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7001A5

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number
7001A5TRSUHP3 Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7001A5TRSUHP3

Boundary Dimensions

d 12 mm Bore diameter
D 28 mm Outside diameter
B 8 mm Width
r(min.) 0.3 mm Chamfer Dimension
r1(min.) 0.15 mm Chamfer Dimension

Basic Load Ratings

Cr 7.05 kN Basic Dynamic Load Rating
C0r 2.79 kN Basic Static Load Rating

Speeds

Grease 50000 min-1 Limiting Speed
Oil (Oil-air) 75000 min-1 Limiting Speed

Dimensions

A5: 25° Contact Angle
a 8.7 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 14.5 mm Diameter of Shaft Abutment
Da(max.) 25.5 mm Diameter of Housing Abutment
Db(max.) 26.8 mm Diameter of Housing Abutment
ra(max.) 0.3 mm Radius of Shaft or Housing Fillet
rb(max.) 0.15 mm Radius of Shaft or Housing Fillet

Performance

Pa 2.82 kN Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 16N 31N/μm 1μm
L 45N 45N/μm -2μm
M 97N 60N/μm -6μm
H 203N 81N/μm -12μm

Additional information

0.13 g/brg Recommended Grease Quantities

Mass

0.021 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)
7001A5TRSUHP3 7.05 2.79 P3: Special class (ISO Class 4 dimensional tolerances and ISO Class 2 running accuracy.) 50000 75000 0.021

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CAD
More Information
NSK Product Type2 SP_ACBB_ST_A5
NSK Product Type Super Precision Bearing
Designations 7001A5

© NSK Ltd.

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