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7034A5

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number
7034A5TRSUHP3 Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7034A5TRSUHP3

Boundary Dimensions

d 170 mm Bore diameter
D 260 mm Outside diameter
B 42 mm Width
r(min.) 2.1 mm Chamfer Dimension
r1(min.) 1.1 mm Chamfer Dimension

Basic Load Ratings

Cr 244 kN Basic Dynamic Load Rating
C0r 223 kN Basic Static Load Rating

Speeds

Grease 4200 min-1 Limiting Speed
Oil (Oil-air) 6600 min-1 Limiting Speed

Dimensions

A5: 25° Contact Angle
a 71.1 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 182 mm Diameter of Shaft Abutment
Da(max.) 248 mm Diameter of Housing Abutment
Db(max.) 253 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 168 kN Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 1292N 401N/μm -14μm
L 2555N 514N/μm -25μm
M 5927N 708N/μm -47μm
H 11666N 930N/μm -75μm

Additional information

40 g/brg Recommended Grease Quantities

Mass

7.83 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)
7034A5TRSUHP3 244 223 P3: Special class (ISO Class 4 dimensional tolerances and ISO Class 2 running accuracy.) 4200 6600 7.83

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CAD
More Information
NSK Product Type2 SP_ACBB_ST_A5
NSK Product Type Super Precision Bearing
Designations 7034A5

© NSK Ltd.

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