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7218CSN24

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number
7218CSN24TRSUHP4Y Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7218CSN24TRSUHP4Y

Boundary Dimensions

d 90 mm Bore diameter
D 160 mm Outside diameter
B 30 mm Width
r(min.) 2 mm Chamfer Dimension
r1(min.) 1 mm Chamfer Dimension

Basic Load Ratings

Cr 154 kN Basic Dynamic Load Rating
C0r 100 kN Basic Static Load Rating

Speeds

Grease 12000 min-1 Limiting Speed
Oil (Oil-air) 18300 min-1 Limiting Speed

Dimensions

C: 15° Contact Angle
a 31.7 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 100 mm Diameter of Shaft Abutment
Da(max.) 150 mm Diameter of Housing Abutment
Db(max.) 154 mm Diameter of Housing Abutment
ra(max.) 2 mm Radius of Shaft or Housing Fillet
rb(max.) 1 mm Radius of Shaft or Housing Fillet

Performance

Pa 85.5 kN Permissible Axial Load

Calculation factors

f0 14.6 Factor

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 425N 109N/μm -15μm
L 872N 146N/μm -29μm
M 2150N 219N/μm -57μm
H 4316N 308N/μm -90μm

Additional information

12 g/brg Recommended Grease Quantities

Mass

1.80 kg Mass(approx.)
Designations Basic Load Ratings Axial Internal Clearance Accuracy Limiting Speeds Mass
Cr
 C0r
 min
 max
 Grease
(min-1)		 Oil (Oil-air)
(min-1)
(kg)
7218CSN24TRSUHP4Y 154 100 P4Y: Special class (Special bore and outside diameter tolerances, others are ISO Class 4.) 12000 18300 1.80

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CAD
More Information
NSK Product Type2 SP_ACBB_ST_C
NSK Product Type Super Precision Bearing
Designations 7218CSN24

© NSK Ltd.

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