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7930A5

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number
7930A5TRSUMP3 Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7930A5TRSUMP3

Boundary Dimensions

d 150 mm Bore diameter
D 210 mm Outside diameter
B 28 mm Width
r(min.) 2 mm Chamfer Dimension
r1(min.) 1 mm Chamfer Dimension

Basic Load Ratings

Cr 101 kN Basic Dynamic Load Rating
C0r 115 kN Basic Static Load Rating

Speeds

Grease 5600 min-1 Limiting Speed
Oil (Oil-air) 8400 min-1 Limiting Speed

Dimensions

A5: 25° Contact Angle
a 56.0 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 160 mm Diameter of Shaft Abutment
Da(max.) 200 mm Diameter of Housing Abutment
Db(max.) 204 mm Diameter of Housing Abutment
ra(max.) 2 mm Radius of Shaft or Housing Fillet
rb(max.) 1 mm Radius of Shaft or Housing Fillet

Performance

Pa 84.5 kN Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 651N 310N/μm -7μm
L 1269N 395N/μm -14μm
M 2914N 541N/μm -28μm
H 5914N 720N/μm -47μm

Additional information

13 g/brg Recommended Grease Quantities

Mass

2.97 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_ACBB_ST_A5
NSK Product Type Super Precision Bearing
Designations 7930A5

© NSK Ltd.

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