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140BER19E

ROBUST Series Ultra High-Speed Angular Contact Ball Bearings
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Parts Number
140BER19ETSULP4Y ROBUST Series Ultra High-Speed Angular Contact Ball Bearings
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Parts Number

140BER19ETSULP4Y

Boundary Dimensions

BER: 25° Bearing Type
d 140 mm Bore diameter
D 190 mm Outside diameter
B 24 mm Width
r(min.) 1.5 mm Chamfer Dimension
r1(min.) 1 mm Chamfer Dimension

Basic Load Ratings

Cr 72.5 kN Basic Dynamic Load Rating
C0r 59.0 kN Basic Static Load Rating

Speeds

Grease 7900 min-1 Limiting Speed
Oil (Oil-air) 11100 min-1 Limiting Speed

Dimensions

25° Contact Angle
a 50.5 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 149 mm Diameter of Shaft Abutment
Da(max.) 181 mm Diameter of Housing Abutment
Db(max.) 184 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 105 kN Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 98N 137N/μm 0μm
L 1013N 304N/μm -16μm
M 1964N 386N/μm -27μm

Additional information

9.2 g/brg Recommended Grease Quantities

Mass

1.57 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)
140BER19ETSULP4Y 72.5 59.0 P4Y: Special class (Special bore and outside diameter tolerances, others are ISO Class 4.) 7900 11100 1.57

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CAD
More Information
NSK Product Type2 SP_ACBB_RS_BER
NSK Product Type Super Precision Bearing
Designations 140BER19E

© NSK Ltd.

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