50TAC20F

Angular Contact Thrust Ball Bearings (NSKTAC F Series)

50TAC20F

Angular Contact Thrust Ball Bearings (NSKTAC F Series)

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

Designations

50TAC20F

Boundary Dimensions

d 50 mm Bore diameter
D 80 mm Outside diameter
T 38 mm Inner Ring Width
C 19 mm Outer Ring Width
r(min.) 1 mm Chamfer Dimension
r1(min.) 0.6 mm Chamfer Dimension

Basic Load Ratings

Ca 25.3 kN Basic Dynamic Load Rating
C0a 64.0 kN Basic Static Load Rating

Speeds

Grease 6900 min-1 Limiting Speed (EL-Preload)
Oil (Oil-air) 7700 min-1 Limiting Speed (EL-Preload)
Grease 5900 min-1 Limiting Speed (L-Preload)
Oil (Oil-air) 6600 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 62 mm Diameter of Shaft Abutment
Da 75 mm Diameter of Housing Abutment

Performance

Pa 10.5 kN Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 549N 530N/μm -5μm
L 2335N 876N/μm -15μm

Additional information

1.6 g/brg Recommended Grease Quantities

Holes Dimensions

W 8 mm Oil Groove Width
m 4 Number of Holes
L 3 mm Notch Width

Mass

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