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190BNR19S

ROBUST Series Ultra High-Speed Angular Contact Ball Bearings
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Parts Number
190BNR19STYNSUMP3 ROBUST Series Ultra High-Speed Angular Contact Ball Bearings
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Parts Number

190BNR19STYNSUMP3

Boundary Dimensions

BNR: 18° Bearing Type
d 190 mm Bore diameter
D 260 mm Outside diameter
B 33 mm Width
r(min.) 2 mm Chamfer Dimension
r1(min.) 1 mm Chamfer Dimension

Basic Load Ratings

Cr 140 kN Basic Dynamic Load Rating
C0r 124 kN Basic Static Load Rating

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

Grease 5800 min-1 Limiting Speed
Oil (Oil-air) 7000 min-1 Limiting Speed

Dimensions

18° Contact Angle
a 53.1 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 200 mm Diameter of Shaft Abutment
Da(max.) 250 mm Diameter of Housing Abutment
Db(max.) 254 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 181 kN Permissible Axial Load

Calculation factors

f0 10.9 Factor

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 196N 120N/μm 0μm
L 1466N 247N/μm -27μm
M 3049N 328N/μm -49μm

Additional information

26 g/brg Recommended Grease Quantities

Mass

4.38 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_ACBB_RS_BNR
NSK Product Type Super Precision Bearing
Designations 190BNR19S

© NSK Ltd.

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