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7952C

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number
7952CTRSUMP3 Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7952CTRSUMP3

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 268 kN Basic Dynamic Load Rating
C0r 365 kN Basic Static Load Rating

Speeds

Grease 3400 min-1 Limiting Speed
Oil (Oil-air) 5400 min-1 Limiting Speed

Dimensions

C: 15° Contact Angle
a 64.5 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 350 kN Permissible Axial Load

Calculation factors

f0 16.6 Factor

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 1187N 215N/μm -24μm
L 2376N 285N/μm -43μm
M 5327N 409N/μm -77μm
H 10728N 575N/μm -121μm

Additional information

72 g/brg Recommended Grease Quantities

Mass

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

© NSK Ltd.

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