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7919A5

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number
7919A5TRSUELP4Y Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7919A5TRSUELP4Y

Boundary Dimensions

d 95 mm Bore diameter
D 130 mm Outside diameter
B 18 mm Width
r(min.) 1.1 mm Chamfer Dimension
r1(min.) 0.6 mm Chamfer Dimension

Basic Load Ratings

Cr 50.0 kN Basic Dynamic Load Rating
C0r 45.5 kN Basic Static Load Rating

Speeds

Grease 8900 min-1 Limiting Speed
Oil (Oil-air) 13400 min-1 Limiting Speed

Dimensions

A5: 25° Contact Angle
a 35.2 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 102 mm Diameter of Shaft Abutment
Da(max.) 123 mm Diameter of Housing Abutment
Db(max.) 125 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 35.0 kN Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 226N 195N/μm -3μm
L 512N 261N/μm -8μm
M 1218N 363N/μm -17μm
H 2371N 475N/μm -28μm

Additional information

3.3 g/brg Recommended Grease Quantities

Mass

0.603 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)
7919A5TRSUELP4Y 50.0 45.5 P4Y: Special class (Special bore and outside diameter tolerances, others are ISO Class 4.) 8900 13400 0.603

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CAD
More Information
NSK Product Type2 SP_ACBB_ST_A5
NSK Product Type Super Precision Bearing
Designations 7919A5

© NSK Ltd.

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