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7219C

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number
7219CTRSUMP3 Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7219CTRSUMP3

Boundary Dimensions

d 95 mm Bore diameter
D 170 mm Outside diameter
B 32 mm Width
r(min.) 2.1 mm Chamfer Dimension
r1(min.) 1.1 mm Chamfer Dimension

Basic Load Ratings

Cr 167 kN Basic Dynamic Load Rating
C0r 112 kN Basic Static Load Rating

Speeds

Grease 8700 min-1 Limiting Speed
Oil (Oil-air) 13300 min-1 Limiting Speed

Dimensions

C: 15° Contact Angle
a 33.7 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 107 mm Diameter of Shaft Abutment
Da(max.) 158 mm Diameter of Housing Abutment
Db(max.) 163 mm Diameter of Housing Abutment
ra(max.) 2 mm Radius of Shaft or Housing Fillet
rb(max.) 1 mm Radius of Shaft or Housing Fillet

Performance

Pa 76.0 kN Permissible Axial Load

Calculation factors

f0 14.6 Factor

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 448N 98N/μm -18μm
L 876N 130N/μm -33μm
M 2081N 192N/μm -63μm
H 4153N 270N/μm -99μm

Additional information

15 g/brg Recommended Grease Quantities

Mass

2.64 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)
7219CTRSUMP3 167 112 P3: Special class (ISO Class 4 dimensional tolerances and ISO Class 2 running accuracy.) 8700 13300 2.64

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CAD
More Information
NSK Product Type2 SP_ACBB_ST_C
NSK Product Type Super Precision Bearing
Designations 7219C

© NSK Ltd.

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