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7224C

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number
7224CTYNSUELP4 Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7224CTYNSUELP4

Boundary Dimensions

d 120 mm Bore diameter
D 215 mm Outside diameter
B 40 mm Width
r(min.) 2.1 mm Chamfer Dimension
r1(min.) 1.1 mm Chamfer Dimension

Basic Load Ratings

Cr 250 kN Basic Dynamic Load Rating
C0r 192 kN Basic Static Load Rating

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

Grease 6700 min-1 Limiting Speed
Oil (Oil-air) 8500 min-1 Limiting Speed

Dimensions

C: 15° Contact Angle
a 42.4 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 132 mm Diameter of Shaft Abutment
Da(max.) 203 mm Diameter of Housing Abutment
Db(max.) 208 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 132 kN Permissible Axial Load

Calculation factors

f0 14.6 Factor

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 690N 127N/μm -19μm
L 1395N 170N/μm -38μm
M 3212N 246N/μm -73μm
H 6371N 343N/μm -116μm

Additional information

29 g/brg Recommended Grease Quantities

Mass

5.42 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)
7224CTYNSUELP4 250 192 P4: ISO Class 4 6700 8500 5.42

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CAD
More Information
NSK Product Type2 SP_ACBB_ST_C
NSK Product Type Super Precision Bearing
Designations 7224C

© NSK Ltd.

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