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7212C

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number
7212CTYNSUELP3 Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7212CTYNSUELP3

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 67.5 kN Basic Dynamic Load Rating
C0r 49.0 kN Basic Static Load Rating

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

Grease 13000 min-1 Limiting Speed
Oil (Oil-air) 16000 min-1 Limiting Speed

Dimensions

C: 15° Contact Angle
a 22.4 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 34.0 kN Permissible Axial Load

Calculation factors

f0 14.4 Factor

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 190N 64N/μm -11μm
L 397N 86N/μm -22μm
M 928N 126N/μm -42μm
H 1878N 178N/μm -67μm

Additional information

4.5 g/brg Recommended Grease Quantities

Mass

0.780 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_ACBB_ST_C
NSK Product Type Super Precision Bearing
Designations 7212C

© NSK Ltd.

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