240TAC20D+L

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

240TAC20D+L

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

Grouped product items
Parts Number
240TAC20DMYPN7+LC6
240TAC20DMYPN7+LC7
240TAC20DMYPN7+LC8

Designations

240TAC20D+L

Boundary Dimensions

d 240 mm Bore diameter
D 360 mm Outside diameter
T 144 mm Inner Ring Width
C 72 mm Outer Ring Width
r(min.) 3 mm Chamfer Dimension
r1(min.) 1.1 mm Chamfer Dimension

Basic Load Ratings

Ca 455 kN Basic Dynamic Load Rating
C0a 1450 kN Basic Static Load Rating

Speeds

Grease 1500 min-1 Limiting Speed (C6-Preload)
Oil (Oil-air) 1700 min-1 Limiting Speed (C6-Preload)
Grease 1300 min-1 Limiting Speed (C7-Preload)
Oil (Oil-air) 1500 min-1 Limiting Speed (C7-Preload)
Grease 1100 min-1 Limiting Speed (C8-Preload)
Oil (Oil-air) 1200 min-1 Limiting Speed (C8-Preload)

Dimensions

60° Contact Angle

Abutment and Fillet Dimensions

ra(max.) 2.5 mm Radius of Shaft or Housing Fillet
rb(max.) 1 mm Radius of Shaft or Housing Fillet
da 290 mm Diameter of Shaft Abutment
Da 341 mm Diameter of Housing Abutment

Performance

Pa 893 kN Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
C6 3345N 2133N/μm -8μm
C7 9161N 2993N/μm -17μm
C8 20465N 3927N/μm -30μm

Additional information

199 g/brg Recommended Grease Quantities

Mass

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