SN24

© NSK Ltd.

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