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7212A5SN24

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number
7212A5SN24TYNSUELP3 Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7212A5SN24TYNSUELP3

Boundary Dimensions

d 60 mm Bore diameter
D 110 mm Outside diameter
B 22 mm Width
r(min.) 1.5 mm Chamfer Dimension
r1(min.) 1 mm Chamfer Dimension

Basic Load Ratings

Cr 61.0 kN Basic Dynamic Load Rating
C0r 44.5 kN Basic Static Load Rating

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

Grease 12000 min-1 Limiting Speed
Oil (Oil-air) 16000 min-1 Limiting Speed

Dimensions

A5: 25° Contact Angle
a 30.8 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 69 mm Diameter of Shaft Abutment
Da(max.) 101 mm Diameter of Housing Abutment
Db(max.) 104 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 47.3 kN Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 331N 181N/μm -8μm
L 698N 237N/μm -15μm
M 1697N 332N/μm -29μm
H 3441N 441N/μm -47μm

Additional information

4.5 g/brg Recommended Grease Quantities

Mass

0.637 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_ACBB_ST_A5
NSK Product Type Super Precision Bearing
Designations 7212A5SN24

© NSK Ltd.

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