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45BER20EV1V

ROBUST Series Ultra High-Speed Angular Contact Ball Bearings
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Parts Number
45BER20ETV1VSUMP4 ROBUST Series Ultra High-Speed Angular Contact Ball Bearings
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Parts Number

45BER20ETV1VSUMP4

Boundary Dimensions

BER: 25° Bearing Type
d 45 mm Bore diameter
D 75 mm Outside diameter
B 19 mm Width
r(min.) 1 mm Chamfer Dimension
r1(min.) 0.6 mm Chamfer Dimension

Basic Load Ratings

Cr 14.1 kN Basic Dynamic Load Rating
C0r 8.60 kN Basic Static Load Rating

Speeds

Grease 21500 min-1 Limiting Speed

Dimensions

25° Contact Angle
a 23.3 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 51 mm Diameter of Shaft Abutment
Da(max.) 69 mm Diameter of Housing Abutment
Db(max.) 70 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 15.0 kN Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 49N 73N/μm 0μm
L 255N 129N/μm -8μm
M 516N 168N/μm -15μm

Additional information

0.00 g/brg Recommended Grease Quantities

Mass

0.305 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_ACBB_RS_BER
NSK Product Type Super Precision Bearing
Designations 45BER20EV1V

© NSK Ltd.

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