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7952A5

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number
7952A5TRSULP4 Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7952A5TRSULP4

Boundary Dimensions

d 260 mm Bore diameter
D 360 mm Outside diameter
B 46 mm Width
r(min.) 2.1 mm Chamfer Dimension
r1(min.) 1.1 mm Chamfer Dimension

Basic Load Ratings

Cr 253 kN Basic Dynamic Load Rating
C0r 345 kN Basic Static Load Rating

Speeds

Grease 3000 min-1 Limiting Speed
Oil (Oil-air) 4600 min-1 Limiting Speed

Dimensions

A5: 25° Contact Angle
a 95.3 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 272 mm Diameter of Shaft Abutment
Da(max.) 348 mm Diameter of Housing Abutment
Db(max.) 353 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 255 kN Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 1901N 531N/μm -17μm
L 3888N 688N/μm -30μm
M 8783N 937N/μm -54μm
H 17498N 1237N/μm -86μm

Additional information

72 g/brg Recommended Grease Quantities

Mass

14 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_ACBB_ST_A5
NSK Product Type Super Precision Bearing
Designations 7952A5

© NSK Ltd.

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