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7018A

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number
7018ATYNSULP5 Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7018ATYNSULP5

Boundary Dimensions

d 90 mm Bore diameter
D 140 mm Outside diameter
B 24 mm Width
r(min.) 1.5 mm Chamfer Dimension
r1(min.) 1 mm Chamfer Dimension

Basic Load Ratings

Cr 68.5 kN Basic Dynamic Load Rating
C0r 63.5 kN Basic Static Load Rating

Speeds The limiting speeds of the ball guided cage is lower than the outer ring guided cage.

Grease 6600 min-1 Limiting Speed
Oil (Oil-air) 8500 min-1 Limiting Speed

Dimensions

A: 30° Contact Angle
a 45.2 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 99 mm Diameter of Shaft Abutment
Da(max.) 131 mm Diameter of Housing Abutment
Db(max.) 134 mm Diameter of Housing Abutment
ra(max.) 1.5 mm Radius of Shaft or Housing Fillet
rb(max.) 0.8 mm Radius of Shaft or Housing Fillet

Performance

Pa 40.5 kN Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 98N 176N/μm 0μm
L 782N 356N/μm -10μm
M 2483N 543N/μm -25μm
H 3977N 650N/μm -35μm

Additional information

6.2 g/brg Recommended Grease Quantities

Mass

1.18 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_ACBB_ST_A
NSK Product Type Super Precision Bearing
Designations 7018A

© NSK Ltd.

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