7912C

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7912CTRSUHP3

Boundary Dimensions

d 60 mm Bore diameter
D 85 mm Outside diameter
B 13 mm Width
r(min.) 1 mm Chamfer Dimension
r1(min.) 0.6 mm Chamfer Dimension

Basic Load Ratings

Cr 20.4 kN Basic Dynamic Load Rating
C0r 18.7 kN Basic Static Load Rating

Speeds

Grease 15900 min-1 Limiting Speed
Oil (Oil-air) 24200 min-1 Limiting Speed

Dimensions

C: 15° Contact Angle
a 16.2 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 66 mm Diameter of Shaft Abutment
Da(max.) 79 mm Diameter of Housing Abutment
Db(max.) 80 mm Diameter of Housing Abutment
ra(max.) 1 mm Radius of Shaft or Housing Fillet
rb(max.) 0.5 mm Radius of Shaft or Housing Fillet

Performance

Pa 11.5 kN Permissible Axial Load

Calculation factors

f0 16.5 Factor

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 60N 46N/μm -1μm
L 113N 60N/μm -5μm
M 305N 93N/μm -15μm
H 581N 128N/μm -25μm

Additional information

1.1 g/brg Recommended Grease Quantities

Mass

0.195 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_ACBB_ST_C
NSK Product Type Super Precision Bearing
Designations 7912C
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