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7019A5

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number
7019A5TRSUHP4Y Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7019A5TRSUHP4Y

Boundary Dimensions

d 95 mm Bore diameter
D 145 mm Outside diameter
B 24 mm Width
r(min.) 1.5 mm Chamfer Dimension
r1(min.) 1 mm Chamfer Dimension

Basic Load Ratings

Cr 87.5 kN Basic Dynamic Load Rating
C0r 69.5 kN Basic Static Load Rating

Speeds

Grease 8400 min-1 Limiting Speed
Oil (Oil-air) 12500 min-1 Limiting Speed

Dimensions

A5: 25° Contact Angle
a 40.0 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 104 mm Diameter of Shaft Abutment
Da(max.) 136 mm Diameter of Housing Abutment
Db(max.) 139 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 52.5 kN Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 421N 227N/μm -7μm
L 808N 287N/μm -13μm
M 1832N 392N/μm -25μm
H 3786N 525N/μm -42μm

Additional information

6.4 g/brg Recommended Grease Quantities

Mass

1.21 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)
7019A5TRSUHP4Y 87.5 69.5 P4Y: Special class (Special bore and outside diameter tolerances, others are ISO Class 4.) 8400 12500 1.21

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CAD
More Information
NSK Product Type2 SP_ACBB_ST_A5
NSK Product Type Super Precision Bearing
Designations 7019A5

© NSK Ltd.

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