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ROBUST Series Ultra High-Speed Angular Contact Ball Bearings
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Parts Number
Boundary Dimensions
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BER: 25° |
|
Bearing Type |
|
d
|
50 |
mm |
Bore diameter |
|
D
|
80 |
mm |
Outside diameter |
|
B
|
16 |
mm |
Width |
|
BN
|
3.4 |
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
|
14.7 |
kN |
Basic Dynamic Load Rating |
|
C0r
|
9.10 |
kN |
Basic Static Load Rating |
Speeds
The limiting speeds of the ball guided cage is lower than the outer ring guided cage.
|
Grease
|
19000 |
min-1 |
Limiting Speed |
|
Oil (Oil-air)
|
22000 |
min-1 |
Limiting Speed |
Dimensions
|
|
25° |
|
Contact Angle |
|
a
|
23.0 |
mm |
Effective Load Center |
Abutment and Fillet Dimensions
|
da(min.)
|
56 |
mm |
Diameter of Shaft Abutment |
|
Da(max.)
|
74 |
mm |
Diameter of Housing Abutment |
|
Db(max.)
|
75 |
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
Preload,Rigidity(DB and DF arrangement)
|
Preload |
Axial Rigidity |
Measured axial clearance |
| EL |
49N |
87N/μm |
0μm |
| L |
303N |
162N/μm |
-8μm |
| M |
633N |
213N/μm |
-15μm |
Additional information
Mass
|
|
Designations |
Basic Load Ratings |
Axial Internal Clearance |
Accuracy |
Limiting Speeds |
Mass |
Cr
|
C0r
|
|
min
|
max
|
Grease
(min-1) |
Oil (Oil-air)
(min-1) |
(kg) |
|
50BER10HTYNV1VSUHP4Y |
14.7 |
9.10 |
|
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P4Y: Special class (Special bore and outside diameter tolerances, others are ISO Class 4.) |
19000 |
22000 |
0.266 |
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More Information
| NSK Product Type2 |
SP_ACBB_RS_BER |
| NSK Product Type |
Super Precision Bearing |
| Designations |
50BER10H |
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