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7934A5

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number
7934A5TRSUHP3 Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7934A5TRSUHP3

Boundary Dimensions

d 170 mm Bore diameter
D 230 mm Outside diameter
B 28 mm Width
r(min.) 2 mm Chamfer Dimension
r1(min.) 1 mm Chamfer Dimension

Basic Load Ratings

Cr 112 kN Basic Dynamic Load Rating
C0r 140 kN Basic Static Load Rating

Speeds

Grease 4500 min-1 Limiting Speed
Oil (Oil-air) 7000 min-1 Limiting Speed

Dimensions

A5: 25° Contact Angle
a 60.6 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 180 mm Diameter of Shaft Abutment
Da(max.) 220 mm Diameter of Housing Abutment
Db(max.) 224 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 103 kN Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 812N 377N/μm -8μm
L 1564N 478N/μm -15μm
M 3553N 653N/μm -29μm
H 7173N 867N/μm -48μm

Additional information

16 g/brg Recommended Grease Quantities

Mass

3.36 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_ACBB_ST_A5
NSK Product Type Super Precision Bearing
Designations 7934A5

© NSK Ltd.

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