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7214C

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number
7214CTRSUMP3 Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7214CTRSUMP3

Boundary Dimensions

d 70 mm Bore diameter
D 125 mm Outside diameter
B 24 mm Width
r(min.) 1.5 mm Chamfer Dimension
r1(min.) 1 mm Chamfer Dimension

Basic Load Ratings

Cr 100 kN Basic Dynamic Load Rating
C0r 64.5 kN Basic Static Load Rating

Speeds

Grease 11800 min-1 Limiting Speed
Oil (Oil-air) 18000 min-1 Limiting Speed

Dimensions

C: 15° Contact Angle
a 25.1 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 79 mm Diameter of Shaft Abutment
Da(max.) 116 mm Diameter of Housing Abutment
Db(max.) 119 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 43.0 kN Permissible Axial Load

Calculation factors

f0 14.6 Factor

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 243N 75N/μm -9μm
L 484N 100N/μm -20μm
M 1164N 148N/μm -42μm
H 2368N 209N/μm -69μm

Additional information

6.0 g/brg Recommended Grease Quantities

Mass

1.09 kg Mass(approx.)
Designations Basic Load Ratings Axial Internal Clearance Accuracy Limiting Speeds Mass
Cr
 C0r
 min
 max
 Grease
(min-1)		 Oil (Oil-air)
(min-1)
(kg)
7214CTRSUMP3 100 64.5 P3: Special class (ISO Class 4 dimensional tolerances and ISO Class 2 running accuracy.) 11800 18000 1.09

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CAD
More Information
NSK Product Type2 SP_ACBB_ST_C
NSK Product Type Super Precision Bearing
Designations 7214C

© NSK Ltd.

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