7944CSN24

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7944CSN24TRSUHP5

Boundary Dimensions

d 220 mm Bore diameter
D 300 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 191 kN Basic Dynamic Load Rating
C0r 246 kN Basic Static Load Rating

Speeds

Grease 5400 min-1 Limiting Speed
Oil (Oil-air) 8400 min-1 Limiting Speed

Dimensions

C: 15° Contact Angle
a 53.8 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 232 mm Diameter of Shaft Abutment
Da(max.) 288 mm Diameter of Housing Abutment
Db(max.) 293 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 178 kN Permissible Axial Load

Calculation factors

f0 16.7 Factor

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 941N 222N/μm -17μm
L 1918N 297N/μm -32μm
M 4374N 430N/μm -59μm
H 8755N 603N/μm -93μm

Additional information

39 g/brg Recommended Grease Quantities

Mass

6.58 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_ACBB_ST_C
NSK Product Type Super Precision Bearing
Designations 7944CSN24
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