80TAC20F

Angular Contact Thrust Ball Bearings (NSKTAC F Series)

80TAC20F

Angular Contact Thrust Ball Bearings (NSKTAC F Series)

Images shown are representations. Designs and specifications may differ from actual products.

Designations

80TAC20F

Boundary Dimensions

d 80 mm Bore diameter
D 125 mm Outside diameter
T 54 mm Inner Ring Width
C 27 mm Outer Ring Width
r(min.) 1.1 mm Chamfer Dimension
r1(min.) 0.6 mm Chamfer Dimension

Basic Load Ratings

Ca 54.5 kN Basic Dynamic Load Rating
C0a 157 kN Basic Static Load Rating

Speeds

Grease 4400 min-1 Limiting Speed (EL-Preload)
Oil (Oil-air) 4900 min-1 Limiting Speed (EL-Preload)
Grease 3800 min-1 Limiting Speed (L-Preload)
Oil (Oil-air) 4200 min-1 Limiting Speed (L-Preload)

Dimensions

50° Contact Angle

Abutment and Fillet Dimensions

ra(max.) 1 mm Radius of Shaft or Housing Fillet
rb(max.) 0.6 mm Radius of Shaft or Housing Fillet
da 99 mm Diameter of Shaft Abutment
Da 117 mm Diameter of Housing Abutment

Performance

Pa 25.1 kN Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 806N 733N/μm -5μm
L 3236N 1181N/μm -15μm

Additional information

4.9 g/brg Recommended Grease Quantities

Holes Dimensions

W 12 mm Oil Groove Width
m 4 Number of Holes
L 5 mm Notch Width

Mass

1.01 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_ACTBB_TAC_F
NSK Product Type Super Precision Bearing
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