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140TAC20X+L

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

140TAC20X+L

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

Parts Number
140TAC20XMYPN7+LC8
main product photo

Parts Number

140TAC20XMYPN7+LC8

Boundary Dimensions

d 140 mm Bore diameter
D 210 mm Outside diameter
T 84 mm Inner Ring Width
C 42 mm Outer Ring Width
r(min.) 2 mm Chamfer Dimension
r1(min.) 1 mm Chamfer Dimension

Basic Load Ratings

Ca 183 kN Basic Dynamic Load Rating
C0a 525 kN Basic Static Load Rating

Speeds

Grease 2600 min-1 Limiting Speed (C6-Preload)
Oil (Oil-air) 2900 min-1 Limiting Speed (C6-Preload)
Grease 2300 min-1 Limiting Speed (C7-Preload)
Oil (Oil-air) 2500 min-1 Limiting Speed (C7-Preload)
Grease 1900 min-1 Limiting Speed (C8-Preload)
Oil (Oil-air) 2100 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 167 mm Diameter of Shaft Abutment
Da 198 mm Diameter of Housing Abutment

Performance

Pa 325 kN Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
C6 925N 1194N/μm -3μm
C7 3675N 1898N/μm -10μm
C8 9343N 2603N/μm -20μm

Additional information

41 g/brg Recommended Grease Quantities

Mass

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

© NSK Ltd.

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