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7911A5SN24

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number
7911A5SN24TRSUHP5 Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7911A5SN24TRSUHP5

Boundary Dimensions

d 55 mm Bore diameter
D 80 mm Outside diameter
B 13 mm Width
r(min.) 1 mm Chamfer Dimension
r1(min.) 0.6 mm Chamfer Dimension

Basic Load Ratings

Cr 18.3 kN Basic Dynamic Load Rating
C0r 16.4 kN Basic Static Load Rating

Speeds

Grease 19300 min-1 Limiting Speed
Oil (Oil-air) 28900 min-1 Limiting Speed

Dimensions

A5: 25° Contact Angle
a 22.2 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 61 mm Diameter of Shaft Abutment
Da(max.) 74 mm Diameter of Housing Abutment
Db(max.) 75 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 14.8 kN Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 106N 129N/μm -2μm
L 217N 167N/μm -5μm
M 517N 232N/μm -11μm
H 1059N 309N/μm -19μm

Additional information

1.1 g/brg Recommended Grease Quantities

Mass

0.165 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_ACBB_ST_A5
NSK Product Type Super Precision Bearing
Designations 7911A5SN24

© NSK Ltd.

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