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7210C

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number
7210CTRSUMP4 Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7210CTRSUMP4

Boundary Dimensions

d 50 mm Bore diameter
D 90 mm Outside diameter
B 20 mm Width
r(min.) 1.1 mm Chamfer Dimension
r1(min.) 0.6 mm Chamfer Dimension

Basic Load Ratings

Cr 45.0 kN Basic Dynamic Load Rating
C0r 31.5 kN Basic Static Load Rating

Speeds

Grease 16500 min-1 Limiting Speed
Oil (Oil-air) 25000 min-1 Limiting Speed

Dimensions

C: 15° Contact Angle
a 19.4 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 57 mm Diameter of Shaft Abutment
Da(max.) 83 mm Diameter of Housing Abutment
Db(max.) 85 mm Diameter of Housing Abutment
ra(max.) 1 mm Radius of Shaft or Housing Fillet
rb(max.) 0.6 mm Radius of Shaft or Housing Fillet

Performance

Pa 21.1 kN Permissible Axial Load

Calculation factors

f0 14.5 Factor

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 127N 52N/μm -7μm
L 248N 69N/μm -15μm
M 590N 102N/μm -31μm
H 1171N 143N/μm -50μm

Additional information

2.8 g/brg Recommended Grease Quantities

Mass

0.457 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_ACBB_ST_C
NSK Product Type Super Precision Bearing
Designations 7210C

© NSK Ltd.

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