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7948CSN24

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number
7948CSN24TRSULP4 Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7948CSN24TRSULP4

Boundary Dimensions

d 240 mm Bore diameter
D 320 mm Outside diameter
B 38 mm Width
r(min.) 2.1 mm Chamfer Dimension
r1(min.) 1.1 mm Chamfer Dimension

Basic Load Ratings

Cr 201 kN Basic Dynamic Load Rating
C0r 274 kN Basic Static Load Rating

Speeds

Grease 5000 min-1 Limiting Speed
Oil (Oil-air) 7800 min-1 Limiting Speed

Dimensions

C: 15° Contact Angle
a 56.5 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 252 mm Diameter of Shaft Abutment
Da(max.) 308 mm Diameter of Housing Abutment
Db(max.) 313 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 197 kN Permissible Axial Load

Calculation factors

f0 16.8 Factor

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 1004N 243N/μm -17μm
L 2072N 326N/μm -32μm
M 4769N 473N/μm -59μm
H 9589N 664N/μm -93μm

Additional information

41 g/brg Recommended Grease Quantities

Mass

7.29 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_ACBB_ST_C
NSK Product Type Super Precision Bearing
Designations 7948CSN24

© NSK Ltd.

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