85TAC20F

Angular Contact Thrust Ball Bearings (NSKTAC F Series)

85TAC20F

Angular Contact Thrust Ball Bearings (NSKTAC F Series)

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

Designations

85TAC20F

Boundary Dimensions

d 85 mm Bore diameter
D 130 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 55.5 kN Basic Dynamic Load Rating
C0a 164 kN Basic Static Load Rating

Speeds

Grease 4200 min-1 Limiting Speed (EL-Preload)
Oil (Oil-air) 4700 min-1 Limiting Speed (EL-Preload)
Grease 3600 min-1 Limiting Speed (L-Preload)
Oil (Oil-air) 4000 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 104 mm Diameter of Shaft Abutment
Da 122 mm Diameter of Housing Abutment

Performance

Pa 26.0 kN Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 829N 758N/μm -5μm
L 3348N 1225N/μm -15μm

Additional information

5.1 g/brg Recommended Grease Quantities

Holes Dimensions

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

Mass

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