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7030A5

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number
7030A5TRSUHP3 Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7030A5TRSUHP3

Boundary Dimensions

d 150 mm Bore diameter
D 225 mm Outside diameter
B 35 mm Width
r(min.) 2.1 mm Chamfer Dimension
r1(min.) 1.1 mm Chamfer Dimension

Basic Load Ratings

Cr 180 kN Basic Dynamic Load Rating
C0r 160 kN Basic Static Load Rating

Speeds

Grease 5400 min-1 Limiting Speed
Oil (Oil-air) 8000 min-1 Limiting Speed

Dimensions

A5: 25° Contact Angle
a 61.2 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 162 mm Diameter of Shaft Abutment
Da(max.) 213 mm Diameter of Housing Abutment
Db(max.) 218 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 123 kN Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 973N 353N/μm -11μm
L 1877N 448N/μm -20μm
M 4118N 603N/μm -37μm
H 8340N 802N/μm -61μm

Additional information

23 g/brg Recommended Grease Quantities

Mass

4.69 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)
7030A5TRSUHP3 180 160 P3: Special class (ISO Class 4 dimensional tolerances and ISO Class 2 running accuracy.) 5400 8000 4.69

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CAD
More Information
NSK Product Type2 SP_ACBB_ST_A5
NSK Product Type Super Precision Bearing
Designations 7030A5

© NSK Ltd.

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