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7211C

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number
7211CTYNSUHP4 Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7211CTYNSUHP4

Boundary Dimensions

d 55 mm Bore diameter
D 100 mm Outside diameter
B 21 mm Width
r(min.) 1.5 mm Chamfer Dimension
r1(min.) 1 mm Chamfer Dimension

Basic Load Ratings

Cr 55.5 kN Basic Dynamic Load Rating
C0r 40.0 kN Basic Static Load Rating

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

Grease 14900 min-1 Limiting Speed
Oil (Oil-air) 18000 min-1 Limiting Speed

Dimensions

C: 15° Contact Angle
a 20.9 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 64 mm Diameter of Shaft Abutment
Da(max.) 91 mm Diameter of Housing Abutment
Db(max.) 94 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 27.6 kN Permissible Axial Load

Calculation factors

f0 14.5 Factor

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 142N 56N/μm -8μm
L 289N 74N/μm -17μm
M 788N 116N/μm -38μm
H 1554N 163N/μm -60μm

Additional information

3.7 g/brg Recommended Grease Quantities

Mass

0.601 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_ACBB_ST_C
NSK Product Type Super Precision Bearing
Designations 7211C

© NSK Ltd.

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