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7001A

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number
7001ATYNSUMP4 Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7001ATYNSUMP4

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 5.70 kN Basic Dynamic Load Rating
C0r 2.71 kN Basic Static Load Rating

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

Grease 37500 min-1 Limiting Speed
Oil (Oil-air) 50000 min-1 Limiting Speed

Dimensions

A: 30° Contact Angle
a 9.8 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 2.13 kN Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 25N 48N/μm 0μm
L 104N 78N/μm -5μm
M 218N 104N/μm -10μm
H 363N 127N/μm -15μm

Additional information

0.13 g/brg Recommended Grease Quantities

Mass

0.021 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_ACBB_ST_A
NSK Product Type Super Precision Bearing
Designations 7001A

© NSK Ltd.

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