190TAC20D+L

Double-Direction Angular Contact Thrust Ball Bearings (NSKTAC D Series )

190TAC20D+L

Double-Direction Angular Contact Thrust Ball Bearings (NSKTAC D Series )

Grouped product items
Parts Number
190TAC20DMYPN7+LC6
190TAC20DMYPN7+LC7
190TAC20DMYPN7+LC8

Designations

190TAC20D+L

Boundary Dimensions

d 190 mm Bore diameter
D 290 mm Outside diameter
T 120 mm Inner Ring Width
C 60 mm Outer Ring Width
r(min.) 2.1 mm Chamfer Dimension
r1(min.) 1.1 mm Chamfer Dimension

Basic Load Ratings

Ca 360 kN Basic Dynamic Load Rating
C0a 1060 kN Basic Static Load Rating

Speeds

Grease 1900 min-1 Limiting Speed (C6-Preload)
Oil (Oil-air) 2100 min-1 Limiting Speed (C6-Preload)
Grease 1700 min-1 Limiting Speed (C7-Preload)
Oil (Oil-air) 1800 min-1 Limiting Speed (C7-Preload)
Grease 1400 min-1 Limiting Speed (C8-Preload)
Oil (Oil-air) 1500 min-1 Limiting Speed (C8-Preload)

Dimensions

60° Contact Angle

Abutment and Fillet Dimensions

ra(max.) 2 mm Radius of Shaft or Housing Fillet
rb(max.) 1 mm Radius of Shaft or Housing Fillet
da 230 mm Diameter of Shaft Abutment
Da 274 mm Diameter of Housing Abutment

Performance

Pa 659 kN Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
C6 3074N 1941N/μm -8μm
C7 7039N 2565N/μm -15μm
C8 18620N 3564N/μm -30μm

Additional information

118 g/brg Recommended Grease Quantities

Mass

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