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70BER19H

ROBUST Series Ultra High-Speed Angular Contact Ball Bearings
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Parts Number
70BER19HTSUELP4 ROBUST Series Ultra High-Speed Angular Contact Ball Bearings
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Parts Number

70BER19HTSUELP4

Boundary Dimensions

BER: 25° Bearing Type
d 70 mm Bore diameter
D 100 mm Outside diameter
B 16 mm Width
BN 3.1 mm
SN 9.3 mm
SB 1.4 mm
r(min.) 1 mm Chamfer Dimension
r1(min.) 0.6 mm Chamfer Dimension

Basic Load Ratings

Cr 25.7 kN Basic Dynamic Load Rating
C0r 16.6 kN Basic Static Load Rating

Speeds

Grease 18900 min-1 Limiting Speed
Oil (Oil-air) 29500 min-1 Limiting Speed

Dimensions

25° Contact Angle
a 27.8 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 76 mm Diameter of Shaft Abutment
Da(max.) 94 mm Diameter of Housing Abutment
Db(max.) 95 mm Diameter of Housing Abutment
ra(max.) 1 mm Radius of Shaft or Housing Fillet
rb(max.) 0.5 mm Radius of Shaft or Housing Fillet

Performance

Pa 20.7 kN Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 49N 94N/μm 0μm
L 329N 180N/μm -8μm
M 693N 235N/μm -15μm

Additional information

2.0 g/brg Recommended Grease Quantities

Mass

0.292 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_ACBB_RS_BER
NSK Product Type Super Precision Bearing
Designations 70BER19H

© NSK Ltd.

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