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120BER10E

ROBUST Series Ultra High-Speed Angular Contact Ball Bearings
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Parts Number
120BER10ETSUMP4Y ROBUST Series Ultra High-Speed Angular Contact Ball Bearings
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Parts Number

120BER10ETSUMP4Y

Boundary Dimensions

BER: 25° Bearing Type
d 120 mm Bore diameter
D 180 mm Outside diameter
B 28 mm Width
r(min.) 2 mm Chamfer Dimension
r1(min.) 1 mm Chamfer Dimension

Basic Load Ratings

Cr 57.0 kN Basic Dynamic Load Rating
C0r 48.5 kN Basic Static Load Rating

Speeds

Grease 8000 min-1 Limiting Speed
Oil (Oil-air) 11400 min-1 Limiting Speed

Dimensions

25° Contact Angle
a 49.0 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 130 mm Diameter of Shaft Abutment
Da(max.) 170 mm Diameter of Housing Abutment
Db(max.) 174 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 86.0 kN Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 98N 143N/μm 0μm
L 983N 313N/μm -15μm
M 1973N 404N/μm -26μm

Additional information

9.1 g/brg Recommended Grease Quantities

Mass

2.29 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_ACBB_RS_BER
NSK Product Type Super Precision Bearing
Designations 120BER10E

© NSK Ltd.

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