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7930CSN24

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number
7930CSN24TRSUELP3 Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7930CSN24TRSUELP3

Boundary Dimensions

d 150 mm Bore diameter
D 210 mm Outside diameter
B 28 mm Width
r(min.) 2 mm Chamfer Dimension
r1(min.) 1 mm Chamfer Dimension

Basic Load Ratings

Cr 129 kN Basic Dynamic Load Rating
C0r 117 kN Basic Static Load Rating

Speeds

Grease 8400 min-1 Limiting Speed
Oil (Oil-air) 12700 min-1 Limiting Speed

Dimensions

C: 15° Contact Angle
a 38.1 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 160 mm Diameter of Shaft Abutment
Da(max.) 200 mm Diameter of Housing Abutment
Db(max.) 204 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 87.9 kN Permissible Axial Load

Calculation factors

f0 16.6 Factor

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 411N 140N/μm -7μm
L 912N 193N/μm -19μm
M 2238N 288N/μm -41μm
H 4593N 410N/μm -68μm

Additional information

13 g/brg Recommended Grease Quantities

Mass

2.64 kg Mass(approx.)
Designations Basic Load Ratings Axial Internal Clearance Accuracy Limiting Speeds Mass
Cr
 C0r
 min
 max
 Grease
(min-1)		 Oil (Oil-air)
(min-1)
(kg)
7930CSN24TRSUELP3 129 117 P3: Special class (ISO Class 4 dimensional tolerances and ISO Class 2 running accuracy.) 8400 12700 2.64

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CAD
More Information
NSK Product Type2 SP_ACBB_ST_C
NSK Product Type Super Precision Bearing
Designations 7930CSN24

© NSK Ltd.

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