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45BER19H

ROBUST Series Ultra High-Speed Angular Contact Ball Bearings
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Parts Number
45BER19HTE34SUMP4+Y3 ROBUST Series Ultra High-Speed Angular Contact Ball Bearings
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Parts Number

45BER19HTE34SUMP4+Y3

Boundary Dimensions

BER: 25° Bearing Type
d 45 mm Bore diameter
D 68 mm Outside diameter
B 12 mm Width
BN 2.2 mm
SN 7.0 mm
SB 1.4 mm
r(min.) 0.6 mm Chamfer Dimension
r1(min.) 0.3 mm Chamfer Dimension

Basic Load Ratings

Cr 14.7 kN Basic Dynamic Load Rating
C0r 8.00 kN Basic Static Load Rating

Speeds

Grease 28400 min-1 Limiting Speed
Oil (Oil-air) 44300 min-1 Limiting Speed

Dimensions

25° Contact Angle
a 19.2 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 50 mm Diameter of Shaft Abutment
Da(max.) 63 mm Diameter of Housing Abutment
Db(max.) 65.5 mm Diameter of Housing Abutment
ra(max.) 0.6 mm Radius of Shaft or Housing Fillet
rb(max.) 0.3 mm Radius of Shaft or Housing Fillet

Performance

Pa 9.85 kN Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 49N 76N/μm 0μm
L 265N 136N/μm -8μm
M 539N 177N/μm -15μm

Additional information

0.77 g/brg Recommended Grease Quantities

Mass

0.111 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)
45BER19HTE34SUMP4+Y3 14.7 8.00 P4: ISO Class 4 28400 44300 0.111

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CAD
More Information
NSK Product Type2 SP_ACBB_RS_BER
NSK Product Type Super Precision Bearing
Designations 45BER19H

© NSK Ltd.

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