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7910A5

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number
7910A5TRV1VSUELP5 Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7910A5TRV1VSUELP5

Boundary Dimensions

d 50 mm Bore diameter
D 72 mm Outside diameter
B 12 mm Width
r(min.) 0.6 mm Chamfer Dimension
r1(min.) 0.3 mm Chamfer Dimension

Basic Load Ratings

Cr 16.7 kN Basic Dynamic Load Rating
C0r 14.2 kN Basic Static Load Rating

Speeds

Grease 16400 min-1 Limiting Speed
Oil (Oil-air) 24600 min-1 Limiting Speed

Dimensions

A5: 25° Contact Angle
a 20.2 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 55 mm Diameter of Shaft Abutment
Da(max.) 67 mm Diameter of Housing Abutment
Db(max.) 69.5 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 11.0 kN Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 71N 94N/μm -1μm
L 154N 124N/μm -4μm
M 379N 175N/μm -10μm
H 791N 235N/μm -18μm

Additional information

0.84 g/brg Recommended Grease Quantities

Mass

0.132 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_ACBB_ST_A5
NSK Product Type Super Precision Bearing
Designations 7910A5

© NSK Ltd.

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