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7930C

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number
7930CTRSULP5 Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7930CTRSULP5

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 122 kN Basic Static Load Rating

Speeds

Grease 6400 min-1 Limiting Speed
Oil (Oil-air) 9800 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 74.0 kN Permissible Axial Load

Calculation factors

f0 16.6 Factor

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 387N 123N/μm -7μm
L 825N 168N/μm -19μm
M 1969N 248N/μm -41μm
H 3990N 351N/μm -68μm

Additional information

13 g/brg Recommended Grease Quantities

Mass

2.96 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)
7930CTRSULP5 129 122 P5: ISO Class 5 6400 9800 2.96

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

© NSK Ltd.

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