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7019A

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number
7019ATYNSUMP4 Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7019ATYNSUMP4

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 84.0 kN Basic Dynamic Load Rating
C0r 67.0 kN Basic Static Load Rating

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

Grease 6300 min-1 Limiting Speed
Oil (Oil-air) 8400 min-1 Limiting Speed

Dimensions

A: 30° Contact Angle
a 46.6 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 40.5 kN Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 98N 182N/μm 0μm
L 811N 372N/μm -10μm
M 2592N 569N/μm -25μm
H 4157N 682N/μm -35μm

Additional information

6.4 g/brg Recommended Grease Quantities

Mass

1.23 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)
7019ATYNSUMP4 84.0 67.0 P4: ISO Class 4 6300 8400 1.23

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CAD
More Information
NSK Product Type2 SP_ACBB_ST_A
NSK Product Type Super Precision Bearing
Designations 7019A

© NSK Ltd.

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