NSK 55TAC20F
Angular Contact Thrust Ball Bearings (NSKTAC F Series)
(BRAND)：NSK
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Designations
55TAC20F
Boundary Dimensions
d
55
mm
Bore diameter
D
90
mm
Outside diameter
T
44
mm
Inner Ring Width
C
22
mm
Outer Ring Width
r(min.)
1.1
mm
Chamfer Dimension
r1(min.)
0.6
mm
Chamfer Dimension
Basic Load Ratings
Ca
31.5
kN
Basic Dynamic Load Rating
C0a
81.0
kN
Basic Static Load Rating
Speeds
Grease
6200
min-1
Limiting Speed (EL-Preload)
Oil (Oil-air)
6900
min-1
Limiting Speed (EL-Preload)
Grease
5300
min-1
Limiting Speed (L-Preload)
Oil (Oil-air)
5900
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
69
mm
Diameter of Shaft Abutment
Da
84
mm
Diameter of Housing Abutment
