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7928A5SN24

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number
7928A5SN24TYNSUMP3 Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7928A5SN24TYNSUMP3

Boundary Dimensions

d 140 mm Bore diameter
D 190 mm Outside diameter
B 24 mm Width
r(min.) 1.5 mm Chamfer Dimension
r1(min.) 1 mm Chamfer Dimension

Basic Load Ratings

Cr 75.0 kN Basic Dynamic Load Rating
C0r 86.5 kN Basic Static Load Rating

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

Grease 6000 min-1 Limiting Speed
Oil (Oil-air) 8500 min-1 Limiting Speed

Dimensions

A5: 25° Contact Angle
a 50.5 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 149 mm Diameter of Shaft Abutment
Da(max.) 181 mm Diameter of Housing Abutment
Db(max.) 184 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 80.7 kN Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 539N 317N/μm -7μm
L 1086N 409N/μm -13μm
M 2552N 564N/μm -25μm
H 5185N 749N/μm -41μm

Additional information

9.2 g/brg Recommended Grease Quantities

Mass

1.41 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_ACBB_ST_A5
NSK Product Type Super Precision Bearing
Designations 7928A5SN24

© NSK Ltd.

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