7920CSN24

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7920CSN24TRSULP5

Boundary Dimensions

d 100 mm Bore diameter
D 140 mm Outside diameter
B 20 mm Width
r(min.) 1.1 mm Chamfer Dimension
r1(min.) 0.6 mm Chamfer Dimension

Basic Load Ratings

Cr 50.5 kN Basic Dynamic Load Rating
C0r 52.0 kN Basic Static Load Rating

Speeds

Grease 12500 min-1 Limiting Speed
Oil (Oil-air) 19000 min-1 Limiting Speed

Dimensions

C: 15° Contact Angle
a 26.1 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 107 mm Diameter of Shaft Abutment
Da(max.) 133 mm Diameter of Housing Abutment
Db(max.) 135 mm Diameter of Housing Abutment
ra(max.) 1 mm Radius of Shaft or Housing Fillet
rb(max.) 0.6 mm Radius of Shaft or Housing Fillet

Performance

Pa 39.2 kN Permissible Axial Load

Calculation factors

f0 16.5 Factor

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 203N 95N/μm -5μm
L 427N 129N/μm -13μm
M 1026N 191N/μm -28μm
H 2057N 268N/μm -46μm

Additional information

4.6 g/brg Recommended Grease Quantities

Mass

0.702 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_ACBB_ST_C
NSK Product Type Super Precision Bearing
Designations 7920CSN24
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