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7938CSN24

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number
7938CSN24TRSULP4 Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7938CSN24TRSULP4

Boundary Dimensions

d 190 mm Bore diameter
D 260 mm Outside diameter
B 33 mm Width
r(min.) 2 mm Chamfer Dimension
r1(min.) 1 mm Chamfer Dimension

Basic Load Ratings

Cr 147 kN Basic Dynamic Load Rating
C0r 184 kN Basic Static Load Rating

Speeds

Grease 6300 min-1 Limiting Speed
Oil (Oil-air) 9700 min-1 Limiting Speed

Dimensions

C: 15° Contact Angle
a 46.6 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 200 mm Diameter of Shaft Abutment
Da(max.) 250 mm Diameter of Housing Abutment
Db(max.) 254 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 137 kN Permissible Axial Load

Calculation factors

f0 16.7 Factor

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 657N 187N/μm -12μm
L 1370N 252N/μm -25μm
M 3228N 368N/μm -49μm
H 6543N 518N/μm -79μm

Additional information

26 g/brg Recommended Grease Quantities

Mass

4.38 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_ACBB_ST_C
NSK Product Type Super Precision Bearing
Designations 7938CSN24

© NSK Ltd.

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